Digital Human - HeyGen

Vendor: HeyGen

Video

Generate or lip-sync avatar videos from media plus uploaded speech audio

Typical latency: 2-8min
Reference inputs: Up to 1
toolId: digital-human-heygen

Input modes

image-to-videoomni-reference

Variants

Image + Audio

image-to-video

Video + Audio

omni-reference

Parameters

Parameter	Type	Default	Values	Notes
resolution	select	720p	480p \| 720p \| 1080p	Higher resolution looks sharper and costs more; re-quote after changing.
aspect_ratio	select	16:9	16:9 \| 9:16 \| 1:1 \| 4:5 \| 5:4	Output frame shape. Keep one ratio across a series.

Pricing

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

Prices last updated: —

API example

POST /v1/generations — digital-human-heygen

curl -X POST https://api.mukelabs.com/v1/generations \
  -H "Authorization: Bearer $MUKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "toolId": "digital-human-heygen",
    "inputMode": "image-to-video",
    "prompt": "your prompt here",
    "params": { "resolution": "480p" },
    "references": [],
    "idempotencyKey": "a-unique-key-per-task",
    "subjectId": "your-user-id"
  }'

FAQ

How do I call Digital Human - HeyGen on Muke Labs?

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

What does Digital Human - HeyGen 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.