Common Status Codes
400bad_request: missing/invalid parameters401unauthorized: missing or invalid API key404not_found: resource does not exist429: rate limited (when enabled)5xx: server error
Retry Guidance
400: do not retry without changing the request.401: rotate/fix your key.404: do not retry (unless you expect eventual consistency).429: retry with backoff.5xx: retry with exponential backoff + jitter.