Intermittent 503 UNAVAILABLE (“Deadline expired before operation could complete”)

Gemini API
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1

Hi team,
I’m intermittently getting this Gemini API error since March 9, 2026:

{"error":{"code":503,"message":"Deadline expired before operation could complete.","status":"UNAVAILABLE"}}

It happens during generation requests from my app

Could you confirm whether this is a known service-side issue, and share recommended timeout/retry settings for this case?

2

I am also experiencing this. Any solution?