Errors

All Kling-compatible video endpoints use the same error format and error types.

Error Format

json

{
  "error": {
    "type": "invalid_request",
    "message": "invalid request parameter"
  }
}

HTTP status	`error.type`	Typical meaning
`400`	`invalid_request`	Invalid JSON or request parameter.
`401`	`unauthorized`	Missing or invalid API key.
`402`	`quota_exhausted`	Quota or balance exhausted.
`403`	`forbidden`	Token disabled, expired, or not allowed.
`404`	`task_not_found`	Task not found.
`429`	`rate_limited`	Too many requests.
`502`	`upstream_error`	Upstream submit or query failure.
`503`	`no_channel` / `async_task_unavailable`	No available channel or async task service unavailable.