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>0001103804</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>VIKING GLOBAL INVESTORS LP</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>J.P. Morgan Securities LLC</name>
  <address>
  <com:street1>383 Madison Avenue</com:street1>
  <com:city>New York</com:city>
  <com:stateOrCountry>NY</com:stateOrCountry>
  <com:zipCode>10179</com:zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>6500000</noOfUnitsSold>
  <aggregateMarketValue>213720000</aggregateMarketValue>
  <noOfUnitsOutstanding>235559170</noOfUnitsOutstanding>
  <approxSaleDate>01/02/2024</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>10/05/2017</acquiredDate>
  <natureOfAcquisitionTransaction>Purchase directly from Issuer</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>25000000</amountOfSecuritiesAcquired>
  <paymentDate>10/05/2017</paymentDate>
  <natureOfPayment>Cash</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>03/31/2022</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired directly from Issuer as dividend in kind payment</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>129867</amountOfSecuritiesAcquired>
  <paymentDate>03/31/2022</paymentDate>
  <natureOfPayment>Dividend paid in kind</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>06/30/2022</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired directly from Issuer as dividend in kind payment</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>171613</amountOfSecuritiesAcquired>
  <paymentDate>06/30/2022</paymentDate>
  <natureOfPayment>Dividend paid in kind</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>09/30/2022</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired directly from Issuer as dividend in kind payment</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>184754</amountOfSecuritiesAcquired>
  <paymentDate>09/30/2022</paymentDate>
  <natureOfPayment>Dividend paid in kind</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>01/03/2023</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired directly from Issuer as dividend in kind payment</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>146145</amountOfSecuritiesAcquired>
  <paymentDate>01/03/2023</paymentDate>
  <natureOfPayment>Dividend paid in kind</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>03/31/2023</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired directly from Issuer as dividend in kind payment</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>124573</amountOfSecuritiesAcquired>
  <paymentDate>03/31/2023</paymentDate>
  <natureOfPayment>Dividend paid in kind</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>06/30/2023</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired directly from Issuer as dividend in kind payment</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>109247</amountOfSecuritiesAcquired>
  <paymentDate>06/30/2023</paymentDate>
  <natureOfPayment>Dividend paid in kind</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>10/02/2023</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired directly from Issuer as dividend in kind payment</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>103283</amountOfSecuritiesAcquired>
  <paymentDate>10/02/2023</paymentDate>
  <natureOfPayment>Dividend paid in kind</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>01/02/2024</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired directly from Issuer as dividend in kind payment</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>84261</amountOfSecuritiesAcquired>
  <paymentDate>01/02/2024</paymentDate>
  <natureOfPayment>Dividend paid in kind</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <remarks>The shares reported herein were sold by the following funds managed by the reporting person:  Viking Global Opportunities Illiquid Investments Sub-Master LP, Viking Global Equities Master Ltd. and Viking Global Equities II LP.</remarks>
  <noticeSignature>
  <noticeDate>01/02/2024</noticeDate>
  <signature>/s/ Scott M. Hendler, Authorized Signatory</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 6902}]
text: 144
  0001103804
  XXXXXXXX
  LIVE
  0001796209
  APi Group Corp
  001-39275
  1100 Old Highway 8 NW
  New Brighton
  MN
  55112
  (651) 636-4320
  VIKING GLOBAL INVESTORS LP
  10% Stockholder
  Common Stock
  J.P. Morgan Securities LLC
  383 Madison Avenue
  New York
  NY
  10179
  6500000
  213720000
  235559170
  01/02/2024
  NYSE
  Common Stock
  10/05/2017
  Purchase directly from Issuer
  Issuer
  N
  25000000
  10/05/2017
  Cash
  Common Stock
  03/31/2022
  Acquired directly from Issuer as dividend in kind payment
  Issuer
  N
  129867
  03/31/2022
  Dividend paid in kind
  Common Stock
  06/30/2022
  Acquired directly from Issuer as dividend in kind payment
  Issuer
  N
  171613
  06/30/2022
  Dividend paid in kind
  Common Stock
  09/30/2022
  Acquired directly from Issuer as dividend in kind payment
  Issuer
  N
  184754
  09/30/2022
  Dividend paid in kind
  Common Stock
  01/03/2023
  Acquired directly from Issuer as dividend in kind payment
  Issuer
  N
  146145
  01/03/2023
  Dividend paid in kind
  Common Stock
  03/31/2023
  Acquired directly from Issuer as dividend in kind payment
  Issuer
  N
  124573
  03/31/2023
  Dividend paid in kind
  Common Stock
  06/30/2023
  Acquired directly from Issuer as dividend in kind payment
  Issuer
  N
  109247
  06/30/2023
  Dividend paid in kind
  Common Stock
  10/02/2023
  Acquired directly from Issuer as dividend in kind payment
  Issuer
  N
  103283
  10/02/2023
  Dividend paid in kind
  Common Stock
  01/02/2024
  Acquired directly from Issuer as dividend in kind payment
  Issuer
  N
  84261
  01/02/2024
  Dividend paid in kind
  Y
  The shares reported herein were sold by the following funds managed by the reporting person:  Viking Global Opportunities Illiquid Investments Sub-Master LP, Viking Global Equities Master Ltd. and Viking Global Equities II LP.
  01/02/2024
  /s/ Scott M. Hendler, Authorized Signatory