GCM response code is 503 service Unavailable, after calling cURL

[ester...@gmail.com]

i had a GCM project that was used to send data between devices, and it worked for a year now.

Suddenly today, out of nowhere, every message that GCM sends fails with the 503 error code, after calling curl_exec();

what can i do ?

[Diego Giorgini]

The HTTP 503 "Service Unavailable" server error response code indicates that the server is not ready to handle the request.

I suggest to double check the DNS (if possible use the Google DNS: 8.8.8.8) to ensure you are talking to a correct Google server.

If the issue persist please open a ticket on Firebase support including your project and the JSON request you are sending.

-

Diego

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[Massimiliano]

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