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

# Wan2.6 Video Generation

>  - Alibaba Cloud Wanxiang video generation model
- Supports Text-to-Video and Image-to-Video
- Supports 720p/1080p resolution, 5/10/15 seconds duration
- Supports automatic prompt extension and audio generation 

<RequestExample>
  ```bash cURL theme={null}
  curl --request POST \
    --url https://api.apimart.ai/v1/videos/generations \
    --header 'Authorization: Bearer <token>' \
    --header 'Content-Type: application/json' \
    --data '{
      "model": "wan2.6",
      "prompt": "A cute cat running on the grass",
      "aspect_ratio": "16:9",
      "resolution": "720p",
      "duration": 5
    }'
  ```

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

  url = "https://api.apimart.ai/v1/videos/generations"

  payload = {
      "model": "wan2.6",
      "prompt": "A cute cat running on the grass",
      "aspect_ratio": "16:9",
      "resolution": "720p",
      "duration": 5
  }

  headers = {
      "Authorization": "Bearer <token>",
      "Content-Type": "application/json"
  }

  response = requests.post(url, json=payload, headers=headers)

  print(response.json())
  ```

  ```javascript JavaScript theme={null}
  const url = "https://api.apimart.ai/v1/videos/generations";

  const payload = {
    model: "wan2.6",
    prompt: "A cute cat running on the grass",
    aspect_ratio: "16:9",
    resolution: "720p",
    duration: 5
  };

  const headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
  };

  fetch(url, {
    method: "POST",
    headers: headers,
    body: JSON.stringify(payload)
  })
    .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://api.apimart.ai/v1/videos/generations"

      payload := map[string]interface{}{
          "model":        "wan2.6",
          "prompt":       "A cute cat running on the grass",
          "aspect_ratio": "16:9",
          "resolution":   "720p",
          "duration":     5,
      }

      jsonData, _ := json.Marshal(payload)

      req, _ := http.NewRequest("POST", url, bytes.NewBuffer(jsonData))
      req.Header.Set("Authorization", "Bearer <token>")
      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))
  }
  ```

  ```java Java theme={null}
  import java.net.http.HttpClient;
  import java.net.http.HttpRequest;
  import java.net.http.HttpResponse;
  import java.net.URI;

  public class Main {
      public static void main(String[] args) throws Exception {
          String url = "https://api.apimart.ai/v1/videos/generations";

          String payload = """
          {
            "model": "wan2.6",
            "prompt": "A cute cat running on the grass",
            "aspect_ratio": "16:9",
            "resolution": "720p",
            "duration": 5
          }
          """;

          HttpClient client = HttpClient.newHttpClient();
          HttpRequest request = HttpRequest.newBuilder()
              .uri(URI.create(url))
              .header("Authorization", "Bearer <token>")
              .header("Content-Type", "application/json")
              .POST(HttpRequest.BodyPublishers.ofString(payload))
              .build();

          HttpResponse<String> response = client.send(request,
              HttpResponse.BodyHandlers.ofString());

          System.out.println(response.body());
      }
  }
  ```

  ```php PHP theme={null}
  <?php

  $url = "https://api.apimart.ai/v1/videos/generations";

  $payload = [
      "model" => "wan2.6",
      "prompt" => "A cute cat running on the grass",
      "aspect_ratio" => "16:9",
      "resolution" => "720p",
      "duration" => 5
  ];

  $ch = curl_init($url);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_setopt($ch, CURLOPT_POST, true);
  curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
  curl_setopt($ch, CURLOPT_HTTPHEADER, [
      "Authorization: Bearer <token>",
      "Content-Type: application/json"
  ]);

  $response = curl_exec($ch);
  curl_close($ch);

  echo $response;
  ?>
  ```

  ```ruby Ruby theme={null}
  require 'net/http'
  require 'json'
  require 'uri'

  url = URI("https://api.apimart.ai/v1/videos/generations")

  payload = {
    model: "wan2.6",
    prompt: "A cute cat running on the grass",
    aspect_ratio: "16:9",
    resolution: "720p",
    duration: 5
  }

  http = Net::HTTP.new(url.host, url.port)
  http.use_ssl = true

  request = Net::HTTP::Post.new(url)
  request["Authorization"] = "Bearer <token>"
  request["Content-Type"] = "application/json"
  request.body = payload.to_json

  response = http.request(request)
  puts response.body
  ```

  ```swift Swift theme={null}
  import Foundation

  let url = URL(string: "https://api.apimart.ai/v1/videos/generations")!

  let payload: [String: Any] = [
      "model": "wan2.6",
      "prompt": "A cute cat running on the grass",
      "aspect_ratio": "16:9",
      "resolution": "720p",
      "duration": 5
  ]

  var request = URLRequest(url: url)
  request.httpMethod = "POST"
  request.setValue("Bearer <token>", forHTTPHeaderField: "Authorization")
  request.setValue("application/json", forHTTPHeaderField: "Content-Type")
  request.httpBody = try? JSONSerialization.data(withJSONObject: payload)

  let task = URLSession.shared.dataTask(with: request) { data, response, error in
      if let error = error {
          print("Error: \(error)")
          return
      }

      if let data = data, let responseString = String(data: data, encoding: .utf8) {
          print(responseString)
      }
  }

  task.resume()
  ```

  ```csharp C# theme={null}
  using System;
  using System.Net.Http;
  using System.Text;
  using System.Threading.Tasks;

  class Program
  {
      static async Task Main(string[] args)
      {
          var url = "https://api.apimart.ai/v1/videos/generations";

          var payload = @"{
              ""model"": ""wan2.6"",
              ""prompt"": ""A cute cat running on the grass"",
              ""aspect_ratio"": ""16:9"",
              ""resolution"": ""720p"",
              ""duration"": 5
          }";

          using var client = new HttpClient();
          client.DefaultRequestHeaders.Add("Authorization", "Bearer <token>");

          var content = new StringContent(payload, Encoding.UTF8, "application/json");
          var response = await client.PostAsync(url, content);
          var result = await response.Content.ReadAsStringAsync();

          Console.WriteLine(result);
      }
  }
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {
    "code": 200,
    "data": [
      {
        "status": "submitted",
        "task_id": "task_01J9HA7JPQ9A0Z6JZ3V8M9W6PZ"
      }
    ]
  }
  ```

  ```json 400 theme={null}
  {
    "error": {
      "code": 400,
      "message": "Invalid request parameters",
      "type": "invalid_request_error"
    }
  }
  ```

  ```json 401 theme={null}
  {
    "error": {
      "code": 401,
      "message": "Invalid authentication credentials",
      "type": "authentication_error"
    }
  }
  ```

  ```json 402 theme={null}
  {
    "error": {
      "code": 402,
      "message": "Insufficient balance. Please top up your account",
      "type": "payment_required"
    }
  }
  ```

  ```json 429 theme={null}
  {
    "error": {
      "code": 429,
      "message": "Rate limit exceeded. Please try again later",
      "type": "rate_limit_error"
    }
  }
  ```

  ```json 500 theme={null}
  {
    "error": {
      "code": 500,
      "message": "Internal server error. Please try again later",
      "type": "server_error"
    }
  }
  ```
</ResponseExample>

## Authorization

<ParamField header="Authorization" type="string" required>
  All API endpoints require Bearer Token authentication

  Get your API Key:

  Visit the [API Key Management Page](https://apimart.ai/keys) to get your API Key

  Add it to the request header:

  ```
  Authorization: Bearer YOUR_API_KEY
  ```
</ParamField>

## Request Parameters

<ParamField body="model" type="string" required>
  Video generation model name, fixed as `wan2.6`
</ParamField>

<ParamField body="prompt" type="string" required>
  Video content description

  Required for text-to-video mode. Describe scenes, actions, and styles in detail for better results

  Example: `"A cute cat stretching in the sunlight"`
</ParamField>

<ParamField body="image_urls" type="array<url>">
  Reference image URL array (only 1 image supported)

  Required for image-to-video mode. Supports publicly accessible image URLs

  Example: `["https://example.com/image.jpg"]`

  <Note>
    The system automatically selects text-to-video or image-to-video mode based on whether `image_urls` is included
  </Note>
</ParamField>

<ParamField body="negative_prompt" type="string">
  Negative prompt describing unwanted content

  Example: `"blurry, low quality, distorted"`
</ParamField>

<ParamField body="aspect_ratio" type="string" default="16:9">
  Video aspect ratio

  Options:

  * `16:9` - Landscape (default)
  * `9:16` - Portrait
  * `1:1` - Square
  * `4:3` - Landscape
  * `3:4` - Portrait

  Default: `16:9`

  <Warning>
    Not supported in image-to-video mode
  </Warning>
</ParamField>

<ParamField body="resolution" type="string" default="720p">
  Video resolution

  Options:

  * `720p` - Standard (default)
  * `1080p` - High definition

  Default: `720p`

  <Warning>
    480p resolution is not supported
  </Warning>

  <Note>
    Billed per second. Pricing varies by resolution. Please refer to the model marketplace for specific pricing
  </Note>
</ParamField>

<ParamField body="duration" type="integer" default="5">
  Video duration (seconds)

  Supported values: `5`, `10`, `15` seconds only

  Default: `5`
</ParamField>

<ParamField body="seed" type="integer">
  Random seed for reproducible results

  Example: `12345`
</ParamField>

<ParamField body="prompt_extend" type="boolean">
  Whether to automatically extend the prompt

  When enabled, the system will automatically optimize and enrich your prompt
</ParamField>

<ParamField body="audio" type="boolean">
  Whether to automatically add audio

  When enabled, the system will generate matching audio for the video
</ParamField>

<ParamField body="audio_url" type="string">
  Specified audio URL

  Takes priority over the `audio` parameter

  <Warning>
    Audio duration cannot exceed video duration. If audio is shorter than video duration, the first part of the video will have sound while the rest will be silent.
  </Warning>
</ParamField>

<ParamField body="shot_type" type="string">
  Shot type

  Options:

  * `single` - Single shot
  * `multi` - Multiple shots
</ParamField>

<ParamField body="watermark" type="boolean">
  Whether to add watermark
</ParamField>

<ParamField body="template" type="string">
  Effect template name for image-to-video special effects mode

  <Note>
    When using effects mode:

    * Only one image is required (passed via `image_urls`)
    * No prompt is needed (model ignores the `prompt` field)
  </Note>

  **General Effects:**

  * `squish` - Squish & Squeeze
  * `rotation` - Rotation
  * `poke` - Poke
  * `inflate` - Balloon Inflate
  * `dissolve` - Molecular Dissolve
  * `melt` - Heat Wave Melt
  * `icecream` - Ice Cream Planet
  * `flying` - Magic Levitation

  **Single Person Effects:**

  * `carousel` - Time Carousel
  * `singleheart` - Love You
  * `dance1` - Swing Moment
  * `dance2` - Dance Move

  For more effects, refer to [Alibaba Wanxiang Template Documentation](https://help.aliyun.com/zh/model-studio/wanx-video-effects)
</ParamField>

## Resolution and Aspect Ratio Combinations

| Aspect Ratio | Description         | 720p Size | 1080p Size |
| ------------ | ------------------- | --------- | ---------- |
| `16:9`       | Landscape (default) | 1280×720  | 1920×1080  |
| `9:16`       | Portrait            | 720×1280  | 1080×1920  |
| `1:1`        | Square              | 960×960   | 1440×1440  |
| `4:3`        | Landscape           | 1088×832  | 1632×1248  |
| `3:4`        | Portrait            | 832×1088  | 1248×1632  |

## Response

<ResponseField name="code" type="integer">
  Response status code, 200 on success
</ResponseField>

<ResponseField name="data" type="array">
  Response data array

  <Expandable title="Array Elements">
    <ResponseField name="status" type="string">
      Task status, `submitted` when initially submitted
    </ResponseField>

    <ResponseField name="task_id" type="string">
      Unique task identifier for querying task status and results
    </ResponseField>
  </Expandable>
</ResponseField>

## Use Cases

### Case 1: Text-to-Video (Simple Request)

```json theme={null}
{
  "model": "wan2.6",
  "prompt": "A cute cat stretching in the sunlight"
}
```

### Case 2: Text-to-Video (Full Parameters)

```json theme={null}
{
  "model": "wan2.6",
  "prompt": "A cute cat running on the grass",
  "negative_prompt": "blurry, low quality, distorted",
  "aspect_ratio": "16:9",
  "resolution": "720p",
  "duration": 5,
  "seed": 12345,
  "prompt_extend": true,
  "audio": true,
  "shot_type": "single",
  "watermark": false
}
```

### Case 3: Image-to-Video

```json theme={null}
{
  "model": "wan2.6",
  "prompt": "A kitten running on the ground",
  "image_urls": ["https://upload.apimart.ai/f/apimart-models-images/9998233432754770-c059992d-9b01-47d5-810d-ea0502ac9279-image_task_01KD7SSXDBCEWZ869D6PF249ZW_0.png"],
  "resolution": "1080p",
  "duration": 10
}
```

### Case 4: Image-to-Video (Base64 Image)

```json theme={null}
{
  "model": "wan2.6",
  "prompt": "Make the cat stand up and walk",
  "image_urls": ["data:image/png;base64,iVBORw0KGgo..."],
  "duration": 5
}
```

## Mode Description

### Text-to-Video

* `prompt` parameter is required
* `image_urls` parameter is not needed

### Image-to-Video

* `image_urls` parameter is required (only 1 image supported)
* `prompt` parameter is optional, used to describe expected actions

<Note>
  The system automatically selects the mode based on whether `image_urls` is included in the request
</Note>

<Note>
  **Query Task Results**

  Video generation is an async task that returns a `task_id` upon submission. Use the [Get Task Status](/en/api-reference/tasks/status) endpoint to query generation progress and results.
</Note>