> ## 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 Video - gptproto

> Bring stories to life with wan 2.5 preview text to video. High-quality cinematic generation with consistent characters and fluid motion from text prompts.

Generate videos 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-video' \
  --header 'Authorization: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
      "prompt": "a cat",
      "negative_prompt": "",
      "audio": "",
      "size": "1280*720",
      "duration": "5",
      "enable_prompt_expansion": "false",
      "seed": -1
  }'
  ```

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

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

  data = {
      "prompt": "a cat",
      "negative_prompt": "",
      "audio": "",
      "size": "1280*720",
      "duration": "5",
      "enable_prompt_expansion": "false",
      "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-video";
  const headers = {
    "Authorization": "YOUR_API_KEY",
    "Content-Type": "application/json"
  };

  const data = {
    "prompt": "a cat",
    "negative_prompt": "",
    "audio": "",
    "size": "1280*720",
    "duration": "5",
    "enable_prompt_expansion": "false",
    "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-video"

      payload := []byte(`{
      "prompt": "a cat",
      "negative_prompt": "",
      "audio": "",
      "size": "1280*720",
      "duration": "5",
      "enable_prompt_expansion": "false",
      "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}
  {
    "task_id": "abc123def456",
    "status": "processing",
    "message": "Video generation task submitted successfully"
  }
  ```

  ```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      | Description                                                                                         |
| ------------------------- | ------- | -------- | ------------ | --------------------------------------------------------------------------------------------------- |
| `prompt`                  | string  | ✅ Yes    | -            | Text description for the video generation, describing the desired scene, actions, and style         |
| `negative_prompt`         | string  | ❌ No     | `""`         | Negative prompt to specify what should not appear in the generated video. Leave empty if not needed |
| `audio`                   | string  | ❌ No     | `""`         | URL of the audio file to be added to the generated video. Leave empty for no audio                  |
| `size`                    | string  | ❌ No     | `"1280*720"` | Video resolution/size. Format: width\*height (e.g., `1280*720`, `1920*1080`)                        |
| `duration`                | string  | ❌ No     | `"5"`        | Duration of the generated video in seconds                                                          |
| `enable_prompt_expansion` | string  | ❌ No     | `"false"`    | Enable automatic prompt expansion and optimization. Set to `"true"` or `"false"`                    |
| `seed`                    | integer | ❌ No     | `-1`         | Random seed for generation reproducibility. Set to `-1` for random generation                       |