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          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_InitialBusinessCombinationMember" xlink:label="rzlv_InitialBusinessCombinationMember"/>
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          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="us-gaap_FairValueByAssetClassAxis"/>
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          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsDisclosureTextBlock" xlink:label="us-gaap_CommitmentsDisclosureTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="us-gaap_TemporaryEquitySharesOutstanding"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_CapitalManagementAbstract" xlink:label="rzlv_CapitalManagementAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_IN" xlink:label="country_IN"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_ShortTermDebtFromRelatedParties" xlink:label="rzlv_ShortTermDebtFromRelatedParties"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockCompensationPlanMember" xlink:label="us-gaap_StockCompensationPlanMember"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_PercentageOfPaymentPremium" xlink:label="rzlv_PercentageOfPaymentPremium"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_RezolveWarrantsMember" xlink:label="rzlv_RezolveWarrantsMember"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromNotesPayable" xlink:label="us-gaap_ProceedsFromNotesPayable"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cyd/2024/cyd-2024.xsd#cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag"/>
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          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_PromissoryNoteFloorPriceTriggerMember" xlink:label="rzlv_PromissoryNoteFloorPriceTriggerMember"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_AdvisorDomain" xlink:label="rzlv_AdvisorDomain"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_RemunerationToKeyManagementPersonnel" xlink:label="rzlv_RemunerationToKeyManagementPersonnel"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="us-gaap_LiabilitiesFairValueDisclosure"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_BusinessCombinationSharesIssuableValueBasedOnMilestoneAchievement" xlink:label="rzlv_BusinessCombinationSharesIssuableValueBasedOnMilestoneAchievement"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_StockIssuedDescriptionAxis" xlink:label="rzlv_StockIssuedDescriptionAxis"/>
          <link:loc xlink:type="locator" xlink:href="rzlv-20250509.xsd#rzlv_DebtInstrumentDiscountAsAPercentageOfFaceValue" xlink:label="rzlv_DebtInstrumentDiscountAsAPercentageOfFaceValue"/>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other current and long-term liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Current and Long-term Liabilities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expenses And Other Non Operating Income Expense Net [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt current payable to related and non related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Current And Non Current Payable To Related And Non Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtCurrentAndNonCurrentPayableToRelatedAndNonRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board of Directors Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TenYearsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ten Years [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) in accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressesAddressTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Addresses, Address Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax benefit at statutory tax rates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected income tax recovery at 26.5%</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income tax benefit at statutory tax rates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Estimated increase decrease in revenue due to foreign currency fluctuation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimated Increase Decrease In Revenue Due To Foreign Currency Fluctuation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated increase decrease in revenue due to foreign currency fluctuation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sponsor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sponsor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sponsor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Sponsor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyBusinessDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party business development expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyBusinessDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Business Development Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyBusinessDevelopmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business development expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor loan northlands securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor Loan Northlands Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan - Northlands Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdamWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adam Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdamWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adam Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdamWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adam Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OfficeEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Office Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OfficeEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Office Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNumberOfInstallments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument number of installments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNumberOfInstallments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Number Of Installments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNumberOfInstallments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument number of installments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Convertible Debt Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Convertible Debt Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-deductible expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-deductible expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring and Nonrecurring [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive loss, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting Policies Line Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment Period Two Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment period two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitment Period 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liability measurement input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor loan issued for services Jvb Financial Group</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor loan issued for services Jvb Financial Group</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan issued for services - J.V.B. Financial Group (refer to note 7.7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtOtherPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt other payable to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtOtherPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Other Payable To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtOtherPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt to related party (refer to note 13)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtOtherPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentsForConsultancyGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payments for consultancy general and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentsForConsultancyGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payments For Consultancy General And Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentsForConsultancyGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments for consultancy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfSalesAndMarketingExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of sales and marketing expenses [Table Text Block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfSalesAndMarketingExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Sales And Marketing Expenses [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfSalesAndMarketingExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Sales and Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noncash Income (Expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Noncash Income (Expense), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other non cash expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NoticePeriodForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Required notice period for redemption of warrants by the company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NoticePeriodForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notice period for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NoticePeriodForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notice period for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock shares issuable upon demerger for every share in the previous company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Issuable Upon Demerger For Every Share In The Previous Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock shares issuable upon demerger for every share in the previous company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeePayableOnConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisory fee payable on consummation of business combination.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeePayableOnConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory Fee Payable On Consummation Of Business Combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeePayableOnConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory fee payable on consummation of business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maxim Group [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maxim Group.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maxim Group [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">January twenty five two thousand nineteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">January twenty five two thousand nineteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">January 25, 2019 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Temporary equity shares redeemed during the period value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity Shares Redeemed During the Period Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity shares redeemed during the period value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherFiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Finite-Lived Intangible Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherFiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">In development intangible asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Leases [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeasesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating leases as lessee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesAllocatedInExchangeForNonRedeemptionOfPublicShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares allocated in exchange for non redeemption of public shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesAllocatedInExchangeForNonRedeemptionOfPublicShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Shares Allocated in Exchange for Non Redeemption of Public Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesAllocatedInExchangeForNonRedeemptionOfPublicShares_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of shares allocated in exchange for non redeemption of public shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cost of goods and service excluding depreciation depletion and amortizations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost Of Goods And Service Excluding Depreciation Depletion and Amortizations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of revenue (see note 2.15)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cost of sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlueDotMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">BlueDot.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlueDotMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">BlueDot [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlueDotMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">BlueDot [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlueDotMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">BlueDot [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SalesForceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sales Force.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SalesForceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sales Force [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SalesForceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales Force [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Stock by Class [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IcrLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ICR LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IcrLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ICR LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IcrLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ICR LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NovemberThirteenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">November thirteen two thousand fourteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NovemberThirteenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">November Thirteen Two Thousand Fourteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NovemberThirteenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">November 13, 2014 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaAcquisitionCorpIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Armada Acquisition Corp I Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaAcquisitionCorpIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Armada Acquisition Corp I [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaAcquisitionCorpIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Armada Acquisition Corp I [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YaIiPnLtd.Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">YA II PN, ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YaIiPnLtd.Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">YA II PN, Ltd. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YaIiPnLtd.Member_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">YA II PN, Ltd. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Time limit from the date of consummation of business combination within which the shares shall be registered.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Limit From The Date Of Consummation Of Business Combination Within Which Shares Shall Be Registered</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time limit from the date of consummation of business combination within which the shares shall be registered</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor loan issued for services Northlands Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor loan issued for services Northlands Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesNorthlandsSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan issued for services - Northlands Securities (refer to note 7.7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period at nominal value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period At Nominal Value [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">DBLP Sea Cow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">DBLP Sea Cow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Other Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from rights issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award shares issued in period value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share based compensation arrangement by share based payment award shares issued in period value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments for consultancy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders' Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor Loan Cantor Fitzgerald.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor Loan Cantor Fitzgerald</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan - Cantor Fitzgerald</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ReimbursementPayablesForExpenseIncurredCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursement payables for expense incurred current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ReimbursementPayablesForExpenseIncurredCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursement Payables For Expense Incurred Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ReimbursementPayablesForExpenseIncurredCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reimbursement payables for expense incurred current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JulyTwentyFiveTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">July twenty five two thousand fifteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JulyTwentyFiveTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">July Twenty Five Two Thousand Fifteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JulyTwentyFiveTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">July 25, 2015 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestOnSettlementOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest on settlement of shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestOnSettlementOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest on Settlement of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestOnSettlementOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest on settlement of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Useful Life of Computer Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_BusinessContactMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Contact [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CapitalManagementDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital management disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CapitalManagementDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Management Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CapitalManagementDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital management</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recapitalization upon demerger value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recapitalization upon demerger value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recapitalization upon demerger of Rezolve Limited to Rezolve AI plc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Convertible Debt One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Convertible Debt One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_PresidentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">President [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistanceAmountCumulativeCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Government Assistance, Asset, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GovernmentAssistanceAmountCumulativeCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivable from government authorities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period at nominal value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period at Nominal Value [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary Shares Issued at Nominal Value in Lieu of Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemainingCapitalCommitmentFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining capital commitment facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemainingCapitalCommitmentFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Remaining capital commitment facility .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemainingCapitalCommitmentFacility_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Remaining Capital Commitment Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesIssuableInConnectionWithArmadaFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares issuable in connection with Armada fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesIssuableInConnectionWithArmadaFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of shares issuable in connection with Armada fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt maturity period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Maturity Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt maturity period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long term debt bearing fixed interest rate percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDefaultInterestRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt default interest rate percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDefaultInterestRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Default Interest Rate Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDefaultInterestRatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt default interest rate percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfOutstandingAmountToBeRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of outstanding amount to be repaid.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfOutstandingAmountToBeRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Outstanding Amount To Be Repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfOutstandingAmountToBeRepaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of outstanding amount to be repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date Range, End</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument final date of maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorOpinionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Opinion [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscriptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Subscriptions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscriptions_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock subscribed but not issued value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in current assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Changes in operating assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDiscountedCashFlowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Technique, Discounted Cash Flow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDiscountedCashFlowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Technique, Discounted Cash Flow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_ES_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SPAIN</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_ES_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SPAIN</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_TW_lbl" xlink:role="http://www.xbrl.org/2003/role/label">TAIWAN</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_TW_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TAIWAN</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Loans taken</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Convertible Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from convertible promissory loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Risk-free interest rate Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) in prepaid expense and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Prepaid expenses and deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value conversion of convertible promissory loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Conversion Of Convertible Promissory Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of convertible promissory loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TerminationOrClosingOfInitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Termination or closing of initial business combination.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TerminationOrClosingOfInitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Termination or Closing of Initial Business Combination [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TerminationOrClosingOfInitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Termination or Closing of Initial Business Combination [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Convertible Loan Note In Connection With Executed Subscription Agreements [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net current assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Current Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NetCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Negative working capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationImpactAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Impact [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationImpactAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss before recovery of income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loss before taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemainingContractualLivesOfOutstandingAndExercisableOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Remaining contractual lives of outstanding and exercisable options.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RemainingContractualLivesOfOutstandingAndExercisableOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Remaining contractual lives of outstanding and exercisable options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyThreeLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twenty Three Long Term Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyThreeLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023 LTIP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument convertible threshold percentage of stock price trigger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromShortTermDebtFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from short term debt from related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromShortTermDebtFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Short Term Debt From Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromShortTermDebtFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from short-term debt from related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WeightedAverageExercisePriceOfOutstandingAndExercisableOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average exercise price of outstanding and exercisable options.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WeightedAverageExercisePriceOfOutstandingAndExercisableOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted average exercise price of outstanding and exercisable options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentRegistrationStatement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Registration Statement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period at nominal value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period At Nominal Value [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This member stands for ordinary shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IgorLychagovMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Igor Lychagov [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IgorLychagovMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Igor Lychagov Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IgorLychagovMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Igor Lychagov [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BishopIrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bishop IR.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BishopIrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bishop IR [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BishopIrMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bishop IR [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalLiabilitiesUponTheClosingOfTheInitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional liabilities upon the closing of the initial business combination.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalLiabilitiesUponTheClosingOfTheInitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Liabilities Upon the Closing of the Initial Business Combination [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalLiabilitiesUponTheClosingOfTheInitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Liabilities Upon the Closing of the Initial Business Combination [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredUnderwritingCommissionExpired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of deferred underwriting commission expired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredUnderwritingCommissionExpired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred underwriting commission expired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredUnderwritingCommissionExpired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred underwriting commission expired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalCommitementOthers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument additional commitement others.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalCommitementOthers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Additional Commitement Others</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalCommitementOthers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument additional commitement others</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvesteeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvesteeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investee [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares upon acquisition value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Ordinary Shares Upon Acquisition Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares upon acquisition of Armada</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeeGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Professional fee general and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeeGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fee General And Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeeGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consultancy charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DerekSmithMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Derek Smith Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DerekSmithMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derek Smith [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantExercisablePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Period after business combination after which warrants are exercisable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantExercisablePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant exercisable period after business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantExercisablePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant exercisable period after business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityFairValueNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Fair Value, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityFairValueNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Securities, Held-to-Maturity, Fair Value, Noncurrent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityFairValueNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value as of September 30, 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsAdditionalAmountCommittedByInvestorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured convertible loan note in connection with executed subscription agreements additional amount committed by investors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsAdditionalAmountCommittedByInvestorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Convertible Loan Note In Connection With Executed Subscription Agreements Additional Amount Committed By Investors [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDescriptionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued Description [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SirDavidWrightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sir David Wright [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note non current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note Non Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total convertible promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Convertible promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLegalSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Legal Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLegalSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from case settlement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic net (loss) income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss per share, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment Timing Tranche One Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment Timing Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment Timing Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">April twenty eight two thousand eighteen.,</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April twenty eight two thousand eighteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyEightTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 28, 2018 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvancedSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advanced Subscription Agreement Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvancedSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advanced Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvancedSubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advanced Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EarlyBirdCapitalIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">EarlyBirdCapital, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EarlyBirdCapitalIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">EarlyBirdCapital, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CantorFitzgeraldMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cantor Fitzgerald.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CantorFitzgeraldMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cantor Fitzgerald [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Benefit and Share-Based Payment Arrangement, Noncash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee share based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensationNoncash_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share based compensation for employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selling and Marketing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cost of goods and services sold depreciation and amortizations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost Of Goods And Services Sold Depreciation And Amortizations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Depreciation and amortization expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DADavidsonAndCoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">D A Davidson And Co [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment tax credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Tax Credit [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-based payment expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConditionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condition [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Business Acquisitions, by Acquisition [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Net Liabilities Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, principal and interest outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsShortTermDebtToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred tax assets short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsShortTermDebtToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredTaxAssetsShortTermDebtToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares payable current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Payable Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares payable (7.2)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Ordinary Shares Payable Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnContractTermination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Contract Termination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnContractTermination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain loss related to contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Retained earnings accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Plan Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Number of options, Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Number of options, Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Options outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/label">UNITED STATES</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">UNITED STATES</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update and Change in Accounting Principle [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other General Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche Three Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tranche Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Threshold amount raised above which immediate repayment shall be made.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Threshold Amount Raised Above Which Immediate Repayment Shall Be Made</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Threshold amount raised above which immediate repayment shall be made</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt (7.3)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short term convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of prepayments and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of redemption premium.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfRedemptionPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of redemption premium</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCountry_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Country</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share options Vested and exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accumulated other comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalStockIssuedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Stock Issued [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalStockIssuedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Stock Issued [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxPeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S federal operating loss carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest payable current on short term debt current to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable Current On Short Term Debt Current To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest payable current on short term debt current to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, Plant and Equipment, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Standby equity purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Standby Equity Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StandbyEquityPurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Standby Equity Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Operating Activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Recurring [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Income and Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior secured term loan facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Secured Term Loan Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Secured Term Loan Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Convertible Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Other Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trade and other payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Stock Option [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee Stock Option</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfNotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Notes Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfNotesPayable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockDescriptionOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Description of Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockDescriptionOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of number of shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInLieuOfCashPaymentForServicesOrdinarySharesIssuedInLieuOfCashPaymentForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued in lieu of cash payment for servicesOrdinary shares issued in lieu of cash payment for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInLieuOfCashPaymentForServicesOrdinarySharesIssuedInLieuOfCashPaymentForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary shares issued in lieu of cash payment for servicesOrdinary shares issued in lieu of cash payment for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedInLieuOfCashPaymentForServicesOrdinarySharesIssuedInLieuOfCashPaymentForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued in lieu of cash payment for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesSettlementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares settlement shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesSettlementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Settlement Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesSettlementShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfSubscriptionLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in entirety of subscription liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfSubscriptionLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Entirety Of Subscription Liability [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfSubscriptionLiabilityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription Agreement Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GroupBy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GroupBy [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GroupByMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GroupBy [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Percentage Bearing Fixed Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtPercentageBearingFixedInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt bearing fixed interest rate percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of securities called by warrants or rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of The Senior Secured Convertible Note And Secured Convertible Loans [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt under troubled debt restructuring.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Under Troubled Debt Restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtUnderTroubledDebtRestructuring_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible debt under troubled debt restructuring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">April twenty two two thousand twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April twenty two two thousand twenty four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilTwentyTwoTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 22, 2024 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Depreciation on tangible and amortization of intangible assets other than goodwill.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation On Tangible And Amortization Of Intangible Assets Other Than Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TaylorWessingLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Taylor Wessing LLP.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TaylorWessingLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taylor Wessing LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TaylorWessingLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taylor Wessing LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee-related Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee related payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarketingAgreementFeePercentageForBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The marketing agreement fee related to Business Combination as a percentage of aggregate proceeds of IPO.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarketingAgreementFeePercentageForBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marketing agreement fee percentage for business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarketingAgreementFeePercentageForBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Marketing agreement fee percentage for business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidAdvanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepaid advance agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidAdvanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Advance Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidAdvanceAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid Advance Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Related Party Transactions, by Related Party [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Asset, Finite-Lived [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedules of Concentration of Risk, by Risk Factor [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Vendors Representing More Than 10% of Accounts Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Computer Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Computer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Computer Equipment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedPartyPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term convertible debt payable to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedPartyPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Convertible Debt Payable To Related Party Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedPartyPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term convertible debt payable to related party principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Risk free rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Compensation Share-Based Arrangements, Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payment liability (7.5)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-based payment liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Trading</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value as of September 30, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WeightedAveragePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update and Change in Accounting Principle [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recently issued and adopted accounting pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Voluntary Filers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAdditionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument face value additional amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAdditionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument face value additional amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAdditionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Face Value Additional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Current Income Tax Expense (Benefit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Federal Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">United Kingdom</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilThirtyTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">April thirty two thousand nineteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilThirtyTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">April thirty two thousand nineteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AprilThirtyTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">April 30, 2019 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdDateForConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Threshold date for consummation of business combination.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdDateForConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Threshold Date For Consummation Of Business Combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdDateForConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Threshold date for consummation of business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ThresholdDateForConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Threshold Date For Consummation Of Business Combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentsOfRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayments of rights issue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentsOfRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Rights Issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentsOfRightsIssue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments of rights issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Carrying Amount of Equity Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, promissory note, cash settlement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentShellCompanyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Shell Company Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Armada Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Armada Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArmadaWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Armada Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt And Other Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Voting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock voting rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument amount of interest foregone.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Amount Of Interest Foregone</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument amount of interest foregone</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income Tax Disclosure Line Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net loss and comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Allocation of net (loss) income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Net loss and comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued from exercise of share-options, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of share options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation to consultant, share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock issued during period, shares, issued for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recapitalization upon demerger shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recapitalization upon demerger shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RecapitalizationUponDemergerShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recapitalization upon demerger of Rezolve Limited to Rezolve AI plc, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting Policies Table</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Advisors loans (7.7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisors loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loans Payable, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeStart1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date Range, Start</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeStart1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument beginning date of maturity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Labor and Related Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee salaries and benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Financial Statement Error Correction [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March twenty seven two thousand seventeen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March twenty seven two thousand seventeen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 27, 2017 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and administrative expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">General and administrative expenses (including related party transactions of $68,413,399 and $4,830,987, see note 13)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Expense, Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteFromSponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Promissory note from sponsor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteFromSponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Note from Sponsor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteFromSponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Promissory note from sponsor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-operating income (expense), net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other non-operating expense, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Other non-operating expense, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LiquidityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Liquidity policy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LiquidityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liquidity [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LiquidityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liquidity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share based compensation by share based award vesting period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Liability [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialPublicOfferOrSpecialPurposeAcquisitionTransactionIfOccurredBeforeSixteenthOfDecemberTwoThousandAndTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Public Offer Or Special Purpose Acquisition Transaction If Occurred Before Sixteenth Of December Two Thousand And Twenty Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Unamortized Discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument unamortized discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Discount on convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payables and Accruals [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Additional Paid in Capital, Warrant Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants issued with loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmployeeSalariesAndBenefitsSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Employee salaries and benefits sales and marketing expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmployeeSalariesAndBenefitsSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee Salaries And Benefits Sales And Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmployeeSalariesAndBenefitsSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee salaries and benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor Loan issued for services Cantor Fitzgerald</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor Loan issued for services Cantor Fitzgerald</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanIssuedForServicesCantorFitzgerald_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan issued for services- Cantor Fitzgerald (refer to note 7.7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">All Award Types</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">All Award Types</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Prepaid expenses and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Vested and exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredUnderwritingCommissionPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of deferred underwriting commission payable at the time of an initial Business Combination if the underwriters' over-allotment is exercised in full.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredUnderwritingCommissionPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred underwriting commission payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DeferredUnderwritingCommissionPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred underwriting commission payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Risk-free interest rate Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashFeePercentageForTargetBusinessIntroductionInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of total consideration payable in proposed Business Combination to be paid as a cash fee if the representative introduces the Company to the target business with which the Company completes a Business Combination.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashFeePercentageForTargetBusinessIntroductionInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash fee percentage for target business introduction in business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashFeePercentageForTargetBusinessIntroductionInBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash fee percentage for target business introduction in business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset, Held-in-Trust, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldInTrustNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest-bearing demand deposit account</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Right of use assets and lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right Of Use Assets And Lease Liabilities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaymentsForTheDevelopmentOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payments for the development of intangible assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaymentsForTheDevelopmentOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments For The Development Of Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PaymentsForTheDevelopmentOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Development of intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueOfNotesIssuableUponDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument face value of notes issuable upon demerger.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueOfNotesIssuableUponDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Face Value Of Notes Issuable Upon Demerger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueOfNotesIssuableUponDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument face value of notes issuable upon demerger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common Stock, Shares, Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JaymaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Jaymax Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JaymaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Jaymax [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JaymaxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Jaymax [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment tax credit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Tax Credit [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ImpairmentOfLoanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Impairment of loans receivable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ImpairmentOfLoanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment Of Loan Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ImpairmentOfLoanReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment of loans receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">The income tax provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase Commitment, Remaining Minimum Amount Committed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Committed to spend under agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Benchmark [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Redemption Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock subject to possible redemption, redemption value per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquityRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Redemption price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiary, Ownership Percentage, Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Group shareholding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionAsAPercentageOfSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument conversion as a percentage of share price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionAsAPercentageOfSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion As A Percentage Of Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionAsAPercentageOfSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument conversion as a percentage of share price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PipeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PIPE [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MicrosoftCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Microsoft Corporation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MicrosoftCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Microsoft Corporation [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsidiaries [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsidiaries [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">GroupBy Group of Companies [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WilsonSonsiniGoodrichAndRosatiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Wilson Sonsini Goodrich&#160;&amp; Rosati.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WilsonSonsiniGoodrichAndRosatiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Wilson Sonsini Goodrich And Rosati [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WilsonSonsiniGoodrichAndRosatiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Wilson Sonsini Goodrich &amp; Rosati [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Equity Interest Issued or Issuable, Number of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares issued to acquire business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Business acquisition, shares issued / issuable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares forfeited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriters' over-allotment option expired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underwriters over-allotment option expired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfSharesForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of Shares Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtExtinguishmentCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Debt Extinguishment or Debt Prepayment Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtExtinguishmentCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument prepayments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Securities Trading Fair Value To Amortized Cost [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountDepositedIntoTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount deposited into trust account.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountDepositedIntoTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount Deposited Into Trust Account</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountDepositedIntoTrustAccount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount deposited into trust account</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConvertibleDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt and other liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAndOtherLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Other Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash and cash equivalents, end of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and cash equivalents, beginning of year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Related Commitment Fees and Debt Issuance Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument borrowing fee expensed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of independent directors.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of independent directors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfIndependentDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of independent directors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholders' deficit and reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPeriodicPaymentPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Periodic Payment, Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentPeriodicPaymentPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument periodic payment of principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Assets, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Extinguishment of Debt [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of (Gain)/loss on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Liability [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Financial Instruments, Liabilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Liability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Revenue Disaggregated by Geographical Market</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Selling and Marketing Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales and marketing expenses (including related party transactions of $1,011,119 and $2,072,224, see note 13)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LaLigaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">La Liga [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Maturity Analysis of Lease Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_ContactPersonnelEmailAddress_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contact Personnel Email Address</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_DirectorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Director [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award number of shares available for grant</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Presentation and Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of presentation and summary of significant accounting policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyTwoLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand And Twenty Two Long Term Incentive Plan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TwoThousandAndTwentyTwoLongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022 LTIP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award cost not yet recognized period for recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation employees shares restrictions lifted shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Employees Shares Restrictions Lifted Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation - employees shares restrictions lifted, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyTransactionProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction professional fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyTransactionProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction Professional Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyTransactionProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consulting fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment period one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment Period One Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitment Period 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of exchange rate changes on cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Deferred tax asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure for other current and long-term liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Current and Long-term Liabilities [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other current and long-term liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research and Development Expense, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Research and development credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Consecutive Trading Days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument consecutive trading days</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Location, Balance [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAndCapitalMarketsAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial and capital markets advisory fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAndCapitalMarketsAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial and capital markets advisory fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FinancialAndCapitalMarketsAdvisoryFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Armada fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LockInPeriodOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lock in period of shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LockInPeriodOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lock In Period Of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LockInPeriodOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lock in period of shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of warrant or right exercise period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Carrying Value as of September 30, 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLossNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Carrying Value as of September 30, 2022</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxPeriodAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Period [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in payables due to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToRelatedPartiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Due to Related Parties, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Foreign Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">India</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Foreign</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (Loss) from Continuing Operations before Income Taxes, Foreign</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred tax liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Deferred tax liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation by share based award options granted subject to additional vesting condition in addition to service period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation By Share Based Award Options Granted Subject To Additional Vesting Condition In Addition To Service Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award options granted subject to additional vesting condition in addition to service period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Recently issued and adopted accounting pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Attributable to Parent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorLocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">International rate differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">International rate differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationPriceOfAcquisitionExpected_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Price of Acquisition, Expected</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationPriceOfAcquisitionExpected_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Value of ordinary shares expected to issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermPurchaseCommitmentAmountPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long term purchase commitment amount paid.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermPurchaseCommitmentAmountPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Purchase Commitment Amount Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermPurchaseCommitmentAmountPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long term purchase commitment amount paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorsLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisors loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorsLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisors Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorsLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisors Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Time limit for the registration statement to become effective from the date of consummation of business combination.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Time Limit For The Registration Statement To Become Effective From The Date Of Consummation Of Business Combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Time limit for the registration statement to become effective from the date of consummation of business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Promissory Note Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Promissory Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation by share based award grants in period remaining contractual term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation By Share Based Award Grants In Period Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Remaining Contractual life Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Principal amount of notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate loaned amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument, face amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTaiwanLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Taiwan Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTaiwanLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Taiwan Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTaiwanLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Taiwan Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Restricted Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment to acquire restricted investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Remaining Contractual life Vested and exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current share value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RestatementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revision of Prior Period [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Charges, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred financing costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">January twenty five two thousand sixteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">January twenty five Two Thousand Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwentyFiveTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">January 25, 2016 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value conversion of advisors loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Conversion of Advisors Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of advisors loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalDefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional default shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalDefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Default Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalDefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Default Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Computer Software, Intangible Asset [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loss before income taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LossBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period at nominal value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodAtNominalValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period At Nominal Value [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermPurchaseCommitmentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment, Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermPurchaseCommitmentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase commitment, period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payment to related parties general and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payment To Related Parties General And Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share-Based Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award number of shares authorized for issuance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nonoperating Income (Expense).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non operating Income (Expenses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other expenses, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeriesAPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A preferred shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountPreviouslyReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument additional face amount previously received.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountPreviouslyReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Additional Face Amount Previously Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountPreviouslyReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument additional face amount previously received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Default shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Default Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DefaultSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Default Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense and Other Assets, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfUsefulLivesOfComputerSoftwareAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of useful lives of computer software assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfUsefulLivesOfComputerSoftwareAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Useful Lives Of Computer Software Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfUsefulLivesOfComputerSoftwareAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Initial Useful Life of Computer Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveMobileCommerceIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Mobile Commerce Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveMobileCommerceIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Mobile Commerce Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveMobileCommerceIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Mobile Commerce Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Right Of Use Assets And Lease Liabilities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right Of Use Assets And Lease Liabilities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommunicationsAndInformationTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Communications and Information Technology</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommunicationsAndInformationTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">IT expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Capital Issued at nominal value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock issued, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Net of Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Deferred tax asset, net of valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplierConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplierConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplier Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Stock Options Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued from exercise of share-options, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock issued from the exercise of stock options, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryEighteenTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February eighteen two thousand twenty two.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryEighteenTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February eighteen two thousand twenty two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryEighteenTwoThousandTwentyTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February 18, 2022 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation employees shares restrictions lifted value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share based compensation employees shares restrictions lifted value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation - employees shares restrictions lifted, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTimingOfRepaymentTrancheAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Timing Of Repayment Tranche Axis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTimingOfRepaymentTrancheAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Timing Of Repayment Tranche [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets, Finite-Lived, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance of Stock and Warrants for Services or Claims</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation issued to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNonConvertiblePortionOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument non convertible portion of debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNonConvertiblePortionOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Non Convertible Portion Of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentNonConvertiblePortionOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument non convertible portion of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondARYaAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second A&amp;R YA Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondARYaAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second A&amp;R YA Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SecondARYaAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second A&amp;R YA Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock Issued During Period Value Warrants Exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Warrants Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercised, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription liability.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionLiabilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Liability [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_HallumCapitalGroupLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hallum Capital Group LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLifted_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation employees shares restrictions lifted.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLifted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation Employees Shares Restrictions Lifted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLifted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation - employees shares restrictions lifted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased and Retired During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Representative shares returned to the Company, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwoTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">October two two thousand fifteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwoTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October Two Two Thousand Fifteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwoTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 02, 2015 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberFifteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">October fifteen two thousand twenty one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberFifteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October fifteen two thousand twenty one [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberFifteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 15, 2021 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximumTimePeriodForDefaultToBeRectified_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum time period for default to be rectified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximumTimePeriodForDefaultToBeRectified_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Time Period For Default To Be Rectified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MaximumTimePeriodForDefaultToBeRectified_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum time period for default to be rectified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, at Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentForDevelopmentOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payment for development of intangible asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentForDevelopmentOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payment For Development Of Intangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentForDevelopmentOfIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payment for development of intangible asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PolarMultiStrategyMasterFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Polar multi strategy master fund.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PolarMultiStrategyMasterFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Polar Multi Strategy Master Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PolarMultiStrategyMasterFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Polar Multi Strategy Master Fund [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustTwentySevenTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">August Twenty seven two thousand nineteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustTwentySevenTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">August Twenty seven two thousand nineteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustTwentySevenTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">August 27, 2019 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior secured convertible notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Secured Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeniorSecuredConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Secured Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtOneAndTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Convertible Debt One And Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnsecuredConvertibleDebtOneAndTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Convertible Debt One And Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share options Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share based compensation by share based award options granted during the period shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Number of options, Options issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Effective Date of Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective date of acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtRelatedAndNonRelatedPartiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Related And Non Related Parties [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtRelatedAndNonRelatedPartiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Debt Related And Non Related Parties [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketingAndAdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marketing and Advertising Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketingAndAdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advertisement and publicity expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AddressTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Address Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, Plant and Equipment, Gross, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromIssuanceOfCommonStockToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of common stock to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromIssuanceOfCommonStockToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Issuance Of Common Stock To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromIssuanceOfCommonStockToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of common stock to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of consolidation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFDICInsuredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, FDIC Insured Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFDICInsuredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash insured with federal deposit insurance corporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IndefiniteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DonnellyFinancialLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Donnelly Financial LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DonnellyFinancialLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Donnelly Financial LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans, Notes, Trade and Other Receivables Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FounderShares1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Founder Shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FounderShares1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Founder Shares 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of share option activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Related Party Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Repayment of related party debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Operating Loss Carryforwards [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">The Company and its subsidiaries are liable to income taxes in their respective jurisdiction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestBearingDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest-Bearing Deposits [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestBearingDepositsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest bearing demand deposit account [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Segments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consideration paid received percentage of market capitalization minimum.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consideration Paid Received Percentage Of Market Capitalization Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration paid received percentage of market capitalization minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash and cash equivalents threshold amount below which debt may be converted into equity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Cash Equivalents Threshold Amount Below Which Debt May Be Converted Into Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents threshold amount below which debt may be converted into equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Share Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business acquisition, share price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Exercise Price of Warrants or Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Foreign Currency Transaction, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unrealized foreign exchange (gain)/loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Unsecured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of unsecured debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Convertible promissory notes taken</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_GB_lbl" xlink:role="http://www.xbrl.org/2003/role/label">UNITED KINGDOM</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_GB_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">UNITED KINGDOM</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneFifteenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June fifteen two thousand sixteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneFifteenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June fifteen two thousand sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneFifteenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 15, 2017 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Investing Activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Date from which Warrants or Rights Exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentArrangementFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument arrangement fee.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentArrangementFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument arrangement fee</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Category of Item Purchased [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EntityIncorporationCountryOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Entity incorporation country of iIncorporation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EntityIncorporationCountryOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation Country Of Incorporation</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer, Excluding Assessed Tax</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesUnderRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares under rights issue.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberFifteenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">December fifteen two thousand sixteen.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsNoteDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Note Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAccountingStandard_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Accounting Standard</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfAdvisorsLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of advisors loans, shares</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of representative</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares issued to related parties, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation by share based award options granted subject to additional vesting condition in addition to service period term of vesting.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation By Share Based Award Options Granted Subject To Additional Vesting Condition In Addition To Service Period Term Of Vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award options granted subject to additional vesting condition in addition to service period term of vesting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument conversion price percentage.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument conversion price percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Intangible assets, net</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class A [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class A Common Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ICFR Auditor Attestation Flag</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Payable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commitment period three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitment period Three Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommitmentPeriodThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitment Period 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTimingOfRepaymentTrancheDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Timing Of Repayment Tranche Domain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentTimingOfRepaymentTrancheDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Timing Of Repayment Tranche [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Threshold Trading Days</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DirectorRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Director remuneration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DirectorRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Director Remuneration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DirectorRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Director remuneration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayFiveTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May five two thousand twenty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayFiveTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May five two thousand twenty three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayFiveTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 05, 2023 [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Securities Trading Fair Value To Amortized Cost [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Trading debt securities gross unrealized loss.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Debt Securities Gross Unrealized Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDebtSecuritiesGrossUnrealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gross Unrealized Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonRedemptionAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-redemption&#160;agreements.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NonRedemptionAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non Redemption Agreements [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sale of restricted investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfRestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from sale of restricted investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued expenses and other payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Provision for income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Components of Deferred Tax Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Tax Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total shareholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_HCWainwrightCoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">H.C. Wainwright &amp; Co., LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_HCWainwrightCoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">H.C. Wainwright &amp; Co., LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_HCWainwrightCoLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">H.C. Wainwright &amp; Co., LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeeForIPOAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of advisory fee for Initial Public Offering if underwriters' option is not exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeeForIPOAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory fee for IPO amount if underwriters' option is not exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeeForIPOAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory fee for IPO amount if underwriters' option is not exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedInterestPayableConvertedToPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued interest payable converted to principal.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedInterestPayableConvertedToPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Interest Payable Converted To Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AccruedInterestPayableConvertedToPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest payable converted to principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_ContactPersonnelName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contact Personnel Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Yorkville [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Yorkville [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">YA [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YorkvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Yorkville Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RegisteredOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Registered Offering.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RegisteredOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Registered Offering [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RegisteredOfferingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Registered Offering [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Right of use assets and lease liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RightOfUseAssetsAndLeaseLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right Of Use Assets And Lease Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfRightOfUseAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of right of use assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfRightOfUseAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Right Of Use Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfRightOfUseAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of right of use assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment tax credit disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Tax Credit Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Tax Credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred tax assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InducedConversionOfConvertibleDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Induced Conversion of Convertible Debt Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InducedConversionOfConvertibleDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt conversion expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class of warrants or rights excercised during the period shares issued.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Warrants Or Rights Exercised During The Period Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of warrants or rights excercised during the period shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfEmployeeShareForThePurposesOfEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of employee share for the purposes of estimate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfEmployeeShareForThePurposesOfEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Employee Share For The Purposes Of Estimate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FairValueOfEmployeeShareForThePurposesOfEstimate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value per employee share for the purposes of estimate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrants outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additional notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdditionalNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ApeironInvestmentGroupLtsAndBradleyWickensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Apeiron Investment Group Lts and Bradley Wickens.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ApeironInvestmentGroupLtsAndBradleyWickensMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Apeiron Investment Group Lts and Bradley Wickens [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-based Payment Arrangement [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-Based Compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Convertible, Conversion Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan conversion price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPayablesToRelatedPartyCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other payables to related party current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPayablesToRelatedPartyCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Payables To Related Party Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPayablesToRelatedPartyCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to related party (refer to note 13)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPayablesToRelatedPartyCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Due to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Conversion Into Equity Tranche Two Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Into Equity Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument Conversion Into Equity Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Financial Instruments, Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expenses and other non operating income expense net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expenses And Other Non Operating Income Expense Net [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidExpensesAndOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Prepaid expenses and other current assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidExpensesAndOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expenses and other Current Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PrepaidExpensesAndOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayments and other current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Expertise of Management Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nature of Operations [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Nature of Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AnthonySharpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Anthony Sharp [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AnthonySharpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Anthony Sharp [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt due to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Due To Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtDueToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term debt to related parties (7.1)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Professional fees sales and marketing expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fees Sales And Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProfessionalFeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consultancy charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayThirtyOneTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May thirty one two thousand eighteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayThirtyOneTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May thirty one two thousand eighteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MayThirtyOneTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 31, 2018 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value Vested and exercisable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award cost not yet recognized amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Leases [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AllocatedShareBasedCompensationInTheAbsenceOfRestriction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Allocated share based compensation in the absence of restriction.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AllocatedShareBasedCompensationInTheAbsenceOfRestriction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allocated Share Based Compensation In The Absence Of Restriction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AllocatedShareBasedCompensationInTheAbsenceOfRestriction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allocated share based compensation had there been no restriction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of expiration of unused tax losses for which no deferred tax assets recognised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Expiration of Unused Tax Losses For Which No Deferred Tax Assets Recognised [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Unused Non-capital Income Tax Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveChinaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve China [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from long-term debt obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total non-current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total&#160;non-current&#160;assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Concentration risk percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Conversion of Convertible Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of senior secured convertible notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Employee share-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Redemption price of warrants per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants redemption price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants redemption price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recurring Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Derivative Instruments, Net, Pretax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain/(loss) on derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Derivative Instruments, Net, Pretax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected volatility Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Current Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Current Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SuccessFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Success fee payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SuccessFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Success Fee Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SuccessFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Success fee payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other commitement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend payment rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected dividend yield</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends, Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend on common stock declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value by Liability Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Acquiree [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtConvertibleIntoEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term debt convertible into equity member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtConvertibleIntoEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Convertible Into Equity [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtConvertibleIntoEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt to related party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Formation and operating costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfDaysWithinWhichInvestorShallContributeCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of days within which investor shall contribute capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfDaysWithinWhichInvestorShallContributeCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Days Within Which Investor Shall Contribute Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NumberOfDaysWithinWhichInvestorShallContributeCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of days within which investor shall contribute capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of debt securities trading fair value to amortized cost [Table text block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Securities Trading Fair Value To Amortized Cost [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Summary of fair value measurements with carrying value approximating fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialPublicOfferOrSpecialPurposeAcquistionTransactionIfOccurredAfterSixteenthOfDecemberTwoThousandAndTwentyTwoAndBeforeSixteenthOfJuneTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Public Offer Or Special Purpose Acquistion Transaction If Occurred After Sixteenth Of December Two Thousand And Twenty Two And Before Sixteenth Of June Two Thousand And Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Lived Tangible Asset [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Issued for Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued in lieu of cash payment for services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less&#8212;Accumulated depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfIncreaseDecreaseOfForeignCurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of increase decrease of foreign currency.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfIncreaseDecreaseOfForeignCurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Increase Decrease Of Foreign Currency</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfIncreaseDecreaseOfForeignCurrency_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of increase decrease of foreign currency</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of outstanding balances as on reporting date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Outstanding Balances As On Reporting Date [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Outstanding balances as at reporting date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award weighted average fair value of options granted during the period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average fair value per common share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Other Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromOtherDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from other debts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Stock, Shares Converted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares of common stock transferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConversionOfStockSharesConverted1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Conversion of Stock, Shares Converted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeptemberFourteenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">September fourteen two Thousand Eighteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeptemberFourteenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">September fourteen two Thousand Eighteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SeptemberFourteenTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">September 14, 2018 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DanielWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Daniel Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DanielWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Daniel Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities and shareholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and stockholders' deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneSeventeenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June seventeen two thousand fourteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneSeventeenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June Seventeen Two Thousand Fourteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneSeventeenTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 17, 2014 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAndBorrowingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument face value and borrowing fee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAndBorrowingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Face Value And Borrowing Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentFaceValueAndBorrowingFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument face value and borrowing fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain/(loss) on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Extinguishment of Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loss on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loss on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Prepaid expenses and deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted net (loss) income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net loss per share, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Ex Transition Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Voting Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of votes each shareholder is entitled to for each share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockVotingRights_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock voting rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MiscellaneousAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Miscellaneous accrued liabilities current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MiscellaneousAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Miscellaneous Accrued Liabilities Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MiscellaneousAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in entirety of expenses and other non operating income expense [Text Block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Entirety Of Expenses And Other Non Operating Income Expense [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses and other non-operating income/(expense), net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Derivative Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDerivativeAssetsAndLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gain on derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherNonOperatingIncomes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other non operating income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherNonOperatingIncomes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Non Operating Incomes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherNonOperatingIncomes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherNonOperatingIncomes_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Investing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash (used in) investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvesteeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investee.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvesteeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investee [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwelveTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">October twelve two thousand twenty one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwelveTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">October twelve two thousand twenty one [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OctoberTwelveTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">October 12, 2021 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forecast [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forecast [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustThirtyOneTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">August thirty one two thousand twenty.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustThirtyOneTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">August thirty one two thousand twenty [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AugustThirtyOneTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">August 31, 2020 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Instrument Conversion Into Equity Tranche One Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Into Equity Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionIntoEquityTrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument Conversion Into Equity Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of advisory fee for Business Combination if underwriters' option is not exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory fee for business combination amount if underwriters' option is not exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Advisory fee for business combination amount if underwriters' option is not exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySixTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June twenty six two thousand twenty.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySixTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June twenty six two thousand twenty [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySixTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 26, 2020 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt conversion, Converted instrument, Shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March twenty seven two thousand fifteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Twenty Seven Two Thousand Fifteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentySevenTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 27, 2015 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of The Senior Secured Convertible Note And Secured Convertible Loans [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DBoralCapitalLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">D Boral Capital LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DBoralCapitalLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">D Boral Capital LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DBoralCapitalLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">D. Boral Capital LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Property, Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PP&amp;E</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory notes (7.6)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationForConsultancyServices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation for consultancy services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationForConsultancyServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation for Consultancy Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationForConsultancyServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-Based Payment Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationForConsultancyServices_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Share based compensation for consultancy services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsDerivativeInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Derivative Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsDerivativeInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation arrangement by share based payment award options exercisable at liquidity event.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share based Compensation Arrangement By Share based Payment Award Options exercisable at Liquidity Event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Options exercisable at Liquidity Event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharePricePerShareForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The minimum common stock share price per share for a specified period for redemption of warrants by the company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharePricePerShareForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock share price per share for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockSharePricePerShareForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock share price per share for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award aggregate fair value of options vested during the period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArthurYaoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Arthur Yao [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ArthurYaoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Arthur Yao [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YANotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">YA notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YANotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">YA Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_YANotes_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">YA notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConditionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Condition [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LegalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LegalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal and professional expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Debt, Excluding Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebtExcludingAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFeeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Fee Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFeeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of borrowing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory fee paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Other Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentOutstandingIncludingBorrowingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument outstanding including accrued borrowing fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentOutstandingIncludingBorrowingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Outstanding Including Borrowing Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentOutstandingIncludingBorrowingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument outstanding including borrowing fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscribedButUnissued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Subscribed but Unissued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesSubscribedButUnissued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock subscribed but not issued shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologySLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Technology S.L.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologySLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Technology SL [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologySLMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Technology S.L. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CapitalMarketAdvisoryFeeForBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of capital market advisory fee for Business Combination.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CapitalMarketAdvisoryFeeForBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital market advisory fee for business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CapitalMarketAdvisoryFeeForBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital market advisory fee for business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other promissory notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherPromissoryNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Promissory Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible Notes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnderwritingDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The underwriting discount as a percentage of gross proceeds of the IPO.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnderwritingDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriting discount percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnderwritingDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underwriting discount percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAccruedInterestConvertedIntoPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument accrued interest converted into principal.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAccruedInterestConvertedIntoPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Accrued Interest Converted Into Principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAccruedInterestConvertedIntoPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument accrued interest converted into principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Reportable Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reporatble segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NorthlandSecuritiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Northland Securities, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NorthlandSecuritiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Northland Securities, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_NorthlandSecuritiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Northland Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountCapitalizedToAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount capitalized to accumulated deficit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountCapitalizedToAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amount Capitalized To Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmountCapitalizedToAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount capitalized to accumulated deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromMergerWithArmada_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from merger with armada.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromMergerWithArmada_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Merger with Armada</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ProceedsFromMergerWithArmada_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from merger with Armada</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Market value of common stock share per share below which triggers adjustment of warrant exercise price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock market value per share below which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock market value per share below which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term convertible debt payable to related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short term convertible debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short term convertible debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Short term convertible debt to related party (7.4)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermConvertibleDebtPayableToRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short term convertible debt to related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long term debt date after which the amount may be converted into shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Date After Which The Amount May Be Converted Into Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long term debt date after which the amount may be converted into shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic Weighted-average shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUnderRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period value under rights issue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUnderRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value Under Rights Issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodValueUnderRightsIssue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued under the rights issue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPrincipalAndInterestConvertedIntoEquityDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument principal and interest converted into equity discount percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPrincipalAndInterestConvertedIntoEquityDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Principal And Interest Converted Into Equity Discount Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPrincipalAndInterestConvertedIntoEquityDiscountPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument principal and interest converted into equity discount percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Emerging growth company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Emerging Growth Company [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Date of Acquisition Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of acquisition agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleLoanFromRelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible loan from related party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleLoanFromRelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Loan from Related Party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleLoanFromRelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible loan from related party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Equity Method Investments [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected volatility Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Notes Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated Useful Life of Property Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeBeforeIncomeTaxDomesticAndForeignLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Before Income Tax Domestic And Foreign [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Proceeds from issuance of ordinary shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarketingAgreementFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of marketing agreement fee for Business Combination if underwriters' option is not exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarketingAgreementFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marketing agreement fee for business combination amount if underwriters' option is not exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarketingAgreementFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Marketing agreement fee for business combination amount if underwriters' option is not exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of the senior secured convertible note and secured convertible loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of The Senior Secured Convertible Note And Secured Convertible Loans [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of the senior secured convertible note and secured convertible loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsIncreaseDecreaseFromForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized tax benefits increase decrease from foreign currency translation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsIncreaseDecreaseFromForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Increase Decrease From Foreign Currency Translation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsIncreaseDecreaseFromForeignCurrencyTranslation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Unsecured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convertible promissory notes repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of debt securities held to maturity one amortized cost to fair value [Table Text Block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Securities Held To Maturity One Amortized Cost To Fair Value [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of debt securities held to maturity one amortized cost to fair value one</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average exercise price, Options issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Remaining Contractual life Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Remaining life (years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net (Loss) Income Per Common Stock</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment, Category of Item Purchased [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized tax benefits return to provision based on tax return.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Return to provision based on tax return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Return to provision (based on tax return)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Policy [Policy Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">General and Administrative Expenses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StatementOfComplianceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Statement of compliance</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of ordinary shares upon acquisition.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IssuanceOfOrdinarySharesUponAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of ordinary shares upon acquisition of Armada, shares</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepaymentTimingTrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment Timing Tranche Two Member</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income Tax Disclosure Table</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfCurrentAndDeferredIncomeTaxExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of current and deferred income tax expense.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payment liability.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentLiabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Based Payment Liability [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Acquisition</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SalmanAhmadMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Salman Ahmad [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Summary of Share Options</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term purchase commitment, amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitment amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions based on tax positions related to current year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Liabilities and Shareholder's deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologyIndiaPrivatelimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Technology (India) Private Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologyIndiaPrivatelimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Technology India PrivateLimited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveTechnologyIndiaPrivatelimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Technology (India) Private Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party convertible debt holding minimum for restriction on extraordinary transactions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Convertible Debt Holding Minimum For Restriction On Extraordinary Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party convertible debt holding minimum for restriction on extraordinary transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosure of noncash investing and financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Supplemental disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income tax reconciliation non deductible or non taxable foreign exchange results.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Reconciliation Non Deductible Or Non Taxable Foreign Exchange Results</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-deductible or non-taxable foreign currency exchange results</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Non-deductible or non-taxable foreign currency exchange results</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Remaining Contractual life Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche Axis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SummaryOfEstimatedUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of estimated useful life of property plant and equipment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SummaryOfEstimatedUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Estimated Useful Life Of Property Plant And Equipment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SummaryOfEstimatedUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Estimated Useful Life of Property Plant and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected term exercise</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, Shares Authorized</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net change in cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">December twenty seven two thousand seventeen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">December twenty seven two thousand seventeen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwentySevenTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">December 27, 2017 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Temporary equity shares redeemed during the period shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity Shares Redeemed During the Period Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity shares redeemed during the period share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Temporary equity shares redeemed during the period shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeBeforeIncomeTaxDomesticAndForeignTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Before Income Tax Domestic And Foreign [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Term</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payment liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February two thousand and twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDebtSecuritiesGrossUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Trading debt securities gross unrealized gains.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDebtSecuritiesGrossUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Debt Securities Gross Unrealized Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDebtSecuritiesGrossUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gross Unrealized Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Method Investments [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToEmployeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation to employees sales and marketing expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToEmployeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation To Employees Sales And Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToEmployeesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments to employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, Date of Incorporation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of incorporation</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantCashlessExercisePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant cashless exercise period after business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_WarrantCashlessExercisePeriodAfterBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant cashless exercise period after business combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares issued, price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Volatility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_KPMGLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">KPMG LLP.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_KPMGLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">KPMG LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_KPMGLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">KPMG LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentyOneTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March 21, 2016 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentyOneTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March twenty one two thousand sixteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwentyOneTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Twenty One Two Thousand Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DLAPipeLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">DLA Pipe LLP.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DLAPipeLLPMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">DLA Pipe LLP [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesOtherThanPayablesToRelatedPartiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease in accounts payable and accrued liabilities other than payables to related parties current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesOtherThanPayablesToRelatedPartiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease In Accounts Payable And Accrued Liabilities Other Than Payables To Related Parties Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesOtherThanPayablesToRelatedPartiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in accounts payable, accrued expenses and other payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction, Amounts of Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related party transaction, amounts of transaction monthly fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Fair Value Measurement at Reporting Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Development</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business development expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Accrued Expenses and Other Payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesAllocatedBySponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share allocated by sponsor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesAllocatedBySponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Allocated By Sponsor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SharesAllocatedBySponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shared allocated by sponsor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue from Contract with Customer [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BrooksNewmarkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Brooks Newmark.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BrooksNewmarkMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Brooks Newmark [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Summary of Commitments to Purchase Eligible Services and Offerings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JohnWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">John Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JohnWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">John Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JohnWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">John Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAvailableEquityProceedsBelowSpecifiedPriceWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of equity proceeds available for funding of initial Business Combination where issue price of common stock share issue per share is below a specified level to trigger adjustment of warrant exercise price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAvailableEquityProceedsBelowSpecifiedPriceWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of available equity proceeds below specified price which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAvailableEquityProceedsBelowSpecifiedPriceWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of available equity proceeds below specified price which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other General and Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Series A shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A shares, Pound sterling 0.0001 nominal value 4,575,983 shares issued, authorized and outstanding as of December 31, 2023 (refer to note 2.19)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesSubjectToRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Temporary equity shares subject to redemption.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesSubjectToRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity Shares Subject To Redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TemporaryEquitySharesSubjectToRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Temporary equity shares subject to redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share options Cancelled/Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Number of share options Cancelled/Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less-Accumulated amortization for Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in our unrecognized tax benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">January two thousand and twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">January Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JanuaryTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">January Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cost of Goods and Service [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostOfSalesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfDebtInstrumentAndOtherLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in entirety of debt instrument and other liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfDebtInstrumentAndOtherLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Entirety Of Debt Instrument And Other Liabilities [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInEntiretyOfDebtInstrumentAndOtherLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Trading, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Value as of September 30, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total current liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impairment of assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other current and long-term liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Current and Long-term Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlackScholesMertonOptionPricingModelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Black Scholes Merton Option Pricing Model [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BlackScholesMertonOptionPricingModelMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Black Scholes Merton Option Pricing Model [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The specified window of trading days during which common stock price must exceed a stated minimum for redemption of warrants by the company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading days specified window for minimum common stock price for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading days specified window for minimum common stock price for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expected income tax recovery, Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory federal income tax rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Statutory tax rate percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Purchase Commitment, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermPurchaseCommitmentDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase commitment, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Conversion of Convertible Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercise to purchase common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares issued on conversion of senior secured convertible notes, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AgreementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AgreementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agreement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve AI.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve AI [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve AI [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of representative shares, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares issued to related parties, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed current liabilities promissory note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Promissory Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt (promissory notes)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt (promissory notes)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JVBFinancialGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">J.V.B Financial Group.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JVBFinancialGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">J.V.B Financial Group [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JVBFinancialGroupMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">J.V.B Financial Group [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DblpSeaCowLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">DBLP Sea Cow Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Warrant Exercises</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from exercise of warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Event of default interest rate increase</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Components of loss (income) before income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument converted into principal and amount of interest foregone.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Converted Into Principal And Amount Of Interest Foregone</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument converted into principal and amount of interest foregone</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Held-to-Maturity Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Issuance Costs, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt issuance costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TaxLossesPreviouslyCreatedWillBeDissolvedOnDemergerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Losses Previously Created Will Be Dissolved On Demerger [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Deferred Tax Assets and Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant portions of our deferred tax assets and liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertibleDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">In Process Research and Development [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">In-development Intangible Asset [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruarySixteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February sixteen two thousand twenty one.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruarySixteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February sixteen two thousand twenty one [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FebruarySixteenTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February 16, 2021 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription Agreement Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription Agreement Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation gain/(loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreign currency translation gain (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Stated Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, interest rate, stated percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated deficit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Over-Allotment Option [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Property, Plant, and Equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Nonoperating Income (Expense) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Non-operating income (expenses), net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ManagementRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Management remuneration.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ManagementRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Remuneration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ManagementRemuneration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management remuneration</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of general and administrative expenses [Table Text Block].</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of General And Administrative Expenses [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of General and Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAggregateGrossProceedsOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate gross proceeds offering.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAggregateGrossProceedsOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Aggregate Gross Proceeds Offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfAggregateGrossProceedsOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate gross proceeds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche Two Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tranche Two [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesDerivatives_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Derivative asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche One Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tranche One [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StevePerryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Steve Perry [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StevePerryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Steve Perry [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Security, Excluded EPS Calculation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmendedAndRestatedBusinessCombinationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended and Restated Business Combination Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AmendedAndRestatedBusinessCombinationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended and Restated Business Combination Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted- Average Exercise Price Cancelled/Forfeited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AuditorFirmId_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Auditor Firm ID</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMonthlyPaymentsOnOriginalPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of monthly payments on original principal.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMonthlyPaymentsOnOriginalPrincipal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of monthly payments on original principal</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RichardBurchillMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Richard Burchill [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RichardBurchillMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Richard Burchill [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment tax credit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InvestmentTaxCreditTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Tax Credit [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate Intrinsic Value Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExtensionNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Extension note .</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ExtensionNoteMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extension Note [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteSubscriptionsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note, Subscriptions Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteSubscriptionsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Subscription Receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteSubscriptionsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Share subscription receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based compensation to related parties sales and marketing expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Compensation To Related Parties Sales And Marketing Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments to related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable and accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Accounts payable and accrued expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Well-known Seasoned Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UncertainTaxPositionRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Uncertain tax position recognized.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UncertainTaxPositionRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Uncertain tax position recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translation and transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesFromStockholderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables from Stockholder [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesFromStockholderMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share subscription receivable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net loss to net cash (used in) operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Adjustments to reconcile net loss to net cash (used in) operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subscription agreement liability current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subscription Agreement Liability Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subscription agreement liability, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SubscriptionAgreementLiabilityCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Subscription agreements liability, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAndOtherLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt And Other Liabilities Table</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtAndOtherLiabilitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt And Other Liabilities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeePercentageForIntitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The fee for consulting and advisory services related to IPO as a percentage of aggregate proceeds of IPO.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeePercentageForIntitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory fee percentage for initial public offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisoryFeePercentageForIntitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory fee percentage for initial public offering</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Location, Balance [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepresentativeSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Representative Shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepresentativeSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Representative Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RepresentativeSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Representative Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SauvikBanerjjeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sauvik Banerjjee [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SauvikBanerjjeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sauvik Banerjjee [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnderwritingCommissionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of underwriting commissions incurred during the period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnderwritingCommissionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriting commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnderwritingCommissionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underwriting commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValueAddedTaxReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Value Added Tax Receivable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValueAddedTaxReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Input tax credit receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValueAddedTaxReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Input tax credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMarketValueForWarrantExercisePriceAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The percentage of Market Value for warrant exercise price adjustment under specified conditions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMarketValueForWarrantExercisePriceAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Market Value for warrant exercise price adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfMarketValueForWarrantExercisePriceAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of Market Value for warrant exercise price adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation of Revenue [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">December two thousand and twenty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">December Two Thousand And Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DecemberTwoThousandAndTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">December Two Thousand And Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalLoanAmountToBeBorrowed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument additional loan amount to be borrowed.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalLoanAmountToBeBorrowed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Additional Loan Amount To Be Borrowed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalLoanAmountToBeBorrowed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument additional loan amount to be borrowed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DanWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dan Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DanWagnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dan Wagner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of Individual [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note description.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of convertible promissory notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySevenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June twenty seven two thousand sixteen.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySevenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June Twenty Seven Two Thousand Sixteen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_JuneTwentySevenTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 27, 2016 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebtAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebtAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Gain)/loss on extinguishment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Domestic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (Loss) from Continuing Operations before Income Taxes, Domestic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock, $0.0001 par value; 100,000,000 shares authorized at 5,709,500 and 6,834,500 shares issued and outstanding at March 31, 2022 and September 30, 2021, respectively (excluding 15,000,000 shares subject to possible redemption at March 31, 2022 and September 30, 2021)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares, Pound Sterling 0.0001 nominal value 208,260,754 shares issued and outstanding as of December 31, 2024; 152,262,295 shares issued and outstanding as of December 31, 2023; 256,365,817 and 161,710,480 shares authorized as of December 31, 2024 and 2023 (refer to note 2.19)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryLoanNote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Promissory loan note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryLoanNote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Promissory Loan Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PromissoryLoanNote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Promissory loan Note</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseOnAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase decrease on additional paid in capital.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseOnAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase Decrease On Additional Paid In Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncreaseDecreaseOnAdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reduction on additional paid in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AgreementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AgreementDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Agreement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeterVescoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Peter Vesco [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeterVescoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Peter Vesco [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherLoansBorrowedFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other loans borrowed from related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherLoansBorrowedFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Loans Borrowed From Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherLoansBorrowedFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Taken</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected Amortization Expense for Software Over Remaining Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_SauvikBanerjeeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sauvik Banerjee [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed current liabilities accumulated deficit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accumulated Deficit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The period of trading days to determine fair market value of common stock for warrant exercise.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period of trading days to determine fair market value of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period of trading days to determine fair market value of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income (Expense) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other (expense) income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible promissory note.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ConvertiblePromissoryNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Promissory Note [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tranche Domain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_TrancheDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tranche [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March two thousand and twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MarchTwoThousandAndTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">March Two Thousand And Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments (refer to note 16)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash paid for taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income taxes paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share based payment to employees general and administrative expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Based Payment To Employees General And Administrative Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based payments to employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted Weighted-average shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedComputerSoftwareGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capitalized Computer Software, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalizedComputerSoftwareGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, after Allowance for Credit Loss, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivables from related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts Receivable, after Allowance for Credit Loss, Current, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of share options Vested and expected to vest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure in tabular form of debt instrument and other liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure In Tabular Form Of Debt Instrument And Other Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Short-Term Debt and Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MinimumPercentageOfOwnershipForConsolidation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum percentage of ownership for consolidation.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MinimumPercentageOfOwnershipForConsolidation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Percentage Of Ownership For Consolidation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_MinimumPercentageOfOwnershipForConsolidation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum percentage of ownership for consolidation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Third Party Engaged [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsEffectOfIncomeTaxRateChanges_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized tax benefits effect of income tax rate changes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsEffectOfIncomeTaxRateChanges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Effect Of Income Tax Rate Changes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsEffectOfIncomeTaxRateChanges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of rate changes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedAtNominalValueInLieuOfServices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ordinary shares issued at nominal value in lieu of services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedAtNominalValueInLieuOfServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ordinary Shares Issued at Nominal Value in Lieu of Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OrdinarySharesIssuedAtNominalValueInLieuOfServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued at nominal value in lieu of services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StatementOfComplianceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Statement of compliance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StatementOfComplianceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement Of Compliance [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIIPHoldingLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve AI IP Holding Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveAIIPHoldingLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve AI IP Holding Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income loss before continuing operations before income taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Loss Before Continuing Operations Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Loss Before Continuing Operations Before Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The period of trading days within a specified window during which common stock price must exceed a stated minimum for redemption of warrants by the company.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period of trading days within specified window for minimum common stock price for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period of trading days within specified window for minimum common stock price for warrants redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Operating Loss Carryforwards, Domestic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss and other carryforwards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Issued for Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesIssuedForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued in lieu of cash payment for services, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPenaltyFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument penalty fee percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPenaltyFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Penalty Fee Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentPenaltyFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument penalty fee percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective issue price of common stock share per share below which triggers adjustment of warrant exercise price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock issue price per share below which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issue price per share below which triggers warrant adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note, Stock Split, Conversion Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock split conversion ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePerShareFloorPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument conversion price per share floor price.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePerShareFloorPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Price Per Share Floor Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPricePerShareFloorPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument conversion price per share floor price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Treasury Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">U.S. Treasury Bills [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign exchange loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign exchange gain/(loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss), Foreign Currency Transaction, before Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Foreign exchange gain/(loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Unrealized foreign exchange (gain)/loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesAndExciseTaxPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sales and Excise Tax Payable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesAndExciseTaxPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Excise tax payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesAndExciseTaxPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">VAT, duty and excise tax liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsIssuedDuringThePeriodNewIssuesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class of warrants or rights issued during the period new issues shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsIssuedDuringThePeriodNewIssuesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Warrants Or Rights Issued During The Period New Issues Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ClassOfWarrantsOrRightsIssuedDuringThePeriodNewIssuesShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of warrants or rights issued during the period new issues shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplier [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FounderSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Founder Shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_FounderSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Founder Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net liabilities acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net liabilities acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GoogleCloudEMEALtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Google Cloud EMEA Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GoogleCloudEMEALtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Google Cloud EMEA Ltd [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_GoogleCloudEMEALtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Google [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Nonoperating Income and Expense [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Non-operating (income)/ expenses, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisor loan Jvb Financial Group.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisor loan Jvb Financial Group</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_AdvisorLoanJvbFinancialGroup_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisor loan - J.V.B. Financial Group</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other current and long-term liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_OtherCurrentAndLongTermLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Current and Long-term Liabilities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial business combination.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Business Combination [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_InitialBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Business Combination [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Financing Activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Weighted average exercise price, Ending balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Weighted average exercise price, Beginning balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share based compensation by share based award options excercised during the period weighted average exercise price</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares warrants exercised.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Warrants Exercised</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesWarrantsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants exercised, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Discount (Premium)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt discount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Amortization of Debt Discount (Premium), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ResearchAndDevelopmentTaxCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Research and development tax credit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ResearchAndDevelopmentTaxCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Research And Development Tax Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ResearchAndDevelopmentTaxCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">R&amp;D credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ResearchAndDevelopmentTaxCredit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">R&amp;D credits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByAssetClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument conversion price as a percentage of volume weighted average price percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Conversion Price As A Percentage Of Volume Weighted Average Price Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument conversion price as a percentage of volume weighted average price percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock issued during period shares conversion of convertible promissory loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares Conversion of Convertible Promissory Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares issued on conversion of convertible promissory loans, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsTaxLossesLostOnDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrecognized tax benefits tax losses lost on demerger.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsTaxLossesLostOnDemerger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax BenefitsTax losses lost on demerger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_UnrecognizedTaxBenefitsTaxLossesLostOnDemerger_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Tax losses lost on demerger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument additional face amount from related party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Additional Face Amount From Related Party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument additional face amount amount from related party</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Valuation Allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Valuation allowance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Temporary Equity, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares subject to redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TemporaryEquitySharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares of common stock subject to possible redemption</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CapitalManagementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital management.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_CapitalManagementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Management [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_IN_lbl" xlink:role="http://www.xbrl.org/2003/role/label">INDIA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_IN_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">INDIA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term debt from related parties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-term Debt from Related Parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_ShortTermDebtFromRelatedParties_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term debt from related parties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfPaymentPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of payment premium.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfPaymentPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Payment Premium</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_PercentageOfPaymentPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of payment premium</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rezolve Warrants.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rezolve Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rzlv_RezolveWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rezolve Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in valuation allowance</link:label>
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  <xsd:element id="rzlv_StockIssuedDescriptionAxis" name="StockIssuedDescriptionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PaymentsForTheDevelopmentOfIntangibleAssets" name="PaymentsForTheDevelopmentOfIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTable" name="ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DecemberTwentySevenTwoThousandSeventeenMember" name="DecemberTwentySevenTwoThousandSeventeenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentFaceValueAndBorrowingFee" name="DebtInstrumentFaceValueAndBorrowingFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_GroupByMember" name="GroupByMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ImpairmentOfLoanReceivable" name="ImpairmentOfLoanReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DerekSmithMember" name="DerekSmithMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JanuaryTwentyFiveTwoThousandSixteenMember" name="JanuaryTwentyFiveTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JuneSeventeenTwoThousandFourteenMember" name="JuneSeventeenTwoThousandFourteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveMobileCommerceIncMember" name="RezolveMobileCommerceIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment" name="CommonStockIssuePricePerShareBelowWhichTriggersWarrantAdjustment" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PolarMultiStrategyMasterFundMember" name="PolarMultiStrategyMasterFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtAndOtherLiabilitiesTable" name="DebtAndOtherLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfRedemptionPremium" name="PercentageOfRedemptionPremium" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsMember" name="SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AmortizationExpense" name="AmortizationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_OtherCurrentAndLongTermLiabilitiesTable" name="OtherCurrentAndLongTermLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTable" name="DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations" name="CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortizations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AdvisoryFeeForIPOAmountIfUnderwritersOptionIsNotExercised" name="AdvisoryFeeForIPOAmountIfUnderwritersOptionIsNotExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DebtInstrumentPenaltyFeePercentage" name="DebtInstrumentPenaltyFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUponAcquisitionValue" name="IssuanceOfOrdinarySharesUponAcquisitionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AdvisorLoanIssuedForServicesCantorFitzgerald" name="AdvisorLoanIssuedForServicesCantorFitzgerald" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DeferredTaxAssetsShortTermDebtToRelatedParty" name="DeferredTaxAssetsShortTermDebtToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShortTermDebtConvertibleIntoEquityMember" name="ShortTermDebtConvertibleIntoEquityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RecapitalizationUponDemergerShares" name="RecapitalizationUponDemergerShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OtherCurrentAndLongTermLiabilitiesTextBlock" name="OtherCurrentAndLongTermLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AmountDepositedIntoTrustAccount" name="AmountDepositedIntoTrustAccount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodAtNominalValueAbstract" name="StockIssuedDuringPeriodAtNominalValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodValueWarrantsExercised" name="StockIssuedDuringPeriodValueWarrantsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AccruedInterestPayableConvertedToPrincipal" name="AccruedInterestPayableConvertedToPrincipal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AgreementAxis" name="AgreementAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriodValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_CommitmentPeriodThreeMember" name="CommitmentPeriodThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StatementOfComplianceAbstract" name="StatementOfComplianceAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NumberOfSharesIssuableInConnectionWithArmadaFee" name="NumberOfSharesIssuableInConnectionWithArmadaFee" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AdditionalDefaultSharesMember" name="AdditionalDefaultSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertibleDebtMaturityPeriod" name="ConvertibleDebtMaturityPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentConversionIntoEquityTrancheOneMember" name="DebtInstrumentConversionIntoEquityTrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SirDavidWrightMember" name="SirDavidWrightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes" name="IncomeLossBeforeContinuingOperationsBeforeIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AmendedAndRestatedBusinessCombinationAgreementMember" name="AmendedAndRestatedBusinessCombinationAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InitialBusinessCombinationMember" name="InitialBusinessCombinationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RecapitalizationUponDemergerValue" name="RecapitalizationUponDemergerValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_BrooksNewmarkMember" name="BrooksNewmarkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansLineItems" name="ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod" name="ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MicrosoftCorporationMember" name="MicrosoftCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults" name="IncomeTaxReconciliationNonDeductibleOrNonTaxableForeignExchangeResults" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_LossBeforeIncomeTaxes" name="LossBeforeIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IndefiniteMember" name="IndefiniteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InvestmentTaxCreditTable" name="InvestmentTaxCreditTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JulyTwentyFiveTwoThousandFifteenMember" name="JulyTwentyFiveTwoThousandFifteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered" name="TimeLimitFromTheDateOfConsummationOfBusinessCombinationWithinWhichSharesShallBeRegistered" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShortTermDebtDueToRelatedParty" name="ShortTermDebtDueToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_FebruaryTwoThousandAndTwentyFourMember" name="FebruaryTwoThousandAndTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedInLieuOfCashPaymentForServicesOrdinarySharesIssuedInLieuOfCashPaymentForServices" name="OrdinarySharesIssuedInLieuOfCashPaymentForServicesOrdinarySharesIssuedInLieuOfCashPaymentForServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_PromissoryNoteMember" name="PromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SeptemberFourteenTwoThousandEighteenMember" name="SeptemberFourteenTwoThousandEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdvisorLoanIssuedForServicesNorthlandsSecurities" name="AdvisorLoanIssuedForServicesNorthlandsSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_LongTermPurchaseCommitmentAmountPaid" name="LongTermPurchaseCommitmentAmountPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AdvisorsLoansMember" name="AdvisorsLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InitialNotesMember" name="InitialNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DBoralCapitalLLCMember" name="DBoralCapitalLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock" name="ScheduleOfExpirationOfUnusedTaxLossesForWhichNoDeferredTaxAssetsRecognisedTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNote" name="ConvertiblePromissoryNote" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DebtInstrumentAdditionalFaceAmountFromRelatedParty" name="DebtInstrumentAdditionalFaceAmountFromRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DeferredTaxAssetConvertibleDebt" name="DeferredTaxAssetConvertibleDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAtLiquidityEvent" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SauvikBanerjjeeMember" name="SauvikBanerjjeeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions" name="RelatedPartyConvertibleDebtHoldingMinimumForRestrictionOnExtraordinaryTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_OctoberTwelveTwoThousandTwentyOneMember" name="OctoberTwelveTwoThousandTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JuneFifteenTwoThousandSixteenMember" name="JuneFifteenTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill" name="DepreciationOnTangibleAndAmortizationOfIntangibleAssetsOtherThanGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodAtNominalValueTable" name="StockIssuedDuringPeriodAtNominalValueTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PromissoryLoanNote" name="PromissoryLoanNote" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock" name="DisclosureInTabularFormOfDebtInstrumentAndOtherLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting" name="ShareBasedCompensationByShareBasedAwardOptionsGrantedSubjectToAdditionalVestingConditionInAdditionToServicePeriodTermOfVesting" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SalesForceMember" name="SalesForceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EmergingGrowthCompanyPolicyTextBlock" name="EmergingGrowthCompanyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ConditionAxis" name="ConditionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsAdditionalAmountCommittedByInvestorsMember" name="SecuredConvertibleLoanNoteInConnectionWithExecutedSubscriptionAgreementsAdditionalAmountCommittedByInvestorsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CommonStockSharePricePerShareForWarrantsRedemption" name="CommonStockSharePricePerShareForWarrantsRedemption" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetAbstract" name="ExpensesAndOtherNonOperatingIncomeExpenseNetAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveAIMember" name="RezolveAIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PromissoryNoteFloorPriceTriggerMember" name="PromissoryNoteFloorPriceTriggerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdamWagnerMember" name="AdamWagnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ArthurYaoMember" name="ArthurYaoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TrancheTwoMember" name="TrancheTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SeniorSecuredTermLoanFacilityMember" name="SeniorSecuredTermLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ProceedsFromIssuanceOfCommonStockToRelatedParty" name="ProceedsFromIssuanceOfCommonStockToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RemainingCapitalCommitmentFacility" name="RemainingCapitalCommitmentFacility" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_CapitalMarketAdvisoryFeeForBusinessCombination" name="CapitalMarketAdvisoryFeeForBusinessCombination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_LiquidityPolicyTextBlock" name="LiquidityPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentNumberOfInstallments" name="DebtInstrumentNumberOfInstallments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_IssuanceOfOrdinarySharesUponAcquisition" name="IssuanceOfOrdinarySharesUponAcquisition" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RezolveWarrantsMember" name="RezolveWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ArmadaWarrantsMember" name="ArmadaWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveChinaMember" name="RezolveChinaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CapitalManagementDisclosureTextBlock" name="CapitalManagementDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_JuneTwentySevenTwoThousandSixteenMember" name="JuneTwentySevenTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubscriptionLiabilityTable" name="SubscriptionLiabilityTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentConversionAsAPercentageOfSharePrice" name="DebtInstrumentConversionAsAPercentageOfSharePrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OtherCurrentAndLongTermLiabilitiesAbstract" name="OtherCurrentAndLongTermLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AgreementDomain" name="AgreementDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnderwritingDiscountPercentage" name="UnderwritingDiscountPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption" name="PeriodOfTradingDaysWithinSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RezolveAIIPHoldingLimitedMember" name="RezolveAIIPHoldingLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubscriptionLiabilityAbstract" name="SubscriptionLiabilityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_WarrantsRedemptionPricePerShare" name="WarrantsRedemptionPricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_WarrantExercisablePeriodAfterBusinessCombination" name="WarrantExercisablePeriodAfterBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedCompensationToEmployeesSalesAndMarketingExpenses" name="ShareBasedCompensationToEmployeesSalesAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodShares" name="TemporaryEquitySharesRedeemedDuringThePeriodShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_TemporaryEquitySharesRedeemedDuringThePeriodValue" name="TemporaryEquitySharesRedeemedDuringThePeriodValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RepaymentsOfRightsIssue" name="RepaymentsOfRightsIssue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm" name="ShareBasedCompensationByShareBasedAwardGrantsInPeriodRemainingContractualTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodValueConversionOfAdvisorsLoans" name="StockIssuedDuringPeriodValueConversionOfAdvisorsLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ConvertibleDebtLineItems" name="ConvertibleDebtLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DanielWagnerMember" name="DanielWagnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdvisorLoanCantorFitzgerald" name="AdvisorLoanCantorFitzgerald" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_UnsecuredConvertibleDebtOneMember" name="UnsecuredConvertibleDebtOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfOutstandingAmountToBeRepaid" name="PercentageOfOutstandingAmountToBeRepaid" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade" name="ThresholdAmountRaisedAboveWhichImmediateRepaymentShallBeMade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_OctoberFifteenTwoThousandTwentyOneMember" name="OctoberFifteenTwoThousandTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FebruaryEighteenTwoThousandTwentyTwoMember" name="FebruaryEighteenTwoThousandTwentyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdvisorMember" name="AdvisorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeTaxDisclosureTable" name="IncomeTaxDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnderwritingCommissionCosts" name="UnderwritingCommissionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_FounderShares1Member" name="FounderShares1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CantorFitzgeraldMember" name="CantorFitzgeraldMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentConversionPricePerShareFloorPrice" name="DebtInstrumentConversionPricePerShareFloorPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PromissoryNoteFromSponsor" name="PromissoryNoteFromSponsor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IncreaseDecreaseOnAdditionalPaidInCapital" name="IncreaseDecreaseOnAdditionalPaidInCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ConvertibleDebtTable" name="ConvertibleDebtTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DLAPipeLLPMember" name="DLAPipeLLPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TenYearsMember" name="TenYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDescriptionDomain" name="StockIssuedDescriptionDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InvestmentTaxCreditAbstract" name="InvestmentTaxCreditAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentArrangementFee" name="DebtInstrumentArrangementFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination" name="TimeLimitForTheRegistrationStatementToBecomeEffectiveFromTheDateOfConsummationOfBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DirectorRemuneration" name="DirectorRemuneration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone" name="DebtInstrumentConvertedIntoPrincipalAndAmountOfInterestForegone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AprilThirtyTwoThousandNineteenMember" name="AprilThirtyTwoThousandNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_EmployeeSalariesAndBenefitsSalesAndMarketingExpenses" name="EmployeeSalariesAndBenefitsSalesAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_MaximGroupMember" name="MaximGroupMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NoticePeriodForWarrantsRedemption" name="NoticePeriodForWarrantsRedemption" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DeferredUnderwritingCommissionExpired" name="DeferredUnderwritingCommissionExpired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses" name="ShareBasedPaymentToEmployeesGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AprilTwentyTwoTwoThousandTwentyFourMember" name="AprilTwentyTwoTwoThousandTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_FinancialAndCapitalMarketsAdvisoryFee" name="FinancialAndCapitalMarketsAdvisoryFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLifted" name="ShareBasedCompensationEmployeesSharesRestrictionsLifted" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodSharesUnderRightsIssue" name="StockIssuedDuringPeriodSharesUnderRightsIssue" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_WarrantsTextBlock" name="WarrantsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock" name="ScheduleOfTheSeniorSecuredConvertibleNoteAndSecuredConvertibleLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_TemporaryEquitySharesSubjectToRedemption" name="TemporaryEquitySharesSubjectToRedemption" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MarchTwentySevenTwoThousandSeventeenMember" name="MarchTwentySevenTwoThousandSeventeenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NetCurrentAssets" name="NetCurrentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_OtherCurrentAndLongTermLiabilitiesLineItems" name="OtherCurrentAndLongTermLiabilitiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NumberOfSharesAllocatedInExchangeForNonRedeemptionOfPublicShares" name="NumberOfSharesAllocatedInExchangeForNonRedeemptionOfPublicShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses" name="ShareBasedPaymentToRelatedPartiesGeneralAndAdministrativeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ProceedsFromShortTermDebtFromRelatedParty" name="ProceedsFromShortTermDebtFromRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_SummaryOfEstimatedUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock" name="SummaryOfEstimatedUsefulLifeOfPropertyPlantAndEquipmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_IcrLlcMember" name="IcrLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnrecognizedTaxBenefitsEffectOfIncomeTaxRateChanges" name="UnrecognizedTaxBenefitsEffectOfIncomeTaxRateChanges" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_PercentageOfIncreaseDecreaseOfForeignCurrency" name="PercentageOfIncreaseDecreaseOfForeignCurrency" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OrdinarySharesMember" name="OrdinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TrancheThreeMember" name="TrancheThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock" name="DisclosureInTabularFormOfDebtSecuritiesHeldToMaturityOneAmortizedCostToFairValueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedPaymentLiabilityMember" name="ShareBasedPaymentLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RepresentativeSharesMember" name="RepresentativeSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccumulatedDeficit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ProfessionalFeesSalesAndMarketingExpenses" name="ProfessionalFeesSalesAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_FebruarySixteenTwoThousandTwentyOneMember" name="FebruarySixteenTwoThousandTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetTable" name="ExpensesAndOtherNonOperatingIncomeExpenseNetTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses" name="ShareBasedCompensationToRelatedPartiesSalesAndMarketingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued" name="ClassOfWarrantsOrRightsExercisedDuringThePeriodSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_LaLigaMember" name="LaLigaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SuccessFeePayable" name="SuccessFeePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum" name="ConsiderationPaidReceivedPercentageOfMarketCapitalizationMinimum" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodSharesConversionOfAdvisorsLoans" name="StockIssuedDuringPeriodSharesConversionOfAdvisorsLoans" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MarchTwoThousandAndTwentyFourMember" name="MarchTwoThousandAndTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesPayableCurrent" name="OrdinarySharesPayableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_EarlyBirdCapitalIncMember" name="EarlyBirdCapitalIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TradingDebtSecuritiesGrossUnrealizedGains" name="TradingDebtSecuritiesGrossUnrealizedGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AdvancedSubscriptionAgreementMember" name="AdvancedSubscriptionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UncertainTaxPositionRecognized" name="UncertainTaxPositionRecognized" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AmountCapitalizedToAccumulatedDeficit" name="AmountCapitalizedToAccumulatedDeficit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AprilTwentyEightTwoThousandEighteenMember" name="AprilTwentyEightTwoThousandEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdditionalStockIssuedMember" name="AdditionalStockIssuedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfMarketValueForWarrantExercisePriceAdjustment" name="PercentageOfMarketValueForWarrantExercisePriceAdjustment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MayFiveTwoThousandTwentyThreeMember" name="MayFiveTwoThousandTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RezolveTaiwanLimitedMember" name="RezolveTaiwanLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TrancheOneMember" name="TrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CashFeePercentageForTargetBusinessIntroductionInBusinessCombination" name="CashFeePercentageForTargetBusinessIntroductionInBusinessCombination" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares" name="ShareBasedCompensationEmployeesSharesRestrictionsLiftedShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentConversionPricePercentage" name="DebtInstrumentConversionPricePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ExpensesAndOtherNonOperatingIncomeExpenseNetLineItems" name="ExpensesAndOtherNonOperatingIncomeExpenseNetLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentAmountOfInterestForegone" name="DebtInstrumentAmountOfInterestForegone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_TrancheDomain" name="TrancheDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentConversionIntoEquityTrancheTwoMember" name="DebtInstrumentConversionIntoEquityTrancheTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentAdditionalLoanAmountToBeBorrowed" name="DebtInstrumentAdditionalLoanAmountToBeBorrowed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AccountingPoliciesLineItems" name="AccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SubscriptionAgreementWarrantsMember" name="SubscriptionAgreementWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SharesAllocatedBySponsor" name="SharesAllocatedBySponsor" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage" name="DebtInstrumentConversionPriceAsAPercentageOfVolumeWeightedAveragePricePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OridinarySharesMember" name="OridinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ManagementRemuneration" name="ManagementRemuneration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment" name="CommonStockMarketValuePerShareBelowWhichTriggersWarrantAdjustment" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesPromissoryNote" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_MinimumPercentageOfOwnershipForConsolidation" name="MinimumPercentageOfOwnershipForConsolidation" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock" name="ScheduleOfGeneralAndAdministrativeExpensesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AdvisoryFeePayableOnConsummationOfBusinessCombination" name="AdvisoryFeePayableOnConsummationOfBusinessCombination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_JaymaxMember" name="JaymaxMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InvestmentTaxCreditDisclosureTextBlock" name="InvestmentTaxCreditDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PercentageOfAggregateGrossProceedsOffering" name="PercentageOfAggregateGrossProceedsOffering" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AdvisoryFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised" name="AdvisoryFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_ScheduleOfSalesAndMarketingExpensesTableTextBlock" name="ScheduleOfSalesAndMarketingExpensesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MarketingAgreementFeePercentageForBusinessCombination" name="MarketingAgreementFeePercentageForBusinessCombination" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RepaymentTimingTrancheOneMember" name="RepaymentTimingTrancheOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SponsorMember" name="SponsorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShortTermDebtFromRelatedParties" name="ShortTermDebtFromRelatedParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesOtherThanPayablesToRelatedPartiesCurrent" name="IncreaseDecreaseInAccountsPayableAndAccruedLiabilitiesOtherThanPayablesToRelatedPartiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty" name="InterestPayableCurrentOnShortTermDebtCurrentToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ConvertibleLoanFromRelatedPartyMember" name="ConvertibleLoanFromRelatedPartyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RepaymentOfShortTermDebtBorrowedFromRelatedParty" name="RepaymentOfShortTermDebtBorrowedFromRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_AugustTwentySevenTwoThousandNineteenMember" name="AugustTwentySevenTwoThousandNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NovemberThirteenTwoThousandFourteenMember" name="NovemberThirteenTwoThousandFourteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_TaxLossesPreviouslyCreatedWillBeDissolvedOnDemergerMember" name="TaxLossesPreviouslyCreatedWillBeDissolvedOnDemergerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SalmanAhmadMember" name="SalmanAhmadMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RightOfUseAssetsAndLeaseLiabilitiesTable" name="RightOfUseAssetsAndLeaseLiabilitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BusinessAcquisition" name="BusinessAcquisition" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares" name="LongTermDebtDateAfterWhichTheAmountMayBeConvertedIntoShares" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ConvertibleDebtRelatedAndNonRelatedPartiesMember" name="ConvertibleDebtRelatedAndNonRelatedPartiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RightOfUseAssetsAndLeaseLiabilitiesAbstract" name="RightOfUseAssetsAndLeaseLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ProceedsFromMergerWithArmada" name="ProceedsFromMergerWithArmada" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AdvisorLoanNorthlandsSecurities" name="AdvisorLoanNorthlandsSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_CommitmentPeriodTwoMember" name="CommitmentPeriodTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdvisorLoanJvbFinancialGroup" name="AdvisorLoanJvbFinancialGroup" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RezolveTechnologySLMember" name="RezolveTechnologySLMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RelatedPartyTransactionProfessionalFees" name="RelatedPartyTransactionProfessionalFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DebtInstrumentAdditionalCommitementOthers" name="DebtInstrumentAdditionalCommitementOthers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_RelatedPartyBusinessDevelopmentExpenses" name="RelatedPartyBusinessDevelopmentExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption" name="TradingDaysSpecifiedWindowForMinimumCommonStockPriceForWarrantsRedemption" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RichardBurchillMember" name="RichardBurchillMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PeterVescoMember" name="PeterVescoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertibleNotesMember" name="ConvertibleNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany" name="CommonStockSharesIssuableUponDemergerForEveryShareInThePreviousCompany" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock" name="DisclosureInEntiretyOfExpensesAndOtherNonOperatingIncomeExpenseTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_JohnWagnerMember" name="JohnWagnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DanWagnerMember" name="DanWagnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StevePerryMember" name="StevePerryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SecondARYaAgreementMember" name="SecondARYaAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_SeniorSecuredConvertibleNotesMember" name="SeniorSecuredConvertibleNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_YorkvilleMember" name="YorkvilleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_RemainingContractualLivesOfOutstandingAndExercisableOptions" name="RemainingContractualLivesOfOutstandingAndExercisableOptions" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_FounderSharesMember" name="FounderSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OtherPromissoryNotesMember" name="OtherPromissoryNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodAtNominalValueLineItems" name="StockIssuedDuringPeriodAtNominalValueLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JanuaryTwentyFiveTwoThousandNineteenMember" name="JanuaryTwentyFiveTwoThousandNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ApeironInvestmentGroupLtsAndBradleyWickensMember" name="ApeironInvestmentGroupLtsAndBradleyWickensMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MarketingAgreementFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised" name="MarketingAgreementFeeForBusinessCombinationAmountIfUnderwritersOptionIsNotExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_RegisteredOfferingMember" name="RegisteredOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DonnellyFinancialLLCMember" name="DonnellyFinancialLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_InitialPublicOfferOrSpecialPurposeAcquistionTransactionIfOccurredAfterSixteenthOfDecemberTwoThousandAndTwentyTwoAndBeforeSixteenthOfJuneTwoThousandAndTwentyThreeMember" name="InitialPublicOfferOrSpecialPurposeAcquistionTransactionIfOccurredAfterSixteenthOfDecemberTwoThousandAndTwentyTwoAndBeforeSixteenthOfJuneTwoThousandAndTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_AdditionalLiabilitiesUponTheClosingOfTheInitialBusinessCombinationMember" name="AdditionalLiabilitiesUponTheClosingOfTheInitialBusinessCombinationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BishopIrMember" name="BishopIrMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MiscellaneousAccruedLiabilitiesCurrent" name="MiscellaneousAccruedLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IncomeBeforeIncomeTaxDomesticAndForeignTable" name="IncomeBeforeIncomeTaxDomesticAndForeignTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentNonConvertiblePortionOfDebt" name="DebtInstrumentNonConvertiblePortionOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_IncomeTaxDisclosureLineItems" name="IncomeTaxDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_JuneTwentySixTwoThousandTwentyMember" name="JuneTwentySixTwoThousandTwentyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNoteCurrent" name="ConvertiblePromissoryNoteCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNoteTableTextBlock" name="ConvertiblePromissoryNoteTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AugustThirtyOneTwoThousandTwentyMember" name="AugustThirtyOneTwoThousandTwentyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfAvailableEquityProceedsBelowSpecifiedPriceWhichTriggersWarrantAdjustment" name="PercentageOfAvailableEquityProceedsBelowSpecifiedPriceWhichTriggersWarrantAdjustment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_InvesteeAxis" name="InvesteeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ConvertibleDebtUnderTroubledDebtRestructuring" name="ConvertibleDebtUnderTroubledDebtRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DisclosureInEntiretyOfDebtInstrumentAndOtherLiabilitiesTextBlock" name="DisclosureInEntiretyOfDebtInstrumentAndOtherLiabilitiesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_MayThirtyOneTwoThousandEighteenMember" name="MayThirtyOneTwoThousandEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_WarrantCashlessExercisePeriodAfterBusinessCombination" name="WarrantCashlessExercisePeriodAfterBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_DblpSeaCowLimitedMember" name="DblpSeaCowLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ScheduleOfRightOfUseAssetsTableTextBlock" name="ScheduleOfRightOfUseAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_NumberOfDaysWithinWhichInvestorShallContributeCapital" name="NumberOfDaysWithinWhichInvestorShallContributeCapital" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SubscriptionAgreementMember" name="SubscriptionAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ExtensionNoteMember" name="ExtensionNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_YaIiPnLtd.Member" name="YaIiPnLtd.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentFaceValueOfNotesIssuableUponDemerger" name="DebtInstrumentFaceValueOfNotesIssuableUponDemerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShortTermDebtOtherPayableToRelatedParty" name="ShortTermDebtOtherPayableToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_BusinessCombinationSharesIssuableValueBasedOnMilestoneAchievement" name="BusinessCombinationSharesIssuableValueBasedOnMilestoneAchievement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_NumberOfIndependentDirectors" name="NumberOfIndependentDirectors" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_PercentageOfPaymentPremium" name="PercentageOfPaymentPremium" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShortTermConvertibleDebtPayableToRelatedParty" name="ShortTermConvertibleDebtPayableToRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_BlueDotMember" name="BlueDotMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OctoberTwoTwoThousandFifteenMember" name="OctoberTwoTwoThousandFifteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInEntiretyOfSubscriptionLiabilityTextBlock" name="DisclosureInEntiretyOfSubscriptionLiabilityTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_LockInPeriodOfShares" name="LockInPeriodOfShares" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AllocatedShareBasedCompensationInTheAbsenceOfRestriction" name="AllocatedShareBasedCompensationInTheAbsenceOfRestriction" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_FairValueOfEmployeeShareForThePurposesOfEstimate" name="FairValueOfEmployeeShareForThePurposesOfEstimate" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ArmadaAcquisitionCorpIMember" name="ArmadaAcquisitionCorpIMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ShortTermDebtDefaultInterestRatePercentage" name="ShortTermDebtDefaultInterestRatePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_WeightedAveragePrice" name="WeightedAveragePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AdvisoryFeePercentageForIntitialPublicOffering" name="AdvisoryFeePercentageForIntitialPublicOffering" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_InvesteeDomain" name="InvesteeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DblpSeaCowLtdMember" name="DblpSeaCowLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentOutstandingIncludingBorrowingFees" name="DebtInstrumentOutstandingIncludingBorrowingFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_TwoThousandAndTwentyThreeLongTermIncentivePlanMember" name="TwoThousandAndTwentyThreeLongTermIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_BlackScholesMertonOptionPricingModelMember" name="BlackScholesMertonOptionPricingModelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodValueUnderRightsIssue" name="StockIssuedDuringPeriodValueUnderRightsIssue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock" name="DisclosureInTabularFormOfOutstandingBalancesAsOnReportingDateTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue" name="ShareBasedCompensationEmployeesSharesRestrictionsLiftedValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_DebtInstrumentAccruedInterestConvertedIntoPrincipal" name="DebtInstrumentAccruedInterestConvertedIntoPrincipal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_SubscriptionAgreementLiabilityCurrent" name="SubscriptionAgreementLiabilityCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ConvertiblePromissoryNoteNonCurrent" name="ConvertiblePromissoryNoteNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_InterestOnSettlementOfShares" name="InterestOnSettlementOfShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_DebtInstrumentTimingOfRepaymentTrancheDomain" name="DebtInstrumentTimingOfRepaymentTrancheDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MarchTwentySevenTwoThousandFifteenMember" name="MarchTwentySevenTwoThousandFifteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnsecuredConvertibleDebtTwoMember" name="UnsecuredConvertibleDebtTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock" name="DisclosureInTabularFormOfDebtSecuritiesTradingFairValueToAmortizedCostTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ReimbursementPayablesForExpenseIncurredCurrent" name="ReimbursementPayablesForExpenseIncurredCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn" name="UnrecognizedTaxBenefitsReturnToProvisionBasedOnTaxReturn" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_NorthlandSecuritiesIncMember" name="NorthlandSecuritiesIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DefaultSharesMember" name="DefaultSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_IncomeBeforeIncomeTaxDomesticAndForeignLineItems" name="IncomeBeforeIncomeTaxDomesticAndForeignLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PercentageOfMonthlyPaymentsOnOriginalPrincipal" name="PercentageOfMonthlyPaymentsOnOriginalPrincipal" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_UnsecuredConvertibleDebtOneAndTwoMember" name="UnsecuredConvertibleDebtOneAndTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentDiscountAsAPercentageOfFaceValue" name="DebtInstrumentDiscountAsAPercentageOfFaceValue" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_AnthonySharpMember" name="AnthonySharpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DecemberFifteenTwoThousandSixteenMember" name="DecemberFifteenTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DecemberTwoThousandAndTwentyThreeMember" name="DecemberTwoThousandAndTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PipeMember" name="PipeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_UnrecognizedTaxBenefitsTaxLossesLostOnDemerger" name="UnrecognizedTaxBenefitsTaxLossesLostOnDemerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AdditionalNotesMember" name="AdditionalNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PrepaidExpensesAndOtherCurrentAssets" name="PrepaidExpensesAndOtherCurrentAssets" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodSharesWarrantsExercised" name="StockIssuedDuringPeriodSharesWarrantsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_SubscriptionLiabilityLineItems" name="SubscriptionLiabilityLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_WilsonSonsiniGoodrichAndRosatiMember" name="WilsonSonsiniGoodrichAndRosatiMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MarchTwentyOneTwoThousandSixteenMember" name="MarchTwentyOneTwoThousandSixteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_NonOperatingIncomeExpenses" name="NonOperatingIncomeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity" name="CashAndCashEquivalentsThresholdAmountBelowWhichDebtMayBeConvertedIntoEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_TrancheAxis" name="TrancheAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CapitalManagementAbstract" name="CapitalManagementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CommitmentPeriodOneMember" name="CommitmentPeriodOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PurchaseAgreementMember" name="PurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_CostOfGoodsAndServicesSoldDepreciationAndAmortizations" name="CostOfGoodsAndServicesSoldDepreciationAndAmortizations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_NonRedemptionAgreementsMember" name="NonRedemptionAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_ThresholdDateForConsummationOfBusinessCombination" name="ThresholdDateForConsummationOfBusinessCombination" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_StatementOfComplianceTextBlock" name="StatementOfComplianceTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_OrdinarySharesIssuedAtNominalValueInLieuOfServices" name="OrdinarySharesIssuedAtNominalValueInLieuOfServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_SauvikBanerjeeMember" name="SauvikBanerjeeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DebtInstrumentTimingOfRepaymentTrancheAxis" name="DebtInstrumentTimingOfRepaymentTrancheAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_DisclosureInTabularFormOfUsefulLivesOfComputerSoftwareAssetsTableTextBlock" name="DisclosureInTabularFormOfUsefulLivesOfComputerSoftwareAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_IgorLychagovMember" name="IgorLychagovMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_KPMGLLPMember" name="KPMGLLPMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_HallumCapitalGroupLlcMember" name="HallumCapitalGroupLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_MaximumTimePeriodForDefaultToBeRectified" name="MaximumTimePeriodForDefaultToBeRectified" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_ConditionDomain" name="ConditionDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock" name="PeriodOfTradingDaysToDetermineFairMarketValueOfCommonStock" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_TradingDebtSecuritiesGrossUnrealizedLoss" name="TradingDebtSecuritiesGrossUnrealizedLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_AdvisorLoanIssuedForServicesJvbFinancialGroup" name="AdvisorLoanIssuedForServicesJvbFinancialGroup" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rzlv_GoogleCloudEMEALtdMember" name="GoogleCloudEMEALtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_OrdinarySharesSettlementShares" name="OrdinarySharesSettlementShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation" name="EstimatedIncreaseDecreaseInRevenueDueToForeignCurrencyFluctuation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rzlv_ShortTermDebtAndOtherLiabilitiesAbstract" name="ShortTermDebtAndOtherLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rzlv_StockIssuedDuringPeriodAtNominalValueTextBlock" name="StockIssuedDuringPeriodAtNominalValueTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rzlv_RepaymentTimingTrancheTwoMember" name="RepaymentTimingTrancheTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
</xsd:schema>
