API reference

Errors

Every error code the gateway returns and what to do about it.

Error codes

400	Invalid request or unsupported parameter.
401	Invalid or missing API key.
402	Insufficient balance or key quota exceeded — top up to continue.
404	Unknown model id.
429	Per-key RPM limit exceeded — see the Retry-After header.
5xx	Upstream issue — Kumo auto-fails-over across channels; 502 if all attempts fail, 503 no_available_channel if every channel is disabled.