Catalog/Video/fal

MMAudio V2

Edits a video you give it

Liveby fal

MMAudio generates synchronized audio given video and/or text inputs.

It can be combined with video models to get videos with audio.

Ask your agent

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

Use MMAudio V2 to make this clip look like it was shot at night.

Change the background of this video to a beach.

Reviews

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How it works

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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 fal, callable through Superpowers. It costs $0.0054 per 5s clip, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.mmaudio-v2", or over MCP with run_tool.

Tool id
Price per call: $0.0054 / 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.mmaudio-v2","input":{"prompt":"","video_url":""},"idempotency_key":"example-request-1"}'

Input

8 fields · 2 required

{
  "type": "object",
  "required": [
    "video_url",
    "prompt"
  ],
  "properties": {
    "negative_prompt": {
      "type": "string",
      "description": "The negative prompt to generate the audio for.",
      "default": ""
    },
    "prompt": {
      "type": "string",
      "description": "The prompt to generate the audio for."
    },
    "duration": {
      "type": "number",
      "description": "The duration of the audio to generate.",
      "default": 8
    },
    "video_url": {
      "type": "string",
      "description": "The URL of the video to generate the audio for."
    },
    "seed": {
      "type": "integer",
      "description": "The seed for the random number generator"
    },
    "mask_away_clip": {
      "type": "boolean",
      "description": "Whether to mask away the clip.",
      "default": false
    },
    "cfg_strength": {
      "type": "number",
      "description": "The strength of Classifier Free Guidance.",
      "default": 4.5
    },
    "num_steps": {
      "type": "integer",
      "description": "The number of steps to generate the audio for.",
      "default": 25
    }
  }
}