content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001697591</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001666071</issuerCik>
        <issuerName>Cardlytics, Inc.</issuerName>
        <secFileNumber>001-38386</secFileNumber>
        <issuerAddress>
          <com:street1>675 Ponce de Leon Ave. NE, Suite 4100</com:street1>
          <com:city>Atlanta</com:city>
          <com:stateOrCountry>GA</com:stateOrCountry>
          <com:zipCode>30308</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>8887985802</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>CAS Investment Partners, LLC</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>BTIG, LLC</name>
          <address>
            <com:street1>2 Manhattanville Rd Suite 101</com:street1>
            <com:city>Purchase</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10577</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>842898</noOfUnitsSold>
        <aggregateMarketValue>3447452.80</aggregateMarketValue>
        <noOfUnitsOutstanding>50822443</noOfUnitsOutstanding>
        <approxSaleDate>12/03/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesInformation>
        <securitiesClassTitle>Convertible Senior Notes Due 2029</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>BTIG, LLC</name>
          <address>
            <com:street1>2 Manhattanville Rd Suite 101</com:street1>
            <com:city>Purchase</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10577</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>174872</noOfUnitsSold>
        <aggregateMarketValue>715226.48</aggregateMarketValue>
        <noOfUnitsOutstanding>50822443</noOfUnitsOutstanding>
        <approxSaleDate>12/03/2024</approxSaleDate>
        <securitiesExchangeName>Other</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>04/23/2019</acquiredDate>
        <natureOfAcquisitionTransaction>Open Market Purchases</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>N/A</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>6419733</amountOfSecuritiesAcquired>
        <paymentDate>04/23/2019</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Convertible Senior Notes Due 2029</securitiesClassTitle>
        <acquiredDate>03/27/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Private Offering</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1109878</amountOfSecuritiesAcquired>
        <paymentDate>03/27/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Convertible Senior Notes Due 2029</securitiesClassTitle>
        <acquiredDate>05/09/2024</acquiredDate>
        <natureOfAcquisitionTransaction>via Broker</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>N/A</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>221975</amountOfSecuritiesAcquired>
        <paymentDate>05/09/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>CAS Investment Partners, LLC is the investment manager of Sosin Master, L.P. (Sosin Master) and CSWR Partners, L.P. (CSWR), which are selling the securities reported herein. Sosin Master is proposing to sell 834,552 shares of Common Stock and $3,120,000 principal amount of 4.25 Percent Convertible Senior Notes due 2029 (2029 Notes) referencing 173,141 shares of Common Stock, and CSWR is proposing to sell 8,346 shares of Common Stock and $31,200 principal amount of the 2029 Notes referencing 1,731 shares of Common Stock. The aggregate market values are as of the close of business on 12/02/2024. The number of securities outstanding is as of 10/31/2024. The approximate date of sale is 12/03/2024 through 03/03/2025. The shares of Common Stock acquired on the open market were acquired between 04/23/2019 and 05/13/2024. All amounts related to the 2029 Notes in the tables above represent the number and market value, as applicable, of the shares of Common Stock underlying such 2029 Notes.</remarks>
      <noticeSignature>
        <noticeDate>12/03/2024</noticeDate>
        <signature>Clifford Sosin, as Managing Member</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001697591
  XXXXXXXX
  LIVE
  0001666071
  Cardlytics, Inc.
  001-38386
  675 Ponce de Leon Ave. NE, Suite 4100
  Atlanta
  GA
  30308
  8887985802
  CAS Investment Partners, LLC
  10% Stockholder
  Common Stock
  BTIG, LLC
  2 Manhattanville Rd Suite 101
  Purchase
  NY
  10577
  842898
  3447452.80
  50822443
  12/03/2024
  NASDAQ
  Convertible Senior Notes Due 2029
  BTIG, LLC
  2 Manhattanville Rd Suite 101
  Purchase
  NY
  10577
  174872
  715226.48
  50822443
  12/03/2024
  Other
  Common Stock
  04/23/2019
  Open Market Purchases
  N/A
  N
  6419733
  04/23/2019
  Cash
  Convertible Senior Notes Due 2029
  03/27/2024
  Private Offering
  Issuer
  N
  1109878
  03/27/2024
  Cash
  Convertible Senior Notes Due 2029
  05/09/2024
  via Broker
  N/A
  N
  221975
  05/09/2024
  Cash
  Y
  CAS Investment Partners, LLC is the investment manager of Sosin Master, L.P. (Sosin Master) and CSWR Partners, L.P. (CSWR), which are selling the securities reported herein. Sosin Master is proposing to sell 834,552 shares of Common Stock and $3,120,000 principal amount of 4.25 Percent Convertible Senior Notes due 2029 (2029 Notes) referencing 173,141 shares of Common Stock, and CSWR is proposing to sell 8,346 shares of Common Stock and $31,200 principal amount of the 2029 Notes referencing 1,731 shares of Common Stock. The aggregate market values are as of the close of business on 12/02/2024. The number of securities outstanding is as of 10/31/2024. The approximate date of sale is 12/03/2024 through 03/03/2025. The shares of Common Stock acquired on the open market were acquired between 04/23/2019 and 05/13/2024. All amounts related to the 2029 Notes in the tables above represent the number and market value, as applicable, of the shares of Common Stock underlying such 2029 Notes.
  12/03/2024
  Clifford Sosin, as Managing Member