Videoslash API
Creative studioGeneratedModels

Seedance 1.5 Pro

Creative Studio video model reference for the public API.

Seedance 1.5 Pro

Public model ID: seedance-15-pro

Asset type: video

Category: Video Generation

Starting credits: 0.5 (defaults: 1)

Prompt required.

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-15-pro",
    "prompt": "Your prompt here",
    "image": ["https://example.com/reference.jpg"],
    "duration": 5
  }' | jq

Poll GET /v1/creative-studio/generations/{id} until status is completed. Completed generations return outputUrl on cdn.videoslash.com.

Media parameters

NameTypeConstraintsDefaultDescription
imagestringoptional · max items: 1—Input image for image-to-video generation
last_frame_imagestringoptional · max items: 1—Input image for last frame generation. This only works if an image start frame is given too.

Settings parameters

NameTypeConstraintsDefaultDescription
durationintegeroptional · min: 2 · max: 125Video duration in seconds
aspect_ratioenumoptional · enum: 16:9, 4:3, 1:1, 3:4, 9:16, 21:9, 9:2116:9Video aspect ratio. Ignored if an image is used.
fpsenumoptional · enum: 2424Frame rate (frames per second)
camera_fixedbooleanoptionalfalseWhether to fix camera position
generate_audiobooleanoptionalfalseGenerate audio synchronized with the video. When enabled, the model outputs a video with audio that matches the visuals.
seedintegeroptional—Random seed. Set for reproducible generation

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