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400001 InvalidResourceIdentifier

The request contains an invalid or malformed resource ID (for example, a wrong model_id). Use the exact identifier as shown on the model’s detail page in the Playground. Alt RunComfy model id

403001 PermissionDeniedError

The resource exists but is not accessible to the authenticated user (e.g., the request_id belongs to another user). Use the owner’s credentials or obtain access, then retry.

404001 ResourceNotFound

The specified resource cannot be found (e.g., a nonexistent, deleted, or expired request_id). Confirm the identifier and that it belongs to your account before retrying.

400002 InsufficientResources

Your account has no remaining balance to run this operation.

400004 UserAccountError

Authentication or account state is invalid, missing/expired token, revoked credentials, or an inactive account. Send a valid Authorization: Bearer <token> and ensure the account is active.