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          <filerCredentials>
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            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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        <issuerCik>0001666071</issuerCik>
        <issuerName>Cardlytics, Inc.</issuerName>
        <secFileNumber>001-38386</secFileNumber>
        <issuerAddress>
          <com:street1>675 PONCE DE LEON AVENUE, NE</com:street1>
          <com:street2>SUITE 4100</com:street2>
          <com:city>ATLANTA</com:city>
          <com:stateOrCountry>GA</com:stateOrCountry>
          <com:zipCode>30308</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>888-798-5802</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DeSieno Alexis</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>8854</noOfUnitsSold>
        <aggregateMarketValue>32468.50</aggregateMarketValue>
        <noOfUnitsOutstanding>50822443</noOfUnitsOutstanding>
        <approxSaleDate>01/03/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/31/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>8854</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Alexis R. Desieno</name>
          <address>
            <com:street1>675 Ponce de Leon Ave. NE</com:street1>
            <com:street2>Suite 4100</com:street2>
            <com:city>Atlanta</com:city>
            <com:stateOrCountry>GA</com:stateOrCountry>
            <com:zipCode>30308</com:zipCode>
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        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>11/15/2024</saleDate>
        <amountOfSecuritiesSold>25118</amountOfSecuritiesSold>
        <grossProceeds>86164.79</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.</remarks>
      <noticeSignature>
        <noticeDate>01/03/2025</noticeDate>
        <signature>/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Alexis R. Desieno</signature>
      </noticeSignature>
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text: 144
  0001987391
  XXXXXXXX
  LIVE
  0001666071
  Cardlytics, Inc.
  001-38386
  675 PONCE DE LEON AVENUE, NE
  SUITE 4100
  ATLANTA
  GA
  30308
  888-798-5802
  DeSieno Alexis
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  8854
  32468.50
  50822443
  01/03/2025
  NASDAQ
  Common
  12/31/2024
  Restricted Stock Vesting
  Issuer
  N
  8854
  12/31/2024
  Compensation
  N
  Alexis R. Desieno
  675 Ponce de Leon Ave. NE
  Suite 4100
  Atlanta
  GA
  30308
  Common
  11/15/2024
  25118
  86164.79
  Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
  01/03/2025
  /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Alexis R. Desieno