> ## Documentation Index
> Fetch the complete documentation index at: https://docs.comfy.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Use Qwen Image 3.0 Pro with Comfy Router

> Call qwen/qwen-image-3.0-pro through Comfy Router: endpoint, request shape and the response Router returns.

API Reference for `qwen/qwen-image-3.0-pro`, served by Comfy Router from Qwen.

## Quick start

Create a key at [platform.comfy.org/profile/api-keys](https://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:** `qwen/qwen-image-3.0-pro`

**Endpoint:** `POST https://api.comfy.org/v2/models/qwen/qwen-image-3.0-pro`

<CodeGroup>
  ```python Python theme={null}
  from comfy_sdk import Comfy

  # Reads COMFY_API_KEY from the environment. Each call sends a fresh
  # Idempotency-Key and waits up to 10 minutes for the finished result.
  with Comfy() as client:
      result = client.models.run(
          "qwen/qwen-image-3.0-pro",
          {
              # Request fields are the provider's own — see Input below.
          },
      )

  print(result)
  ```

  ```typescript TypeScript theme={null}
  import { comfy } from "@comfyorg/sdk";

  // Reads COMFY_API_KEY from the environment. Each call sends a fresh
  // Idempotency-Key and waits up to 10 minutes for the finished result.
  const { data } = await comfy.models.run("qwen/qwen-image-3.0-pro", {
    // Request fields are the provider's own — see Input below.
  });

  console.log(data);
  ```

  ```bash cURL theme={null}
  # Request fields are the provider's own — see Input below.
  curl https://api.comfy.org/v2/models/qwen/qwen-image-3.0-pro \
    -H "X-API-Key: $COMFY_API_KEY" \
    -H "Idempotency-Key: $(uuidgen)" \
    -H "Content-Type: application/json" \
    -d '{}'
  ```
</CodeGroup>

## Schema

### Input

<Note>
  Router has not published an authored input schema for this model yet: `GET /v2/models/qwen/qwen-image-3.0-pro/openapi.json` returns an open object with `x-comfy-input-schema-authored: false`. Router forwards the body to Qwen unchanged, so Qwen's own API documentation is authoritative for the request fields, and nothing is validated server side.
</Note>

### Output

<ResponseField name="code" type="string">
  The error code for the failed request (not returned if request is successful)
</ResponseField>

<ResponseField name="message" type="string">
  Detailed information about the failed request (not returned if request is successful)
</ResponseField>

<ResponseField name="output" type="object">
  Contains the model generation results
</ResponseField>

<ResponseField name="output.choices" type="object[]">
  The list of result options
</ResponseField>

<ResponseField name="output.choices[].finish_reason" type="string">
  The reason why the task stopped. The value is stop when the task completes normally
</ResponseField>

<ResponseField name="output.choices[].message" type="object">
  The message returned by the model
</ResponseField>

<ResponseField name="output.choices[].message.content" type="object[]">
  The message content containing the generated image information
</ResponseField>

<ResponseField name="output.choices[].message.content[].image" type="string">
  The URL of the generated image in PNG format. The link is valid for 24 hours
</ResponseField>

<ResponseField name="output.choices[].message.content[].text" type="string">
  A textual element returned in place of an image. An element carrying only this field produced NO asset, so a caller keys completion off `image` rather than off the presence of a content element
</ResponseField>

<ResponseField name="output.choices[].message.role" type="string">
  The role of the message. Fixed as assistant
</ResponseField>

<ResponseField name="request_id" type="string">
  Unique request identifier
</ResponseField>

<ResponseField name="usage" type="object">
  The resource usage of this call. Only returned on success
</ResponseField>

<ResponseField name="usage.input_image_count" type="integer">
  The number of input images in the request. Returns 0 for text-to-image
</ResponseField>

<ResponseField name="usage.input_image_type" type="string">
  The input image billing tier, qima\_input\_1k or qima\_input\_2k, determined by the output resolution pixel area
</ResponseField>

<ResponseField name="usage.output_height" type="integer">
  The height of the final output image in pixels
</ResponseField>

<ResponseField name="usage.output_image_count" type="integer">
  The actual number of output images returned
</ResponseField>

<ResponseField name="usage.output_image_type" type="string">
  The output image billing tier, qima\_output\_1k or qima\_output\_2k, determined by the output resolution pixel area
</ResponseField>

<ResponseField name="usage.output_width" type="integer">
  The width of the final output image in pixels
</ResponseField>

## Examples

### Output

```json theme={null}
{
  "output": {
    "choices": [
      {
        "finish_reason": "stop",
        "message": {
          "content": [
            {
              "image": "https://example.invalid/qwen/generated.png"
            }
          ],
          "role": "assistant"
        }
      }
    ]
  },
  "request_id": "9f2c1b3a-5d4e-4a67-8b90-1c2d3e4f5a6b",
  "usage": {
    "input_image_count": 0,
    "output_height": 512,
    "output_image_count": 1,
    "output_image_type": "qima_output_1k",
    "output_width": 512
  }
}
```

## Before you ship

The snippets above are the shortest working call. Three things are the same for every model and are documented once on the [Comfy Router headers](/development/comfy-router/headers) page: send an `Idempotency-Key` on every paid call and reuse it when you retry, expect the connection to be held up to Router's 10 minute deadline, and keep `X-Comfy-Request-Id` from every response. The SDKs do all three for you; the cURL tab does none of them. On failure, `X-Comfy-Error-Type` names the bucket, and a `422` means the body failed the model's schema and was never billed.

<CardGroup cols={3}>
  <Card title="Headers" icon="list" href="/development/comfy-router/headers">
    Authentication, idempotency, request IDs, error buckets, retry pacing, spend limits.
  </Card>

  <Card title="Quick Start" icon="rocket" href="/development/comfy-router/quickstart">
    Typed error handling in Python and TypeScript, reading the 422, walking the catalog.
  </Card>

  <Card title="Limitations" icon="triangle-exclamation" href="/development/comfy-router/limitations">
    What Router does not do today, and what to use instead.
  </Card>
</CardGroup>