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        <link:definition>06031 - Disclosure - Intangible Assets, net (Details 1)</link:definition>
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        <link:definition>0603 - Disclosure - Intangible Assets, net (Details)</link:definition>
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      <link:roleType roleURI="http://spscommerce.com/role/ConsolidatedBalanceSheetsParenthetical" id="ConsolidatedBalanceSheetsParenthetical">
        <link:definition>0111 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</link:definition>
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        <link:definition>0609 - Disclosure - Net Income Per Share (Details)</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>06091 - Disclosure - Net Income Per Share (Details Textual)</link:definition>
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        <link:definition>06032 - Disclosure - Intangible Assets, net (Details Textual)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>0606 - Disclosure - Stockholders' Equity (Details)</link:definition>
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        <link:definition>06024 - Disclosure - Business Acquisition (Details Textual)</link:definition>
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      <link:roleType roleURI="http://spscommerce.com/role/BusinessAcquisitionDetails3" id="BusinessAcquisitionDetails3">
        <link:definition>06023 - Disclosure - Business Acquisition (Details 3)</link:definition>
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        <link:definition>06021 - Disclosure - Business Acquisition (Details 1)</link:definition>
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      <link:roleType roleURI="http://spscommerce.com/role/BusinessAcquisitionDetails2" id="BusinessAcquisitionDetails2">
        <link:definition>06022 - Disclosure - Business Acquisition (Details 2)</link:definition>
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      <link:roleType roleURI="http://spscommerce.com/role/BusinessAcquisitionDetails" id="BusinessAcquisitionDetails">
        <link:definition>0602 - Disclosure - Business Acquisition (Details)</link:definition>
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      <link:roleType roleURI="http://spscommerce.com/role/NetIncomePerShareTables" id="NetIncomePerShareTables">
        <link:definition>0509 - Disclosure - Net Income Per Share (Tables)</link:definition>
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      <link:roleType roleURI="http://spscommerce.com/role/IntangibleAssetNetTables" id="IntangibleAssetNetTables">
        <link:definition>0503 - Disclosure - Intangible Assets, net (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://spscommerce.com/role/BusinessAcquisitionTables" id="BusinessAcquisitionTables">
        <link:definition>0502 - Disclosure - Business Acquisition (Tables)</link:definition>
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      <link:roleType roleURI="http://spscommerce.com/role/NetIncomePerShare" id="NetIncomePerShare">
        <link:definition>0209 - Disclosure - Net Income Per Share</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://spscommerce.com/role/StockholdersEquity" id="StockholdersEquity">
        <link:definition>0206 - Disclosure - Stockholders' Equity</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://spscommerce.com/role/IntangibleAssetsNet" id="IntangibleAssetsNet">
        <link:definition>0203 - Disclosure - Intangible Assets, net</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://spscommerce.com/role/BusinessAcquisition" id="BusinessAcquisition">
        <link:definition>0202 - Disclosure - Business Acquisition</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://spscommerce.com/role/LineOfCreditDetails" id="LineOfCreditDetails">
        <link:definition>0604 - Disclosure - Line of Credit (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://spscommerce.com/role/IncomeTaxesDetails" id="IncomeTaxesDetails">
        <link:definition>0608 - Disclosure - Income Taxes (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://spscommerce.com/role/StockBasedCompensationDetailsTextual" id="StockBasedCompensationDetailsTextual">
        <link:definition>06073 - Disclosure - Stock-Based Compensation (Details Textual)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://spscommerce.com/role/StockBasedCompensationDetails2" id="StockBasedCompensationDetails2">
        <link:definition>06072 - Disclosure - Stock-Based Compensation (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/StockBasedCompensationDetails1" id="StockBasedCompensationDetails1">
        <link:definition>06071 - Disclosure - Stock-Based Compensation (Details 1)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/StockBasedCompensationDetails" id="StockBasedCompensationDetails">
        <link:definition>0607 - Disclosure - Stock-Based Compensation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/StockBasedCompensationTables" id="StockBasedCompensationTables">
        <link:definition>0507 - Disclosure - Stock-Based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/CommitmentsAndContingenciesDetailsTextual" id="CommitmentsAndContingenciesDetailsTextual">
        <link:definition>06051 - Disclosure - Commitments and Contingencies (Details Textual)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/CommitmentsAndContingenciesDetails" id="CommitmentsAndContingenciesDetails">
        <link:definition>0605 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/CommitmentsAndContingenciesTables" id="CommitmentsAndContingenciesTables">
        <link:definition>0505 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/GeneralPolicies" id="GeneralPolicies">
        <link:definition>0401 - Disclosure - General (Policies)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>00 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/BalanceSheets" id="BalanceSheets">
        <link:definition>0110 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/StatementsOfOperations" id="StatementsOfOperations">
        <link:definition>0120 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
        <link:definition>0130 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/General" id="General">
        <link:definition>0201 - Disclosure - General</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/LineOfCredit" id="LineOfCredit">
        <link:definition>0204 - Disclosure - Line of Credit</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
        <link:definition>0205 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/StockBasedCompensation" id="StockBasedCompensation">
        <link:definition>0207 - Disclosure - Stock-Based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://spscommerce.com/role/IncomeTaxes" id="IncomeTaxes">
        <link:definition>0208 - Disclosure - Income Taxes</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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  <element id="spsc_NumberOfOfferingsPerYear" name="NumberOfOfferingsPerYear" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="spsc_PercentageOfCommonStockOnFairMarketValue" name="PercentageOfCommonStockOnFairMarketValue" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="spsc_EmployeeStockPurchasePlanEmployeesContribution" name="EmployeeStockPurchasePlanEmployeesContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="spsc_EmployeeStockPurchasePlanWeightedAveragePurchasePriceOfSharesPurchased" name="EmployeeStockPurchasePlanWeightedAveragePurchasePriceOfSharesPurchased" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="spsc_DeferredCompensationArrangementWithIndividualCommonStockAvailableForFuturePurchases" name="DeferredCompensationArrangementWithIndividualCommonStockAvailableForFuturePurchases" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="spsc_EmployeeStockPurchasePlanOfferingPeriodEndDate" name="EmployeeStockPurchasePlanOfferingPeriodEndDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="spsc_FutureAmortizationExpenseForIntangibleAssets" name="FutureAmortizationExpenseForIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
</schema>
</XBRL>
