Creative studioGeneratedModels
Seedance 2.5
Creative Studio video model reference for the public API.
Seedance 2.5
Public model ID: seedance-25
Asset type: video
Category: Video Generation
Starting credits: 3 (defaults: 6)
Prompt optional.
Start a generation
curl -s -X POST "$API_BASE_URL/v1/creative-studio/generations" \
-H "Authorization: Bearer vsl_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"modelId": "seedance-25",
"prompt": "Your prompt here",
"image": ["https://example.com/reference.jpg"],
"duration": 5
}' | jqPoll GET /v1/creative-studio/generations/{id} until status is completed. Completed generations return outputUrl on cdn.videoslash.com.
Media parameters
| Name | Type | Constraints | Default | Description |
|---|---|---|---|---|
image | string | optional · max items: 1 | — | First-frame image for image-to-video. Cannot be combined with reference images, videos, or audio. |
last_frame_image | string | optional · max items: 1 | — | Last-frame image. Requires a first-frame image. Cannot be combined with reference images, videos, or audio. |
reference_images | array | optional · max items: 30 | [] | Reference images (up to 30) for character, style, and scene guidance. Cannot be combined with first/last frame images. Reference them as [Image1], [Image2], etc. |
reference_videos | array | optional · max items: 10 | [] | Reference videos (up to 10, combined duration max 30s) for motion, editing, and extension. Reference them as [Video1], [Video2], etc. Using a reference video uses video-input pricing. |
reference_audios | array | optional · max items: 10 | [] | Reference audio files (up to 10, combined duration max 30s) for lip-sync and audio-driven generation. Requires at least one reference image or video. Reference them as [Audio1], [Audio2], etc. |
Settings parameters
| Name | Type | Constraints | Default | Description |
|---|---|---|---|---|
duration | integer | optional · min: -1 · max: 30 | 5 | Video duration in seconds (4–30). Set to -1 for intelligent duration. Editing mode requires -1. |
resolution | enum | optional · enum: 480p, 720p | 720p | Video resolution. |
aspect_ratio | enum | optional · enum: 16:9, 4:3, 1:1, 3:4, 9:16, 21:9, adaptive | 16:9 | Video aspect ratio. Use adaptive to let the model choose. First/last-frame, editing, and extension modes require adaptive. |
generate_audio | boolean | optional | true | Generate synchronized dialogue, sound effects, and background music. Put spoken words in double quotes. |
watermark | boolean | optional | false | Add a watermark to the generated video. |
output_format | enum | optional · enum: mp4, mov | mp4 | Output video container format. |
seed | integer | optional | — | Random seed. Reproducibility is not guaranteed. |