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>0001833465</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001422930</issuerCik>
        <issuerName>PubMatic, Inc.</issuerName>
        <secFileNumber>001-39748</secFileNumber>
        <issuerAddress>
          <com:street1>3 Lagooon Drive</com:street1>
          <com:street2>Suite 180</com:street2>
          <com:city>REDWOOD CITY</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94065</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>650-331-3485</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Pantelick Steven</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Morgan Stanley Smith Barney LLC</name>
          <address>
            <com:street1>1 New York Plaza</com:street1>
            <com:street2>38th Floor</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10004</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>15000</noOfUnitsSold>
        <aggregateMarketValue>272659.50</aggregateMarketValue>
        <noOfUnitsOutstanding>42687521</noOfUnitsOutstanding>
        <approxSaleDate>06/02/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>07/01/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of options under a registered plan</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3125</amountOfSecuritiesAcquired>
        <paymentDate>07/01/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/10/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of options under a registered plan</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>9375</amountOfSecuritiesAcquired>
        <paymentDate>06/01/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/08/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of options under a registered plan</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1075</amountOfSecuritiesAcquired>
        <paymentDate>03/08/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/08/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Exercise of options under a registered plan</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1425</amountOfSecuritiesAcquired>
        <paymentDate>03/08/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Steve Pantelick</name>
          <address>
            <com:street1>3 Lagoon Drive</com:street1>
            <com:street2>Suite 180</com:street2>
            <com:city>Redwood City</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94065</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>05/31/2023</saleDate>
        <amountOfSecuritiesSold>6141</amountOfSecuritiesSold>
        <grossProceeds>108209.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Steve Pantelick</name>
          <address>
            <com:street1>3 Lagoon Drive</com:street1>
            <com:street2>Suite 180</com:street2>
            <com:city>Redwood CIty</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94065</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>04/05/2023</saleDate>
        <amountOfSecuritiesSold>4673</amountOfSecuritiesSold>
        <grossProceeds>62550.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Steve Plantelick</name>
          <address>
            <com:street1>3 Lagoon Drive</com:street1>
            <com:street2>Suite 180</com:street2>
            <com:city>Redwood City</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94065</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>04/03/2023</saleDate>
        <amountOfSecuritiesSold>6049</amountOfSecuritiesSold>
        <grossProceeds>82875.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>Amended filing to reflect correct, acquisition dates and lots.</remarks>
      <noticeSignature>
        <noticeDate>06/06/2023</noticeDate>
        <signature>/s/ Steve M Pantelick</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 6448}]
text: 144
  0001833465
  XXXXXXXX
  LIVE
  0001422930
  PubMatic, Inc.
  001-39748
  3 Lagooon Drive
  Suite 180
  REDWOOD CITY
  CA
  94065
  650-331-3485
  Pantelick Steven
  Officer
  Common
  Morgan Stanley Smith Barney LLC
  1 New York Plaza
  38th Floor
  New York
  NY
  10004
  15000
  272659.50
  42687521
  06/02/2023
  NASDAQ
  Common
  07/01/2022
  Exercise of options under a registered plan
  Issuer
  N
  3125
  07/01/2022
  Cash
  Common
  06/10/2022
  Exercise of options under a registered plan
  Issuer
  N
  9375
  06/01/2022
  Cash
  Common
  03/08/2022
  Exercise of options under a registered plan
  Issuer
  N
  1075
  03/08/2022
  Cash
  Common
  03/08/2022
  Exercise of options under a registered plan
  Issuer
  N
  1425
  03/08/2022
  Cash
  N
  Steve Pantelick
  3 Lagoon Drive
  Suite 180
  Redwood City
  CA
  94065
  Common
  05/31/2023
  6141
  108209.00
  Steve Pantelick
  3 Lagoon Drive
  Suite 180
  Redwood CIty
  CA
  94065
  Common
  04/05/2023
  4673
  62550.00
  Steve Plantelick
  3 Lagoon Drive
  Suite 180
  Redwood City
  CA
  94065
  Common
  04/03/2023
  6049
  82875.00
  Amended filing to reflect correct, acquisition dates and lots.
  06/06/2023
  /s/ Steve M Pantelick