MMAudio V2 Text to Audio

Text to audio

Liveby fal

MMAudio generates synchronized audio given text inputs.

It can generate sounds described by a prompt.

Ask your agent

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

Read this paragraph aloud in a warm voice and send me the audio.

Turn my blog post into an audio file I can share.

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How it works

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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

Voice & audio 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-text-to-audio", 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-text-to-audio","input":{"prompt":""},"idempotency_key":"example-request-1"}'

Input

7 fields · 1 required

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