Catalog/Video/fal

Heygen Lipsync - Precision

Edits a video you give it

Liveby Heygen

Replace or dub audio on an existing video with high-accuracy avatar-inference lip-sync.

Ask your agent

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

Sync this video to this voice recording with Heygen Lipsync - Precision.

Make the person in this clip say the words in this audio file.

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How it works

Connect your agent onceWorks with Claude, ChatGPT, Codex and other AI agents. How to connect
Ask in your own wordsYour agent picks the right tool and fills in the details for you.
Pay only when it worksEach use comes out of your balance. If it fails, you aren't charged.

For developersSummary, tool id, API call and input schema

Video 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-v3-lipsync-precision", or over MCP with run_tool.

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-v3-lipsync-precision","input":{"video_url":"","audio_url":""},"idempotency_key":"example-request-1"}'

Input

9 fields · 2 required

{
  "type": "object",
  "required": [
    "video_url",
    "audio_url"
  ],
  "properties": {
    "video_url": {
      "type": "string",
      "description": "URL of the source video to lip-sync."
    },
    "end_time": {
      "type": "number",
      "description": "End time in seconds for partial lipsync."
    },
    "enable_dynamic_duration": {
      "type": "boolean",
      "description": "Allow duration adjustment to match the new audio.",
      "default": true
    },
    "start_time": {
      "type": "number",
      "description": "Start time in seconds for partial lipsync."
    },
    "disable_music_track": {
      "type": "boolean",
      "description": "Remove background music from the source video.",
      "default": false
    },
    "enable_speech_enhancement": {
      "type": "boolean",
      "description": "Enhance the replacement audio quality.",
      "default": false
    },
    "audio_url": {
      "type": "string",
      "description": "URL of the replacement audio file."
    },
    "enable_caption": {
      "type": "boolean",
      "description": "Generate captions in the output video.",
      "default": false
    },
    "title": {
      "type": "string",
      "description": "Optional title for the lipsync job."
    }
  }
}