Error handling

Status	Meaning	Action
400	Invalid request or unsupported field/model combination	Check the response body and request schema
401	Missing, invalid, or disabled key	Check the host and authorization header
403	Key lacks model or group permission	Use an allowed model or update the key
429	Quota or rate limit	Inspect balance and retry-after; do not retry exhausted quota
500–504 / 529	Gateway or upstream failure	Retry idempotent requests with capped exponential backoff

When contacting support, include the timestamp, endpoint, HTTP status, model, and request ID. Never include the complete API key or private prompt content.