<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <!-- Generated by Workiva -->
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001164470</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001796209</issuerCik>
      <issuerName>APi Group Corporation</issuerName>
      <secFileNumber>001-39275</secFileNumber>
      <issuerAddress>
        <com:street1>1100 Old Highway 8 NW</com:street1>
        <com:city>New Brighton</com:city>
        <com:stateOrCountry>MN</com:stateOrCountry>
        <com:zipCode>55112</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>651-636-4320</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>James E. Lillie</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>J.P. Morgan Securities LLC</name>
        <address>
          <com:street1>390 Madison Avenue, 6th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10017</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>250000</noOfUnitsSold>
      <aggregateMarketValue>8615000</aggregateMarketValue>
      <noOfUnitsOutstanding>415888477</noOfUnitsOutstanding>
      <approxSaleDate>08/11/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/02/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Transfer to JTOO LLC</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Indirectly acquired directly from Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>190000</amountOfSecuritiesAcquired>
      <paymentDate>10/02/2019</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/02/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Transfer to James Lillie and Lisa Sheffield</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Indirectly acquired directly from Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>50000</amountOfSecuritiesAcquired>
      <paymentDate>10/02/2019</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/10/2017</acquiredDate>
      <natureOfAcquisitionTransaction>Transfer to Lillie Family Foundation</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Indirectly acquired directly from Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>10000</amountOfSecuritiesAcquired>
      <paymentDate>10/10/2017</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Of the shares filed today, 190,000 shares will be sold by the JTOO LLC,  James E. Lillie as Manager and 50,000 shares will be sold by James Lillie and Lisa Sheffield and10,000 shares by Lillie Family Foundation</remarks>
    <noticeSignature>
      <noticeDate>08/11/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/08/2025</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for James E. Lillie</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
