Happy Horse

Vendor: Alibaba

Video

#1 ranked — native audio & 7-language lip-sync

Typical latency: 30-120s
Reference inputs: Up to 9
toolId: happy-horse

Input modes

text-to-videoimage-to-videoomni-referencevideo-inpaint

Parameters

Parameter	Type	Default	Values	Notes
duration	select	5	3 \| 5 \| 8 \| 10 \| 15	Clip length. Longer clips cost more; re-quote after changing.
aspect_ratio	select	9:16	16:9 \| 9:16 \| 1:1 \| 4:3 \| 3:4	Output frame shape. Keep one ratio across a series.
resolution	select	720p	720p \| 1080p	Higher resolution looks sharper and costs more; re-quote after changing.
audio_setting	select	auto	auto \| origin	Auto generates new audio; Origin keeps the source audio track.
enable_safety_checker	toggle	true	—	Enable content moderation for input and output

Pricing

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

Prices last updated: —

API example

POST /v1/generations — happy-horse

curl -X POST https://api.mukelabs.com/v1/generations \
  -H "Authorization: Bearer $MUKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "toolId": "happy-horse",
    "inputMode": "text-to-video",
    "prompt": "your prompt here",
    "params": { "duration": "3" },
    "references": [],
    "idempotencyKey": "a-unique-key-per-task",
    "subjectId": "your-user-id"
  }'

FAQ

How do I call Happy Horse on Muke Labs?

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

What does Happy Horse 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.