# Seedance 1 Lite

> A video generation model that offers text-to-video and image-to-video support for 5s or 10s videos, at 480p and 720p resolution

- **Provider**: replicate
- **Model ID**: bytedance/seedance-1-lite
- **Category**: video_generation
- **Credits**: 420 per request
- **Pricing Type**: input_based

## API Endpoint

Base URL: https://api.core.today/v1

### Create Prediction
POST /predictions

### Get Status
GET /predictions/{job_id}

### Cancel
DELETE /predictions/{job_id}

## Authentication

Header: `X-API-Key: YOUR_API_KEY`

## Input Parameters

- `fps` (integer, optional): Frame rate (frames per second) (Default: `24`; Options: `24`)
- `aspect_ratio` (string, optional): Video aspect ratio. Ignored if an image is used. (Default: `16:9`; Options: `16:9`, `4:3`, `1:1`, `3:4`, `9:16`, `21:9`, `9:21`)
- `prompt` (string, **required**): Text prompt for video generation
- `resolution` (string, optional): Video resolution (Default: `720p`; Options: `480p`, `720p`, `1080p`)
- `last_frame_image` (string, optional): Input image for last frame generation. This only works if an image start frame is given too.
- `image` (string, optional): Input image for image-to-video generation
- `duration` (integer, optional): Video duration in seconds (Default: `5`; Range: min: 4, max: 12)
- `camera_fixed` (boolean, optional): Whether to fix camera position (Default: `False`)
- `seed` (integer, optional): Random seed. Set for reproducible generation
- `reference_images` (array, optional): Reference images (1-4 images) to guide video generation for characters, avatars, clothing, environments, or multi-character interactions. Reference images cannot be used with 1080p resolution or first frame or last frame images.

## Example Request

```json
{
  "model": "bytedance/seedance-1-lite",
  "input": {
    "fps": 24,
    "duration": 5,
    "aspect_ratio": "16:9",
    "prompt": "a woman walks in the park",
    "resolution": "720p",
    "camera_fixed": false
  }
}
```

## Response Format

```json
{
  "job_id": "abc123",
  "status": "pending",
  "provider": "replicate",
  "model": "black-forest-labs/flux-schnell",
  "created_at": "2026-01-01T00:00:00Z",
  "result": null,
  "error": null
}
```

Status values: `pending`, `processing`, `completed`, `failed`, `cancelled`

## Usage Flow

1. POST /predictions with model and input → receive job_id
2. Poll GET /predictions/{job_id} until status is `completed` or `failed`
3. Result contains output URL(s) or data

## Output Type

url

## Tags

bytedance, seedance, video-generation, text-to-video, image-to-video, 1080p

## Documentation

https://replicate.com/bytedance/seedance-1-lite