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

# Seedance 2.5 480p

> Seedance 2.5 480p video API via FreeModel: Seedance 2.5 480p SKU for text input with optional image references, billed from prepaid balance.

`seedance-2.5-480p` is the Seedance 2.5 480p SKU for text input with optional image references.

| Property | Value                                     |
| -------- | ----------------------------------------- |
| Model ID | `seedance-2.5-480p`                       |
| Input    | prompt + images                           |
| Output   | 480p video with native audio              |
| Duration | 4 to 30 seconds                           |
| Price    | \$0.14 per second (14 credits per second) |

Confirm live rates on the [models page](https://freemodel.app/models/seedance-2-5).

<ParamField body="model" type="string" required>
  Set to `seedance-2.5-480p`.
</ParamField>

<ParamField body="prompt" type="string" required>
  Describe the subject, action, camera movement, lighting, and audio intent.
</ParamField>

<ParamField body="seconds" type="string" default="10">
  Output length: 4 to 30 seconds.
</ParamField>

<ParamField body="aspect_ratio" type="string">
  One of `21:9`, `16:9`, `4:3`, `1:1`, `3:4`, `9:16`, `adaptive`. `adaptive` follows the input image or video. Send it explicitly; do not send a pixel `size`.
</ParamField>

<ParamField body="image_urls" type="string[]">
  Up to 30 public `http`/`https` image URLs, each up to 30 MB (JPEG, PNG, WEBP, BMP, GIF).
</ParamField>

<ParamField body="generate_audio" type="boolean" default="true">
  Set to `false` for a silent video.
</ParamField>

## Request

```bash theme={null}
curl https://api.freemodel.app/v1/videos \
  -H "Authorization: Bearer $FREEMODEL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance-2.5-480p",
    "prompt": "A lake at dawn with a small boat, slow dolly",
    "seconds": "5",
    "aspect_ratio": "21:9",
    "image_urls": ["https://example.com/reference.jpg"]
  }'
```

The response returns a queued task `id`. Poll and download with the same `model`:

```bash theme={null}
curl "https://api.freemodel.app/v1/videos/$VIDEO_ID?model=seedance-2.5-480p" \
  -H "Authorization: Bearer $FREEMODEL_API_KEY"

curl -L "https://api.freemodel.app/v1/videos/$VIDEO_ID/content?model=seedance-2.5-480p" \
  -H "Authorization: Bearer $FREEMODEL_API_KEY" \
  --output video.mp4
```

See the [Video API workflow](/api-reference/video-generation) for polling intervals, webhooks, and failure handling.

<Note>
  Media inputs must be public `http` or `https` URLs. Private network addresses and
  local files are rejected. Failed generations are not charged.
</Note>