HeyGen Voice

https://mcp.app.layer.ai/mcp

execute_forge({
  "base_model_id": "heygen-voice",
  "prompt": "A heavy stone door grinding open in a dungeon",
  "batch_size": 1
})

# Start the generation — returns an inference id straight away.
curl -X POST https://api.app.layer.ai/api/v2/workspaces/$WORKSPACE_ID/base-models/heygen-voice/inferences \
  -H "Authorization: Bearer $LAYER_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
        "prompt": "A heavy stone door grinding open in a dungeon"
      }'

# Poll until status is "complete" — the response then carries the asset URLs.
curl https://api.app.layer.ai/api/v2/workspaces/$WORKSPACE_ID/inferences/$INFERENCE_ID \
  -H "Authorization: Bearer $LAYER_TOKEN"

prompt

stringrequired

The text the voice speaks.

guidance_file_reference_audio

file[]

Guides style and voice without being modified

speech_language

enumdefault AUTO40 options

The language the script is read in, without translating it. Auto detects it.

prompt_language

string

Translates the script into this language before it is spoken.