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

# Seedance 1.5 Pro 文生视频

> 字节跳动 Seedance 1.5 Pro 文生视频模型，从文本提示词生成视频。

Seedance 1.5 Pro 文生视频 是字节跳动 Seedance 系列的文生视频模型，通过 Starrise AI API 提供服务。

## 核心能力

* **文生视频** — 从文本提示词生成视频
* **灵活时长** — 4–12 秒
* **多种比例** — 16:9、4:3、1:1、3:4、9:16、21:9
* **多种分辨率** — 480p、720p、1080p

## 快速示例

```bash cURL theme={null}
curl https://dayu.cdn-fly.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": "一只猫在金色夕阳下穿过向日葵花田"}
    ],
    "ratio": "16:9",
    "duration": 5,
    "resolution": "720p"
  }'
```

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

response = requests.post(
    "https://dayu.cdn-fly.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": "一只猫在金色夕阳下穿过向日葵花田"}
        ],
        "ratio": "16:9",
        "duration": 5,
        "resolution": "720p"
    }
)

task = response.json()
print(f"任务 ID: {task['id']}")
```

## 参数说明

| 参数 | 类型 | 必填 | 说明 |
| - | - | - | - |
| `model` | string | 是 | 固定为 `doubao-seedance-1-5-pro-251215` |
| `content` | array | 是 | 仅包含 text 项 |
| `ratio` | string | 否 | `16:9`、`4:3`、`1:1`、`3:4`、`9:16`、`21:9`，默认 `16:9` |
| `resolution` | string | 否 | `480p`、`720p`、`1080p`，默认 `720p` |
| `duration` | integer | 否 | 4–12 秒，默认 `5` |
| `watermark` | boolean | 否 | 默认 `false` |
| `seed` | integer | 否 | 随机种子 |
| `camera_fixed` | boolean | 否 | 默认 `false` |

> **[API 参考](/zh/api-reference/model-api/bytedance/doubao-seedance-1-5-pro-251215-t2v)**
>
> 查看 Seedance 1.5 Pro 文生视频 的交互式 API Playground。


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