Catalog/Video/fal

Ffmpeg Api Merge Audio-Video

Edits a video you give it

Liveby fal

Merge videos with standalone audio files or audio from video files.

Ask your agent

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

Use Ffmpeg Api Merge Audio-Video to make this clip look like it was shot at night.

Change the background of this video to a beach.

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How it works

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For developersSummary, tool id, API call and input schema

Video API by fal, callable through Superpowers. It costs $0.00108 per 5s clip, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.ffmpeg-api-merge-audio-video", or over MCP with run_tool.

Tool id
Price per call: $0.00108 / 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.ffmpeg-api-merge-audio-video","input":{"video_url":"","audio_url":""},"idempotency_key":"example-request-1"}'

Input

3 fields · 2 required

{
  "type": "object",
  "required": [
    "video_url",
    "audio_url"
  ],
  "properties": {
    "start_offset": {
      "type": "number",
      "description": "Offset in seconds for when the audio should start relative to the video",
      "default": 0
    },
    "video_url": {
      "type": "string",
      "description": "URL of the video file to use as the video track"
    },
    "audio_url": {
      "type": "string",
      "description": "URL of the audio file to use as the audio track"
    }
  }
}