We develop a server application that publishes meetings from internal system into YouTube live events. It accesses API on behalf of its only user, the channel owner, and authenticates with both API key and OAuth 2.0 Client ID.
After some testing yesterday YouTube Live Streaming API started returning error userRequestsExceedRateLimit:
{"error": {"code": 403,"message": "User requests exceed the rate limit.","errors": [ {"message": "User requests exceed the rate limit.","domain": "youtube.liveBroadcast","reason": "userRequestsExceedRateLimit" } ] }}We waited one day, but the very first request sent tonight was rejected with the same error. The Quota page in console shows two failed requests, far from reaching any limits:
How to find out which limit has been exceeded?