Use MiniMax H3 with Comfy Router

Use minimax/minimax-h3 with the Comfy Router API. MiniMax provides the model; Router gives it the shared authentication and request route below.

Quick start

Create a key at platform.comfy.org/profile/api-keys and export it as COMFY_API_KEY. The Python and TypeScript snippets use the Comfy SDKs (pip install comfy-sdk, npm install @comfyorg/sdk); the cURL snippet is the same call over raw HTTP. Model ID: minimax/minimax-h3 Endpoint: POST https://api.comfy.org/v2/models/minimax/minimax-h3

import uuid
from comfy_sdk import Comfy

# Reads COMFY_API_KEY from the environment. Save this key and reuse it if you
# retry this request after the SDK returns an error.
idempotency_key = str(uuid.uuid4())
with Comfy() as client:
    result = client.models.run(
        "minimax/minimax-h3",
        {
            # Request fields are the provider's own — see Input below.
        },
        idempotency_key=idempotency_key,
    )

print(result)

import { comfy } from "@comfyorg/sdk";

// Reads COMFY_API_KEY from the environment. Save this key and reuse it if you
// retry this request after the SDK returns an error.
const idempotencyKey = crypto.randomUUID();
const { data } = await comfy.models.run("minimax/minimax-h3", {
  // Request fields are the provider's own — see Input below.
}, { idempotencyKey });

console.log(data);

# Request fields are the provider's own — see Input below.
# Run this line once. Reuse ROUTER_REQUEST_KEY if you retry the curl command.
ROUTER_REQUEST_KEY=$(uuidgen)
curl https://api.comfy.org/v2/models/minimax/minimax-h3 \
  -H "X-API-Key: $COMFY_API_KEY" \
  -H "Idempotency-Key: $ROUTER_REQUEST_KEY" \
  -H "Content-Type: application/json" \
  -d '{}'

Schema

Input

Router has not published an authored input schema for this model yet: GET /v2/models/minimax/minimax-h3/openapi.json returns an open object with x-comfy-input-schema-authored: false. Router forwards the body to MiniMax unchanged, so MiniMax’s own API reference is authoritative for the request fields, and nothing is validated server side.

Output

object

A Minimax V2 video generation task.

object

Generated output; present when status is succeeded.

string

The enhanced video prompt produced by a succeeded h3_context_ir task.

string

Time-limited URL of the generated MP4. Query again for a refreshed URL.

number

The duration of the generated video in seconds.

object

Error details when status is failed; carries code and message.

string

The task ID.

string

The model used for the task.

string

The actual aspect ratio of the generated video.

string

The resolution of the generated video.

string

Task status. Options: queued, running, succeeded, failed, cancelled, expired.

string

The type of the task.

object

Usage recorded for the task.

integer

number

integer

number

integer

Examples

Output

{
  "task": {
    "content": {
      "url": "https://example.invalid/minimax/minimax-h3/generated.mp4"
    },
    "duration": 6,
    "id": "3f7a1b28-5c0d-4e91-8a6f-1b2c3d4e5f60",
    "model": "MiniMax-H3",
    "ratio": "16:9",
    "resolution": "768P",
    "status": "succeeded",
    "usage": {
      "output_seconds": 6,
      "total_seconds": 6
    }
  }
}

Before you ship

Save one Idempotency-Key for each call and reuse it for retries. Router can hold the connection for up to 10 minutes. The SDKs handle authentication; raw HTTP clients send the headers themselves. Use X-Comfy-Error-Type to classify a failure. A 422 means Router rejected the input before calling the provider. Download generated assets promptly because result URLs can expire.

Headers

Authentication, idempotency, request IDs, error buckets, retry pacing, spend limits.

Using the Router API

Find models, inspect schemas, and retry safely.

Limitations

What Router does not do today, and what to use instead.

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Specifications

Use MiniMax H3 with Comfy Router

Quick start

Schema

Input

Output

Examples

Output

Before you ship

Headers

Using the Router API

Limitations

​Quick start

​Schema

​Input

​Output

​Examples

​Output

​Before you ship

Headers

Using the Router API

Limitations

Quick start

Schema

Input

Output

Examples

Output

Before you ship