<?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>
          <!-- Field: Pseudo-Tag; ID: Name; Data: MEF Holdings, LLLP -->
          <cik>0001725761</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001796209</issuerCik>
      <issuerName>APi Group Corp</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>MEF Holdings, LLLP</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>J.P. Morgan Securities LLC</name>
        <address>
          <com:street1>270 Park Ave, 10th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10017</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>3000000</noOfUnitsSold>
      <aggregateMarketValue>123570000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>431456087</noOfUnitsOutstanding>
      <approxSaleDate>03/19/2026</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/02/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Indirectly Acquired from Issuer</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>APi Group Corp.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>993366</amountOfSecuritiesAcquired>
      <paymentDate>10/02/2019</paymentDate>
      <natureOfPayment>Indirectly Acquired from Issuer</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>10/10/2017</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Dividend on the Preferred Stock Indirectly Received Directly from Issuer</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>APi Group Corp.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2006634</amountOfSecuritiesAcquired>
      <paymentDate>10/10/2017</paymentDate>
      <natureOfPayment>Stock Dividend on the Preferred Stock Indirectly Received Directly from Issuer</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>03/19/2026</noticeDate>
      <signature>/s/ Desiree DeStefano</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
