HTTP 429
authentication_rate_limit_exceededToo many authentication failures
Too many failed authentication attempts came from this address.
Resolution
Wait for the rate-limit window to reset before trying again.
Response handling
Keep the response's request_id for diagnostics. Retry only transient 429 and 503 responses, using the rate-limit headers and exponential backoff with jitter. Correct 400, 401, and 403 requests before retrying.