Catalog/Video/fal

Heygen

Makes a video from a description

Liveby Heygen

Heygen Avatar 4 Digital Twin Model

Ask your agent

Say it in your own words. Your agent picks this tool, fills in the details and brings back the answer.

Make a 5-second video with Heygen of a drone flying over Florianópolis at sunrise.

Make a short video of waves rolling onto a beach at sunset.

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How it works

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For developersSummary, tool id, API call and input schema

Video generation API by Heygen, callable through Superpowers. It costs $0.540 per 5s clip, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.heygen-avatar4-digital-twin", or over MCP with run_tool. 89 other providers in this category take the same input and can be compared side by side.

Tool id
Price per call: $0.540 / 5s clip

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"fal.heygen-avatar4-digital-twin","input":{"character":"","voice":""},"idempotency_key":"example-request-1"}'

Input

5 fields · 2 required

{
  "type": "object",
  "required": [
    "character",
    "voice"
  ],
  "properties": {
    "character": {
      "description": "Character configuration for the video"
    },
    "resolution": {
      "type": "string",
      "description": "Video resolution preset. Options: 360p, 480p, 540p, 720p, 1080p",
      "default": "720p",
      "enum": [
        "360p",
        "480p",
        "540p",
        "720p",
        "1080p"
      ]
    },
    "voice": {
      "description": "Voice configuration for the character"
    },
    "audio_url": {
      "type": "string",
      "description": "URL of an audio file for the avatar to lip-sync to. When provided, the avatar uses this audio instead of text-to-speech."
    },
    "aspect_ratio": {
      "type": "string",
      "description": "Aspect ratio of the output video. Supported values: '16:9', '9:16', '4:5', '5:4', '1:1', and 'auto'. 'auto' preserves the source aspect ratio when HeyGen can read it, falling back to '16:9' otherwise.",
      "default": "16:9",
      "enum": [
        "16:9",
        "9:16",
        "4:5",
        "5:4",
        "1:1",
        "auto"
      ]
    }
  }
}