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

# Wan-2.5-Preview - Text To Image - gptproto

> Generate stunning visuals with wan 2.5 preview text to image. Turn descriptive prompts into high-resolution, photorealistic digital art and illustrations.

Generate images from text prompts using Qwen's wan-2.5-preview model with GPTProto format API.

<CodeGroup>
  ```bash cURL theme={null}
  curl --location 'https://gptproto.com/api/v3/alibaba/wan-2.5-preview/text-to-image' \
  --header 'Authorization: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
      "prompt": "a cat",
      "size": "1024*1024",
      "resolution": "720p",
      "enable_prompt_expansion": "false",
      "negative_prompt": "",
      "seed": -1
  }'
  ```

  ```python Python theme={null}
  import requests
  import json

  url = "https://gptproto.com/api/v3/alibaba/wan-2.5-preview/text-to-image"
  headers = {
      "Authorization": "YOUR_API_KEY",
      "Content-Type": "application/json"
  }

  data = {
      "prompt": "a cat",
      "size": "1024*1024",
      "resolution": "720p",
      "enable_prompt_expansion": "false",
      "negative_prompt": "",
      "seed": -1
  }

  response = requests.post(url, headers=headers, json=data)
  result = response.json()
  print(json.dumps(result, indent=2))
  ```

  ```javascript JavaScript theme={null}
  const url = "https://gptproto.com/api/v3/alibaba/wan-2.5-preview/text-to-image";
  const headers = {
    "Authorization": "YOUR_API_KEY",
    "Content-Type": "application/json"
  };

  const data = {
    "prompt": "a cat",
    "size": "1024*1024",
    "resolution": "720p",
    "enable_prompt_expansion": "false",
    "negative_prompt": "",
    "seed": -1
  };

  fetch(url, {
    method: "POST",
    headers: headers,
    body: JSON.stringify(data)
  })
    .then(response => response.json())
    .then(data => console.log(data))
    .catch(error => console.error("Error:", error));
  ```

  ```go Go theme={null}
  package main

  import (
      "bytes"
      "encoding/json"
      "fmt"
      "io/ioutil"
      "net/http"
  )

  func main() {
      url := "https://gptproto.com/api/v3/alibaba/wan-2.5-preview/text-to-image"

      payload := []byte(`{
      "prompt": "a cat",
      "size": "1024*1024",
      "resolution": "720p",
      "enable_prompt_expansion": "false",
      "negative_prompt": "",
      "seed": -1
  }`)

      req, _ := http.NewRequest("POST", url, bytes.NewBuffer(payload))
      req.Header.Set("Authorization", "YOUR_API_KEY")
      req.Header.Set("Content-Type", "application/json")

      client := &http.Client{}
      resp, err := client.Do(req)
      if err != nil {
          panic(err)
      }
      defer resp.Body.Close()

      body, _ := ioutil.ReadAll(resp.Body)
      fmt.Println(string(body))
  }
  ```
</CodeGroup>

## Response

<CodeGroup>
  ```json 200 - Success theme={null}
  {
    "data": {
      "id": "5d87273c75ea40f19a34dea994276673",
      "model": "alibaba/wan-2.5-preview/text-to-image",
      "outputs": [],
      "urls": {
        "get": "https://gptproto.com/api/v3/predictions/5d87273c75ea40f19a34dea994276673/result"
      },
      "hasNsfwContents": [],
      "status": "created",
      "createdAt": "2025-11-10T09:50:05.977Z",
      "error": "",
      "executionTime": 0,
      "timings": {
        "inference": 0
      }
    },
    "message": "success",
    "code": 200
  }
  ```

  ```json 401 - Invalid signature theme={null}
  {
    "error": {
      "message": "Invalid signature",
      "type": "401"
    }
  }
  ```

  ```json 403 - Insufficient balance theme={null}
  {
    "error": {
      "message": "Insufficient balance",
      "type": "403"
    }
  }
  ```

  ```json 500 - Internal server error theme={null}
  {
    "error": {
      "message": "Internal server error",
      "type": "500"
    }
  }
  ```

  ```json 503 - Content policy violation theme={null}
  {
    "error": {
      "message": "Input may not meet the guidelines. Please adjust and try again.",
      "type": "503"
    }
  }
  ```
</CodeGroup>

## Parameters

| Parameter                 | Type    | Required | Default       | Range                     | Description                                                                      |
| ------------------------- | ------- | -------- | ------------- | ------------------------- | -------------------------------------------------------------------------------- |
| `prompt`                  | string  | ✅ Yes    | -             | -                         | Text description for the image generation                                        |
| `size`                    | string  | ❌ No     | `"1024*1024"` | 768 \~ 1440 per dimension | The size of the generated image in pixels (width\*height)                        |
| `resolution`              | string  | ❌ No     | `"720p"`      | -                         | Output resolution quality setting                                                |
| `enable_prompt_expansion` | string  | ❌ No     | `"false"`     | -                         | Enable automatic prompt expansion and optimization. Set to `"true"` or `"false"` |
| `negative_prompt`         | string  | ❌ No     | `""`          | -                         | Negative prompt to specify what should not appear in the generated image         |
| `seed`                    | integer | ❌ No     | `-1`          | `-1` \~ `2147483647`      | Random seed for generation reproducibility. Set to `-1` for random generation    |