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

# Seedance 1.5 Pro Text-to-Video

> ByteDance Seedance 1.5 Pro text-to-video model — generates video from text prompts.

Seedance 1.5 Pro Text-to-Video is a text-to-video model from ByteDance's Seedance series, available through the Starrise AI API.

## Key Capabilities

* **Text-to-video** — Generate videos from text prompts
* **Flexible duration** — 4–12 seconds
* **Multiple aspect ratios** — 16:9, 4:3, 1:1, 3:4, 9:16, 21:9
* **Multiple resolutions** — 480p, 720p, 1080p

## Quick Example

<CodeGroup>
  ```bash cURL theme={null}
  curl https://ai.alad.com/v1/video/generations \
    -H "Authorization: Bearer YOUR_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "model": "doubao-seedance-1-5-pro-251215",
      "content": [
        {"type": "text", "text": "A cat walking through a sunflower field under a golden sunset"}
      ],
      "ratio": "16:9",
      "duration": 5,
      "resolution": "720p"
    }'
  ```

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

  response = requests.post(
      "https://ai.alad.com/v1/video/generations",
      headers={
          "Authorization": "Bearer YOUR_API_KEY",
          "Content-Type": "application/json"
      },
      json={
          "model": "doubao-seedance-1-5-pro-251215",
          "content": [
              {"type": "text", "text": "A cat walking through a sunflower field under a golden sunset"}
          ],
          "ratio": "16:9",
          "duration": 5,
          "resolution": "720p"
      }
  )

  task = response.json()
  print(f"Task ID: {task['id']}")
  ```
</CodeGroup>

## Parameters

| Parameter      | Type    | Required | Description                                                 |
| -------------- | ------- | -------- | ----------------------------------------------------------- |
| `model`        | string  | Yes      | Must be `doubao-seedance-1-5-pro-251215`                    |
| `content`      | array   | Yes      | Text item only                                              |
| `ratio`        | string  | No       | `16:9`, `4:3`, `1:1`, `3:4`, `9:16`, `21:9`, default `16:9` |
| `resolution`   | string  | No       | `480p`, `720p`, `1080p`, default `720p`                     |
| `duration`     | integer | No       | 4–12 seconds, default `5`                                   |
| `watermark`    | boolean | No       | Default `false`                                             |
| `seed`         | integer | No       | Random seed                                                 |
| `camera_fixed` | boolean | No       | Default `false`                                             |

<Card title="API Reference" icon="code" href="/en/api-reference/model-api/bytedance/doubao-seedance-1-5-pro-251215-t2v">
  View the interactive API Playground for Seedance 1.5 Pro Text-to-Video.
</Card>