<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:90a46b77-3d2b-4493-802b-8b36d6a33e79,g:858f8d11-8a56-4af7-825b-7473af1cdba6-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:lpsn="http://www.liveperson.com/20250930" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.liveperson.com/20250930">
  <xs:import namespace="http://fasb.org/srt/2024" schemaLocation="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2024" schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2024" schemaLocation="https://xbrl.sec.gov/country/2024/country-2024.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2024" schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2024" schemaLocation="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/exch/2024" schemaLocation="https://xbrl.sec.gov/exch/2024/exch-2024.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lpsn-20250930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lpsn-20250930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lpsn-20250930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lpsn-20250930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="Cover" roleURI="http://www.liveperson.com/role/Cover">
        <link:definition>0000001 - Document - Cover</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited" roleURI="http://www.liveperson.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited">
        <link:definition>9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical" roleURI="http://www.liveperson.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSUnauditedParenthetical">
        <link:definition>9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" roleURI="http://www.liveperson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited">
        <link:definition>9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSSUnaudited" roleURI="http://www.liveperson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSSUnaudited">
        <link:definition>9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYunaudited" roleURI="http://www.liveperson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYunaudited">
        <link:definition>9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" roleURI="http://www.liveperson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited">
        <link:definition>9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusinessandBasisofPresentation" roleURI="http://www.liveperson.com/role/DescriptionofBusinessandBasisofPresentation">
        <link:definition>9952157 - Disclosure - Description of Business and Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenueRecognition" roleURI="http://www.liveperson.com/role/RevenueRecognition">
        <link:definition>9952158 - Disclosure - Revenue Recognition</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetLossPerShare" roleURI="http://www.liveperson.com/role/NetLossPerShare">
        <link:definition>9952159 - Disclosure - Net Loss Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.liveperson.com/role/SegmentInformation">
        <link:definition>9952160 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillandIntangibleAssets" roleURI="http://www.liveperson.com/role/GoodwillandIntangibleAssets">
        <link:definition>9952161 - Disclosure - Goodwill and Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipment" roleURI="http://www.liveperson.com/role/PropertyandEquipment">
        <link:definition>9952162 - Disclosure - Property and Equipment</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedExpensesandOtherCurrentLiabilities" roleURI="http://www.liveperson.com/role/AccruedExpensesandOtherCurrentLiabilities">
        <link:definition>9952163 - Disclosure - Accrued Expenses and Other Current Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConvertibleSeniorNotesandCappedCallTransactions" roleURI="http://www.liveperson.com/role/ConvertibleSeniorNotesandCappedCallTransactions">
        <link:definition>9952164 - Disclosure - Convertible Senior Notes and Capped Call Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurements" roleURI="http://www.liveperson.com/role/FairValueMeasurements">
        <link:definition>9952165 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.liveperson.com/role/CommitmentsandContingencies">
        <link:definition>9952166 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquity" roleURI="http://www.liveperson.com/role/StockholdersEquity">
        <link:definition>9952167 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Restructuring" roleURI="http://www.liveperson.com/role/Restructuring">
        <link:definition>9952168 - Disclosure - Restructuring</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LegalMatters" roleURI="http://www.liveperson.com/role/LegalMatters">
        <link:definition>9952169 - Disclosure - Legal Matters</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.liveperson.com/role/IncomeTaxes">
        <link:definition>9952170 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://www.liveperson.com/role/SubsequentEvents">
        <link:definition>9952171 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusinessandBasisofPresentationPolicies" roleURI="http://www.liveperson.com/role/DescriptionofBusinessandBasisofPresentationPolicies">
        <link:definition>9955511 - Disclosure - Description of Business and Basis of Presentation (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusinessandBasisofPresentationTables" roleURI="http://www.liveperson.com/role/DescriptionofBusinessandBasisofPresentationTables">
        <link:definition>9955512 - Disclosure - Description of Business and Basis of Presentation (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 id="RevenueRecognitionTables" roleURI="http://www.liveperson.com/role/RevenueRecognitionTables">
        <link:definition>9955513 - Disclosure - Revenue Recognition (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 id="NetLossPerShareTables" roleURI="http://www.liveperson.com/role/NetLossPerShareTables">
        <link:definition>9955514 - Disclosure - Net Loss Per Share (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 id="SegmentInformationTables" roleURI="http://www.liveperson.com/role/SegmentInformationTables">
        <link:definition>9955515 - Disclosure - Segment Information (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 id="GoodwillandIntangibleAssetsTables" roleURI="http://www.liveperson.com/role/GoodwillandIntangibleAssetsTables">
        <link:definition>9955516 - Disclosure - Goodwill and Intangible Assets (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 id="PropertyandEquipmentTables" roleURI="http://www.liveperson.com/role/PropertyandEquipmentTables">
        <link:definition>9955517 - Disclosure - Property and Equipment (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 id="AccruedExpensesandOtherCurrentLiabilitiesTables" roleURI="http://www.liveperson.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables">
        <link:definition>9955518 - Disclosure - Accrued Expenses and Other Current Liabilities (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 id="ConvertibleSeniorNotesandCappedCallTransactionsTables" roleURI="http://www.liveperson.com/role/ConvertibleSeniorNotesandCappedCallTransactionsTables">
        <link:definition>9955519 - Disclosure - Convertible Senior Notes and Capped Call Transactions (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 id="FairValueMeasurementsTables" roleURI="http://www.liveperson.com/role/FairValueMeasurementsTables">
        <link:definition>9955520 - Disclosure - Fair Value Measurements (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 id="StockholdersEquityTables" roleURI="http://www.liveperson.com/role/StockholdersEquityTables">
        <link:definition>9955521 - Disclosure - Stockholders' Equity (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 id="RestructuringTables" roleURI="http://www.liveperson.com/role/RestructuringTables">
        <link:definition>9955522 - Disclosure - Restructuring (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 id="DescriptionofBusinessandBasisofPresentationScheduleofPrepaidExpensesandOtherCurrentAssetsDetails" roleURI="http://www.liveperson.com/role/DescriptionofBusinessandBasisofPresentationScheduleofPrepaidExpensesandOtherCurrentAssetsDetails">
        <link:definition>9955523 - Disclosure - Description of Business and Basis of Presentation - Schedule of Prepaid Expenses and Other Current Assets (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 id="DescriptionofBusinessandBasisofPresentationDetails" roleURI="http://www.liveperson.com/role/DescriptionofBusinessandBasisofPresentationDetails">
        <link:definition>9955524 - Disclosure - Description of Business and Basis of Presentation (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 id="RevenueRecognitionDisaggregationofRevenueDetails" roleURI="http://www.liveperson.com/role/RevenueRecognitionDisaggregationofRevenueDetails">
        <link:definition>9955525 - Disclosure - Revenue Recognition - Disaggregation of Revenue (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 id="RevenueRecognitionNarrativeDetails" roleURI="http://www.liveperson.com/role/RevenueRecognitionNarrativeDetails">
        <link:definition>9955526 - Disclosure - Revenue Recognition - Narrative (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 id="RevenueRecognitionRevenuebyGeographicLocationDetails" roleURI="http://www.liveperson.com/role/RevenueRecognitionRevenuebyGeographicLocationDetails">
        <link:definition>9955527 - Disclosure - Revenue Recognition - Revenue by Geographic Location (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 id="RevenueRecognitionScheduleofReceivablesContractAcquisitionCostsandDeferredRevenueDetails" roleURI="http://www.liveperson.com/role/RevenueRecognitionScheduleofReceivablesContractAcquisitionCostsandDeferredRevenueDetails">
        <link:definition>9955528 - Disclosure - Revenue Recognition (Schedule of Receivables, Contract Acquisition Costs, and Deferred Revenue) (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 id="RevenueRecognitionAccountsReceivableDetails" roleURI="http://www.liveperson.com/role/RevenueRecognitionAccountsReceivableDetails">
        <link:definition>9955529 - Disclosure - Revenue Recognition - Accounts Receivable (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 id="NetLossPerShareNarrativeDetails" roleURI="http://www.liveperson.com/role/NetLossPerShareNarrativeDetails">
        <link:definition>9955530 - Disclosure - Net Loss Per Share - Narrative (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 id="NetLossPerShareReconciliationofSharesUsedinCalculatingBasicandDilutedEarningsPerShareDetails" roleURI="http://www.liveperson.com/role/NetLossPerShareReconciliationofSharesUsedinCalculatingBasicandDilutedEarningsPerShareDetails">
        <link:definition>9955531 - Disclosure - Net Loss Per Share - Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share (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 id="NetLossPerShareReconciliationofSharesUsedinCalculatingBasicandDilutedEarningsPerShareDetails_1" roleURI="http://www.liveperson.com/role/NetLossPerShareReconciliationofSharesUsedinCalculatingBasicandDilutedEarningsPerShareDetails_1">
        <link:definition>9955531 - Disclosure - Net Loss Per Share - Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share (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 id="NetLossPerShareScheduleofAntidilutiveSecuritiesExcludedfromComputationofEPSDetails" roleURI="http://www.liveperson.com/role/NetLossPerShareScheduleofAntidilutiveSecuritiesExcludedfromComputationofEPSDetails">
        <link:definition>9955532 - Disclosure - Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of EPS (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 id="SegmentInformationLongLivedAssetsbyGeographicRegionDetails" roleURI="http://www.liveperson.com/role/SegmentInformationLongLivedAssetsbyGeographicRegionDetails">
        <link:definition>9955533 - Disclosure - Segment Information - Long-Lived Assets by Geographic Region (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 id="GoodwillandIntangibleAssetsNetScheduleofChangesinGoodwillDetails" roleURI="http://www.liveperson.com/role/GoodwillandIntangibleAssetsNetScheduleofChangesinGoodwillDetails">
        <link:definition>9955534 - Disclosure - Goodwill and Intangible Assets, Net - Schedule of Changes in Goodwill (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 id="GoodwillandIntangibleAssetsNarrativeDetails" roleURI="http://www.liveperson.com/role/GoodwillandIntangibleAssetsNarrativeDetails">
        <link:definition>9955535 - Disclosure - Goodwill and Intangible Assets - Narrative (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 id="GoodwillandIntangibleAssetsIntangibleAssetsDetails" roleURI="http://www.liveperson.com/role/GoodwillandIntangibleAssetsIntangibleAssetsDetails">
        <link:definition>9955536 - Disclosure - Goodwill and Intangible Assets - Intangible Assets (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 id="GoodwillandIntangibleAssetsFutureAmortizationExpenseDetails" roleURI="http://www.liveperson.com/role/GoodwillandIntangibleAssetsFutureAmortizationExpenseDetails">
        <link:definition>9955537 - Disclosure - Goodwill and Intangible Assets - Future Amortization Expense (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 id="PropertyandEquipmentDetails" roleURI="http://www.liveperson.com/role/PropertyandEquipmentDetails">
        <link:definition>9955538 - Disclosure - Property and Equipment (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 id="PropertyandEquipmentNarrativeDetails" roleURI="http://www.liveperson.com/role/PropertyandEquipmentNarrativeDetails">
        <link:definition>9955539 - Disclosure - Property and Equipment - Narrative (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 id="AccruedExpensesandOtherCurrentLiabilitiesDetails" roleURI="http://www.liveperson.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails">
        <link:definition>9955540 - Disclosure - Accrued Expenses and Other Current Liabilities (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 id="ConvertibleSeniorNotesandCappedCallTransactionsNarrativeDetails" roleURI="http://www.liveperson.com/role/ConvertibleSeniorNotesandCappedCallTransactionsNarrativeDetails">
        <link:definition>9955541 - Disclosure - Convertible Senior Notes and Capped Call Transactions - Narrative (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 id="ConvertibleSeniorNotesandCappedCallTransactionsScheduleofCarryingAmountofLiabilityComponentofConvertibleDebtDetails" roleURI="http://www.liveperson.com/role/ConvertibleSeniorNotesandCappedCallTransactionsScheduleofCarryingAmountofLiabilityComponentofConvertibleDebtDetails">
        <link:definition>9955542 - Disclosure - Convertible Senior Notes and Capped Call Transactions - Schedule of Carrying Amount of Liability Component of Convertible Debt (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 id="ConvertibleSeniorNotesandCappedCallTransactionsScheduleofInterestExpenseIncurredDetails" roleURI="http://www.liveperson.com/role/ConvertibleSeniorNotesandCappedCallTransactionsScheduleofInterestExpenseIncurredDetails">
        <link:definition>9955543 - Disclosure - Convertible Senior Notes and Capped Call Transactions - Schedule of Interest Expense Incurred (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 id="FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueDetails" roleURI="http://www.liveperson.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueDetails">
        <link:definition>9955544 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value (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 id="FairValueMeasurementsScheduleofCarryingValueandFairValueofDebtInstrumentsDetails" roleURI="http://www.liveperson.com/role/FairValueMeasurementsScheduleofCarryingValueandFairValueofDebtInstrumentsDetails">
        <link:definition>9955545 - Disclosure - Fair Value Measurements - Schedule of Carrying Value and Fair Value of Debt Instruments (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 id="FairValueMeasurementsPricingModelAssumptionsDetails" roleURI="http://www.liveperson.com/role/FairValueMeasurementsPricingModelAssumptionsDetails">
        <link:definition>9955546 - Disclosure - Fair Value Measurements - Pricing Model Assumptions (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 id="FairValueMeasurementsNarrativeDetails" roleURI="http://www.liveperson.com/role/FairValueMeasurementsNarrativeDetails">
        <link:definition>9955547 - Disclosure - Fair Value Measurements - Narrative (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 id="FairValueMeasurementsLevel3LiabilitiesDetails" roleURI="http://www.liveperson.com/role/FairValueMeasurementsLevel3LiabilitiesDetails">
        <link:definition>9955548 - Disclosure - Fair Value Measurements - Level 3 Liabilities (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 id="CommitmentsandContingenciesNarrativeDetails" roleURI="http://www.liveperson.com/role/CommitmentsandContingenciesNarrativeDetails">
        <link:definition>9955549 - Disclosure - Commitments and Contingencies (Narrative) (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 id="StockholdersEquitySummaryofStockOptionActivityandWeightedAverageExercisePricesDetails" roleURI="http://www.liveperson.com/role/StockholdersEquitySummaryofStockOptionActivityandWeightedAverageExercisePricesDetails">
        <link:definition>9955550 - Disclosure - Stockholders' Equity - Summary of Stock Option Activity and Weighted Average Exercise Prices (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 id="StockholdersEquitySummaryofRestrictedStockUnitActivityandWeightedAverageExercisePriceDetails" roleURI="http://www.liveperson.com/role/StockholdersEquitySummaryofRestrictedStockUnitActivityandWeightedAverageExercisePriceDetails">
        <link:definition>9955551 - Disclosure - Stockholders' Equity - Summary of Restricted Stock Unit Activity and Weighted Average Exercise Price (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 id="StockholdersEquityNarrativeDetails" roleURI="http://www.liveperson.com/role/StockholdersEquityNarrativeDetails">
        <link:definition>9955552 - Disclosure - Stockholders' Equity - Narrative (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 id="StockholdersEquityScheduleofStockBasedCompensationCostsDetails" roleURI="http://www.liveperson.com/role/StockholdersEquityScheduleofStockBasedCompensationCostsDetails">
        <link:definition>9955553 - Disclosure - Stockholders' Equity - Schedule of Stock-Based Compensation Costs (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 id="RestructuringNarrativeDetails" roleURI="http://www.liveperson.com/role/RestructuringNarrativeDetails">
        <link:definition>9955554 - Disclosure - Restructuring - Narrative (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 id="RestructuringScheduleofRestructuringReserveDetails" roleURI="http://www.liveperson.com/role/RestructuringScheduleofRestructuringReserveDetails">
        <link:definition>9955555 - Disclosure - Restructuring - Schedule of Restructuring Reserve (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 id="RestructuringScheduleofRestructuringLiabilitybyCostTypeDetails" roleURI="http://www.liveperson.com/role/RestructuringScheduleofRestructuringLiabilitybyCostTypeDetails">
        <link:definition>9955556 - Disclosure - Restructuring - Schedule of Restructuring Liability by Cost Type (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 id="IncomeTaxesDetails" roleURI="http://www.liveperson.com/role/IncomeTaxesDetails">
        <link:definition>9955557 - Disclosure - Income Taxes (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 id="SubsequentEventsDetails" roleURI="http://www.liveperson.com/role/SubsequentEventsDetails">
        <link:definition>9955558 - Disclosure - Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="lpsn_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationAndAssetsHeldForSale" abstract="false" name="PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationAndAssetsHeldForSale" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_TemporaryEquitySharesIssuedRelatedToDebtTransaction" abstract="false" name="TemporaryEquitySharesIssuedRelatedToDebtTransaction" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lpsn_TemporaryEquityValueIssuedRelatedToDebtTransaction" abstract="false" name="TemporaryEquityValueIssuedRelatedToDebtTransaction" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_AdjustmentsToAdditionalPaidInCapitalActivityRelatedToDivestiture" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalActivityRelatedToDivestiture" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_CommonStockIssuedInConnectionWithDebtTransactionShares" abstract="false" name="CommonStockIssuedInConnectionWithDebtTransactionShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lpsn_CommonStockIssuedInConnectionWithDebtTransactionValue" abstract="false" name="CommonStockIssuedInConnectionWithDebtTransactionValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ConvertibleSeniorNotesDue2024Member" abstract="true" name="ConvertibleSeniorNotesDue2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_ConvertibleSeniorNotesDue2026Member" abstract="true" name="ConvertibleSeniorNotesDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_OperatingLeaseRightOfUseAssetPeriodicReductionIncrease" abstract="false" name="OperatingLeaseRightOfUseAssetPeriodicReductionIncrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_AmortizationOfIntangibleAssetsAndFinanceLeases" abstract="false" name="AmortizationOfIntangibleAssetsAndFinanceLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_GainOnDebtExtinguishmentAndTransactionCosts" abstract="false" name="GainOnDebtExtinguishmentAndTransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_FeesInConnectionWithTheDebtExchange" abstract="false" name="FeesInConnectionWithTheDebtExchange" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_InterestExpenseOperatingActivity" abstract="false" name="InterestExpenseOperatingActivity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets" abstract="false" name="IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_IncreaseDecreaseInCapitalizedContractCost" abstract="false" name="IncreaseDecreaseInCapitalizedContractCost" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_PaymentInConnectionWithTroubledDebtRestructuring" abstract="false" name="PaymentInConnectionWithTroubledDebtRestructuring" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_IssuanceOfPreferredStock" abstract="false" name="IssuanceOfPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ScheduleOfReceivablesContractAcquisitionCostsAndDeferredRevenueTableTextBlock" abstract="false" name="ScheduleOfReceivablesContractAcquisitionCostsAndDeferredRevenueTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lpsn_ScheduleOfInterestExpenseIncurredTableTextBlock" abstract="false" name="ScheduleOfInterestExpenseIncurredTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lpsn_PrepaidSoftwareMaintenanceExpenseCurrent" abstract="false" name="PrepaidSoftwareMaintenanceExpenseCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_HostedServicesBusinessMember" abstract="true" name="HostedServicesBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_ProfessionalServicesMember" abstract="true" name="ProfessionalServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_RevenueRemainingPerformanceObligationPercentageToBeRecognizedInNextTwoYears" abstract="false" name="RevenueRemainingPerformanceObligationPercentageToBeRecognizedInNextTwoYears" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lpsn_MovementInContractAcquisitionCostsRollForward" abstract="true" name="MovementInContractAcquisitionCostsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_CapitalizedContractCostsPeriodIncreaseDecreaseNet" abstract="false" name="CapitalizedContractCostsPeriodIncreaseDecreaseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ContractWithCustomerLiabilityRollForward" abstract="true" name="ContractWithCustomerLiabilityRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_ContractWithCustomerLiabilityCurrentIncreaseDecreaseNet" abstract="false" name="ContractWithCustomerLiabilityCurrentIncreaseDecreaseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ContractWithCustomerLiabilityNonCurrentIncreaseDecreaseNet" abstract="false" name="ContractWithCustomerLiabilityNonCurrentIncreaseDecreaseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_A2026NotesMember" abstract="true" name="A2026NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_SharesSubjectToOutstandingCommonStockOptionsAndEmployeeStockPurchasePlanMember" abstract="true" name="SharesSubjectToOutstandingCommonStockOptionsAndEmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_ShareSettledWarrantsMember" abstract="true" name="ShareSettledWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_A2024NotesMember" abstract="true" name="A2024NotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_UnitedKingdomGermanyJapanFranceItalyMember" abstract="true" name="UnitedKingdomGermanyJapanFranceItalyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_WildHealthMember" abstract="true" name="WildHealthMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" abstract="false" name="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ComputerEquipmentAndSoftwareMember" abstract="true" name="ComputerEquipmentAndSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_FurnitureEquipmentAndBuildingImprovementsMember" abstract="true" name="FurnitureEquipmentAndBuildingImprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_CappedCallsMember" abstract="true" name="CappedCallsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_ConvertibleSeniorNotesDue2029Member" abstract="true" name="ConvertibleSeniorNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_ExchangeAndPurchaseAgreementMember" abstract="true" name="ExchangeAndPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_A10.0SecondLienSeniorSubordinatedSecuredNotesDue2029Member" abstract="true" name="A10.0SecondLienSeniorSubordinatedSecuredNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_September2025DebtExchangeMember" abstract="true" name="September2025DebtExchangeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_A2029NotesIncludingTheDelayedDrawNotesMember" abstract="true" name="A2029NotesIncludingTheDelayedDrawNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_DebtInstrumentRedemptionFirstLienConvertibleNotesMember" abstract="true" name="DebtInstrumentRedemptionFirstLienConvertibleNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_DebtInstrumentRedemptionFundamentalChangeMember" abstract="true" name="DebtInstrumentRedemptionFundamentalChangeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_InterestRateComponentAxis" abstract="true" name="InterestRateComponentAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_InterestRateComponentDomain" abstract="true" name="InterestRateComponentDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_EarlierOfTheDateOfIssuanceOfDelayedDrawNotesAndDecember15.2026Member" abstract="true" name="EarlierOfTheDateOfIssuanceOfDelayedDrawNotesAndDecember15.2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_FromDateOfIssuanceOfDelayedDrawNotesAndPriorToDecember152026Member" abstract="true" name="FromDateOfIssuanceOfDelayedDrawNotesAndPriorToDecember152026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_OnOrAfterDecember152026Member" abstract="true" name="OnOrAfterDecember152026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_ConditionalRateMember" abstract="true" name="ConditionalRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_DebtInstrumentConvertibleTermsOfConversionAxis" abstract="true" name="DebtInstrumentConvertibleTermsOfConversionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_DebtInstrumentConvertibleTermsOfConversionDomain" abstract="true" name="DebtInstrumentConvertibleTermsOfConversionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_DebtConversionTermsOneMember" abstract="true" name="DebtConversionTermsOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_DebtConversionTermsTwoMember" abstract="true" name="DebtConversionTermsTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_CashSettledWarrantsMember" abstract="true" name="CashSettledWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_DebtInstrumentConvertibleBusinessPeriod" abstract="false" name="DebtInstrumentConvertibleBusinessPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lpsn_DebtInstrumentConvertibleMeasurementPeriod" abstract="false" name="DebtInstrumentConvertibleMeasurementPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lpsn_DebtInstrumentConvertibleFiveDayPeriodThresholdOfProductOfSalePriceOfStockAndConversionRate" abstract="false" name="DebtInstrumentConvertibleFiveDayPeriodThresholdOfProductOfSalePriceOfStockAndConversionRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lpsn_CappedCallsInitialOptionStrikePrice" abstract="false" name="CappedCallsInitialOptionStrikePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="lpsn_CappedCallsInitialCapPrice" abstract="false" name="CappedCallsInitialCapPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="lpsn_NumberOfSharesOfCommonStockCoveredByCappedCalls" abstract="false" name="NumberOfSharesOfCommonStockCoveredByCappedCalls" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lpsn_AdjustmentstoAdditionalPaidinCapitalCappedCallOptionIssuanceCosts" abstract="false" name="AdjustmentstoAdditionalPaidinCapitalCappedCallOptionIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ClassOfWarrantOrRightAdditionalAmountAuthorizedForPurchase" abstract="false" name="ClassOfWarrantOrRightAdditionalAmountAuthorizedForPurchase" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DebtInstrumentDiscountGross" abstract="false" name="DebtInstrumentDiscountGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DebtInstrumentRedemptionPriceDiscountPercentageBasisPoints" abstract="false" name="DebtInstrumentRedemptionPriceDiscountPercentageBasisPoints" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="lpsn_DebtInstrumentInterestRateStatedPercentageCash" abstract="false" name="DebtInstrumentInterestRateStatedPercentageCash" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_DebtInstrumentInterestRateStatedPercentagePaidInKind" abstract="false" name="DebtInstrumentInterestRateStatedPercentagePaidInKind" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_DebtInstrumentCovenantMaximumAmountJuniorInLienPriority" abstract="false" name="DebtInstrumentCovenantMaximumAmountJuniorInLienPriority" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DebtInstrumentCovenantMinimumRequiredCashBalance" abstract="false" name="DebtInstrumentCovenantMinimumRequiredCashBalance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DebtInstrumentRedemptionPriceRemainingFutureInterestPaymentsPercentage" abstract="false" name="DebtInstrumentRedemptionPriceRemainingFutureInterestPaymentsPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_ClassOfWarrantOrRightAvailableCash" abstract="false" name="ClassOfWarrantOrRightAvailableCash" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ClassOfWarrantOrRightSettlementAmountAnnualizedInterestRate" abstract="false" name="ClassOfWarrantOrRightSettlementAmountAnnualizedInterestRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_ClassOfWarrantOrRightBeneficialOwnershipLimitationPercentage" abstract="false" name="ClassOfWarrantOrRightBeneficialOwnershipLimitationPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_ClassOfWarrantOrRightBeneficialOwnershipLimitationMaximumPercentage" abstract="false" name="ClassOfWarrantOrRightBeneficialOwnershipLimitationMaximumPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_DebtCovenantAmountOutstanding" abstract="false" name="DebtCovenantAmountOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ClassOfWarrantOrRightIssued" abstract="false" name="ClassOfWarrantOrRightIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lpsn_ClassOfWarrantOrRightExercised" abstract="false" name="ClassOfWarrantOrRightExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lpsn_PreferredStockLiquidationPreferenceRate" abstract="false" name="PreferredStockLiquidationPreferenceRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_PreferredStockOwnershipCap" abstract="false" name="PreferredStockOwnershipCap" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_ExchangeClosingDatePrincipal" abstract="false" name="ExchangeClosingDatePrincipal" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ExchangeClosingDateDiscount" abstract="false" name="ExchangeClosingDateDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ExchangeClosingDateNet" abstract="false" name="ExchangeClosingDateNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DebtUndiscounted" abstract="false" name="DebtUndiscounted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DebtInterestMaximum" abstract="false" name="DebtInterestMaximum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DebtRedemptionRate" abstract="false" name="DebtRedemptionRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lpsn_ConvertibleSeniorNotesMember" abstract="true" name="ConvertibleSeniorNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_ContingentEarnOutMember" abstract="true" name="ContingentEarnOutMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_SecondLienNotesMember" abstract="true" name="SecondLienNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_MeasurementInputYieldMember" abstract="true" name="MeasurementInputYieldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIssuanceOfWarrants" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisIssuanceOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisExerciseOfWarrants" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_DefinedContributionPlanMatchGroupsAxis" abstract="true" name="DefinedContributionPlanMatchGroupsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_DefinedContributionPlanMatchGroupsDomain" abstract="true" name="DefinedContributionPlanMatchGroupsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_MatchingTrancheOneMember" abstract="true" name="MatchingTrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_MatchingTrancheTwoMember" abstract="true" name="MatchingTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_LetterOfCreditForSecurityDepositMember" abstract="true" name="LetterOfCreditForSecurityDepositMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpectedToVest" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpectedToVest" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lpsn_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueAbstractRollForward" abstract="true" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageGrantDateFairValueAbstractRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpectedToVestWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpectedToVestWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="lpsn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueRollForward" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lpsn_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueNonvestedAndOutstanding" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueNonvestedAndOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueExpectedToVest" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueExpectedToVest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lpsn_EmployeeStockPurchasePlanMember" abstract="true" name="EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_IncentiveStockOptionMember" abstract="true" name="IncentiveStockOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lpsn_A2019StockIncentivePlanMember" abstract="true" name="A2019StockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_A2019EmployeeStockPurchasePlanMember" abstract="true" name="A2019EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_CEOInducementAwardMember" abstract="true" name="CEOInducementAwardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lpsn_ValuationAllowanceDeferredTaxAssetIncreaseGross" abstract="false" name="ValuationAllowanceDeferredTaxAssetIncreaseGross" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
