API Reference

Get one ComfyUI node info

Return the definition for one ComfyUI node class.

GET/v1/api/comfy/object-info/{className}

Request example

bash

curl --request GET   --url "$NORDY_BASE_URL/v1/api/comfy/object-info/CheckpointLoaderSimple"   --header "api-key: $NORDY_API_KEY"

Success response200 OK

JSON

{
  "CheckpointLoaderSimple": {
    "input": {
      "required": {
        "ckpt_name": [
          ["dreamshaper_8.safetensors"]
        ]
      }
    },
    "output": ["MODEL", "CLIP", "VAE"],
    "name": "CheckpointLoaderSimple"
  }
}

Authentication

api-keystringrequired

Send the user API key in the api-key request header.

Parameters

If-None-Matchstringheaderoptional: If the response includes an ETag, send it in If-None-Match on the next request.
classNamestringpathrequired: URL-encoded ComfyUI node class name; . and .. are not accepted.

Success response

200 OK Returns an object keyed by the requested class, or {} when the class is not installed.

<className>objectresponseoptional: Input and output definitions for the ComfyUI node class.

Responses and errors

Status	Code	Description
304	—	When conditional requests are supported and the ETag matches, no response body is returned.
400	INVALID_INPUT	className is not a valid single path segment.
400	MULTIPLE_AUTH_CREDENTIALS	Send only the api-key header, without login cookies.
401	AUTHENTICATION_REQUIRED	Missing or invalid API key.
403	USER_SUSPENDED, PRO_SUBSCRIPTION_REQUIRED, INVALID_INPUT	Your account is suspended, does not have an active Pro subscription, or is not permitted to use the API.
500	INTERNAL_ERROR	An error occurred while processing the request.
502 / 504	INTERNAL_ERROR	The service could not be reached or the request timed out.
Other	—	ComfyUI may return other status codes and response bodies.