Error Codes

Structured errors returned by the API.

Code	Meaning
`invalid_api_key`	Authentication failed for API key or bearer token.
`rate_limit_exceeded`	Per-minute or plan quota exceeded.
`invalid_source`	Input source is neither valid HTML nor valid URL.
`render_timeout`	Renderer timed out before PDF generation completed.
`render_failed`	Unexpected render/runtime failure.
`invalid_option`	Payload field value is not supported or malformed.