Seedance 2.0 Fast

Vendor: ByteDance

Video

Faster video mode for previewing movement and multi-reference ideas

Typical latency: 30-120s
Reference inputs: Up to 9
toolId: seedance-2-fast

Input modes

text-to-videoimage-to-videoomni-reference

Parameters

Parameter	Type	Default	Values	Notes
provider_mode	select	official	official \| face	Defaults to no face support; switch only when the request needs face-aware handling.
video_quality	select	high	standard \| high	Standard balances quality and speed at 720p; High prioritizes final detail.
duration	select	5	4 \| 5 \| 6 \| 8 \| 10 \| 12 \| 15	Clip length. Longer clips cost more; re-quote after changing.
resolution	select	720p	480p \| 720p	Fast supports 480p or 720p.
aspect_ratio	select	9:16	21:9 \| 16:9 \| 4:3 \| 1:1 \| 3:4 \| 9:16 \| auto	Output frame shape. Keep one ratio across a series.
generate_audio	toggle	true	—	Generate matching audio for the video when supported.

Pricing

Pricing will be published shortly — contact us for early access rates

Prices last updated: —

API example

POST /v1/generations — seedance-2-fast

curl -X POST https://api.mukelabs.com/v1/generations \
  -H "Authorization: Bearer $MUKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "toolId": "seedance-2-fast",
    "inputMode": "text-to-video",
    "prompt": "your prompt here",
    "params": { "provider_mode": "official" },
    "references": [],
    "idempotencyKey": "a-unique-key-per-task",
    "subjectId": "your-user-id"
  }'

FAQ

How do I call Seedance 2.0 Fast on Muke Labs?

Submit POST /v1/generations with toolId "seedance-2-fast" and one of its input modes (text-to-video, image-to-video, omni-reference), then poll GET /v1/generations/{jobId} for the result.

What does Seedance 2.0 Fast cost?

Public pricing for this model is being finalized — contact us for early access rates. All tasks are billed from your prepaid USD balance and failed tasks refund automatically.

What happens if a task fails?

The job returns status "failed" with a typed error code, and its charge is returned to your balance automatically.

Where do I get an API key?

Create one in the developer portal (https://portal.muke.name), then send it as a Bearer token on every request.