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  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReclassificationOfLoansFromHFSToHFI" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetReclassificationOfLoansFromHFSToHFI" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DebtInstrumentConvertibleCappedCallsInitialCapPrice" abstract="false" name="DebtInstrumentConvertibleCappedCallsInitialCapPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="upst_ScheduleOfBeneficialInterestLineItems" abstract="true" name="ScheduleOfBeneficialInterestLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_AnnualTargetBonusOpportunityPercentageOfSalaryPercent" abstract="false" name="AnnualTargetBonusOpportunityPercentageOfSalaryPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="upst_CollectionAgencyFeesMember" abstract="true" name="CollectionAgencyFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_BeneficialInterestsPolicyTextBlock" abstract="false" name="BeneficialInterestsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_LoansHeldInConsolidatedSecuritizationMember" abstract="true" name="LoansHeldInConsolidatedSecuritizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_A2020EquityIncentivePlanMember" abstract="true" name="A2020EquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_BeneficialInterestAssetNet" abstract="false" name="BeneficialInterestAssetNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_TrailingFeesLiabilityMeasurementInput" abstract="false" name="TrailingFeesLiabilityMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="upst_BeneficialInterestsAbstract" abstract="true" name="BeneficialInterestsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_ScheduleOfClassOfStockAndWarrantsOrRightsTableTextBlock" abstract="false" name="ScheduleOfClassOfStockAndWarrantsOrRightsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="upst_IncreaseDecreaseInPayableToInvestors" abstract="false" name="IncreaseDecreaseInPayableToInvestors" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DebtInstrumentConvertibleMaximumPercentageOfProductOfLastReportedSalePriceAndConversionRate" abstract="false" name="DebtInstrumentConvertibleMaximumPercentageOfProductOfLastReportedSalePriceAndConversionRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="upst_IssuanceOfBeneficialInterests" abstract="false" name="IssuanceOfBeneficialInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ScheduleOfSensitivityAnalysisOfFairValueTableTextBlock" abstract="false" name="ScheduleOfSensitivityAnalysisOfFairValueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="upst_BorrowerFeesMember" abstract="true" name="BorrowerFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_CustomerBMember" abstract="true" name="CustomerBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfVestingTranches" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfVestingTranches" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_ScheduleOfBorrowingsLineItems" abstract="true" name="ScheduleOfBorrowingsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_VariableInterestEntityQualitativeOrQuantitativeInformationNumberOfVariableInterestEntity" abstract="false" name="VariableInterestEntityQualitativeOrQuantitativeInformationNumberOfVariableInterestEntity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdditions" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_WarehouseCreditFacilityMember" abstract="true" name="WarehouseCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_TrailingFeeLiabilitiesMember" abstract="true" name="TrailingFeeLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_CustomerAMember" abstract="true" name="CustomerAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_PrimaryBeneficiaryMember" abstract="true" name="PrimaryBeneficiaryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_BeneficialInterestsMember" abstract="true" name="BeneficialInterestsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetImmediateResaleToInvestors" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetImmediateResaleToInvestors" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf100BasisPointIncreaseInDiscountRates" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf100BasisPointIncreaseInDiscountRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityAfterYearFour" abstract="false" name="LongTermAndShortTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ScheduleOfBeneficialInterestTable" abstract="true" name="ScheduleOfBeneficialInterestTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf20PercentIncreaseInMarketServicingRates" abstract="false" name="SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialAssetsImpactOf20PercentIncreaseInMarketServicingRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_GainLossOnLoanServicingArrangementsAndSaleOfNoncontrollingInterestsNet" abstract="false" name="GainLossOnLoanServicingArrangementsAndSaleOfNoncontrollingInterestsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DebtInstrumentConvertibleCappedCallsNumberOfSharesOfCommonStockCovered" abstract="false" name="DebtInstrumentConvertibleCappedCallsNumberOfSharesOfCommonStockCovered" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_ConversionPeriodOneMember" abstract="true" name="ConversionPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_LoansHeldForInvestmentFairValueDisclosure" abstract="false" name="LoansHeldForInvestmentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_CustomerCMember" abstract="true" name="CustomerCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_ConversionPeriodThreeMember" abstract="true" name="ConversionPeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_AutoLoansMember" abstract="true" name="AutoLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_FairValueAndOtherAdjustmentsNet" abstract="false" name="FairValueAndOtherAdjustmentsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_OtherVariableInterestEntitiesMember" abstract="true" name="OtherVariableInterestEntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_DebtInstrumentAdditionalAggregatePrincipal" abstract="false" name="DebtInstrumentAdditionalAggregatePrincipal" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_DiscountRateAbstract" abstract="true" name="DiscountRateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_UAWTWarehouseCreditFacilityMember" abstract="true" name="UAWTWarehouseCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_LoansHeldForInvestmentMember" abstract="true" name="LoansHeldForInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_BeneficialInterestDisclosureTextBlock" abstract="false" name="BeneficialInterestDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="upst_PayableToInvestors" abstract="false" name="PayableToInvestors" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityYearThree" abstract="false" name="LongTermAndShortTermDebtMaturityYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LoansHeldInConsolidatedSecuritizationFairValueDisclosure" abstract="false" name="LoansHeldInConsolidatedSecuritizationFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_CustomerOperationsMember" abstract="true" name="CustomerOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_RevenueNotFromContractWithCustomerAbstract" abstract="true" name="RevenueNotFromContractWithCustomerAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_AcquisitionOfBeneficialInterests" abstract="false" name="AcquisitionOfBeneficialInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ConsolidatedWarehouseEntitiesMember" abstract="true" name="ConsolidatedWarehouseEntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_BeneficialInterestAssetFairValue" abstract="false" name="BeneficialInterestAssetFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_RealizedGainLossOnTransferOfLoansNet" abstract="false" name="RealizedGainLossOnTransferOfLoansNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LoanPremiumFeesAndLoanTrailingFees" abstract="false" name="LoanPremiumFeesAndLoanTrailingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_EngineeringAndProductDevelopmentMember" abstract="true" name="EngineeringAndProductDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_DebtInstrumentConversionAxis" abstract="true" name="DebtInstrumentConversionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="upst_BeneficialInterestsMaximumLossExposure" abstract="false" name="BeneficialInterestsMaximumLossExposure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_InterestIncomeAndFairValueAdjustmentNet" abstract="false" name="InterestIncomeAndFairValueAdjustmentNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LesseeOperatingLeaseLiabilityTenantImprovementReceivable" abstract="false" name="LesseeOperatingLeaseLiabilityTenantImprovementReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LoansHeldForSaleInConsolidatedSecuritizationMember" abstract="true" name="LoansHeldForSaleInConsolidatedSecuritizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_ShareBasedCompensationArrangementAwardsCancelledSettlementInShares" abstract="false" name="ShareBasedCompensationArrangementAwardsCancelledSettlementInShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="upst_TwentyTwentySixNotesMember" abstract="true" name="TwentyTwentySixNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_ImpairmentOfIntangibleAssetsMember" abstract="true" name="ImpairmentOfIntangibleAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_PlatformAndReferralFeesNetMember" abstract="true" name="PlatformAndReferralFeesNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_DebtInstrumentConversionDomain" abstract="true" name="DebtInstrumentConversionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_PaymentsForCappedCalls" abstract="false" name="PaymentsForCappedCalls" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_UnrealizedGainLossChargeOffsAndOtherFairValueAdjustmentsNet" abstract="false" name="UnrealizedGainLossChargeOffsAndOtherFairValueAdjustmentsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityRemainderOfFiscalYear" abstract="false" name="LongTermAndShortTermDebtMaturityRemainderOfFiscalYear" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_PayablesToSecuritizationNoteHoldersMeasurementInput" abstract="false" name="PayablesToSecuritizationNoteHoldersMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="upst_DebtInstrumentConvertibleCappedCallsInitialStrikePrice" abstract="false" name="DebtInstrumentConvertibleCappedCallsInitialStrikePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAdditions" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ScheduleOfFeesAndCommissionsTableTextBlock" abstract="false" name="ScheduleOfFeesAndCommissionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisTransferOfLoansToConsolidatedSecuritization" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisTransferOfLoansToConsolidatedSecuritization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityYearFour" abstract="false" name="LongTermAndShortTermDebtMaturityYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_UAWTBenchmarkRateMember" abstract="true" name="UAWTBenchmarkRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsReceived" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRepaymentsReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_NetGainLossRelatedToLoanServicingRights" abstract="false" name="NetGainLossRelatedToLoanServicingRights" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LoansReceivableMeasurementInput" abstract="false" name="LoansReceivableMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="upst_LoanServicingAssetsMember" abstract="true" name="LoanServicingAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_ServicingFeesNetMember" abstract="true" name="ServicingFeesNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueAssetsImpactOf10PercentAdverseChangeInExpectedCreditLossRates" abstract="false" name="SensitivityAnalysisOfFairValueAssetsImpactOf10PercentAdverseChangeInExpectedCreditLossRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ProdigySoftwareIncMember" abstract="true" name="ProdigySoftwareIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_RestructuringAndRelatedCostOneTimeNonCashSavingsAmount" abstract="false" name="RestructuringAndRelatedCostOneTimeNonCashSavingsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LoanHeldForSaleMember" abstract="true" name="LoanHeldForSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_SecuritizedLoansMeasurementInput" abstract="false" name="SecuritizedLoansMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValuePayableToSecuritizationNoteHoldersImpactOf200PointIncreaseInDiscountRate" abstract="false" name="SensitivityAnalysisOfFairValuePayableToSecuritizationNoteHoldersImpactOf200PointIncreaseInDiscountRate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ScheduleOfGainLossOnLoanServicingRightsTableTextBlock" abstract="false" name="ScheduleOfGainLossOnLoanServicingRightsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="upst_January2023PlanMember" abstract="true" name="January2023PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialLiabilitiesImpactOf10PercentIncreaseInMarketServicingRates" abstract="false" name="SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialLiabilitiesImpactOf10PercentIncreaseInMarketServicingRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LineOfCreditFacilityMaximumAdvanceRate" abstract="false" name="LineOfCreditFacilityMaximumAdvanceRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="upst_SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialLiabilitiesImpactOf20PercentIncreaseInMarketServicingRates" abstract="false" name="SensitivityAnalysisOfFairValueTransferorsInterestsInTransferredFinancialLiabilitiesImpactOf20PercentIncreaseInMarketServicingRates" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LossContingencyOwnershipLoanFacilitatedTerm" abstract="false" name="LossContingencyOwnershipLoanFacilitatedTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="upst_AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementMarketServicingRate" abstract="false" name="AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementMarketServicingRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="upst_TrailingFeeLiabilityAtFairValueAmount" abstract="false" name="TrailingFeeLiabilityAtFairValueAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_NotesReceivableAndResidualCertificatesMember" abstract="true" name="NotesReceivableAndResidualCertificatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_TrailingFeeLiabilitiesFairValueDisclosure" abstract="false" name="TrailingFeeLiabilitiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_LongTermAndShortTermDebtMaturityYearOne" abstract="false" name="LongTermAndShortTermDebtMaturityYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_BeneficialInterestsUnpaidPrincipalBalance" abstract="false" name="BeneficialInterestsUnpaidPrincipalBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ScheduleOfBorrowingsTable" abstract="true" name="ScheduleOfBorrowingsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="upst_AccruedExpensesAndOtherLiabilitiesFairValueDisclosure" abstract="false" name="AccruedExpensesAndOtherLiabilitiesFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ULTWarehouseCreditFacilityMember" abstract="true" name="ULTWarehouseCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="upst_ServicingLiabilityAtFairValueGainLossIncludedInEarnings" abstract="false" name="ServicingLiabilityAtFairValueGainLossIncludedInEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_ExpectedPrepaymentRatesAbstract" abstract="true" name="ExpectedPrepaymentRatesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="upst_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" abstract="false" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchaseOfLoansForImmediateResaleToInvestors" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchaseOfLoansForImmediateResaleToInvestors" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="upst_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminatedPercent" abstract="false" name="RestructuringAndRelatedCostExpectedNumberOfPositionsEliminatedPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="upst_DaveGirouardMember" abstract="true" name="DaveGirouardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="upst_ExpectedCreditLossRateAbstract" abstract="true" name="ExpectedCreditLossRateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
</xs:schema>
