Async Text to Speech Pro V1.0

Reads text aloud

Unavailableby Async

Generate professional-quality voiceovers in seconds with Async TTS Pro model text-based control over pauses, emphasis, and timing.

Voice ids can be found at https://async.com/developer/voice-library

Guide: Text to speech APIs compared

Not available right now: calls to fal are paused. See similar tools that work.

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

Tool id
Price per call: $0.011 / 1K chars

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"fal.async-tts-pro-v1.0","input":{"voice":"","transcript":""},"idempotency_key":"example-request-1"}'

Input

4 fields · 2 required

{
  "type": "object",
  "required": [
    "transcript",
    "voice"
  ],
  "properties": {
    "output_format": {
      "description": "Audio output configuration."
    },
    "language": {
      "type": "string",
      "description": "Force synthesis in a specific language (ISO 639-1).",
      "enum": [
        "en",
        "fr",
        "es",
        "de",
        "it",
        "pt"
      ]
    },
    "voice": {
      "description": "Voice to use for synthesis."
    },
    "transcript": {
      "type": "string",
      "description": "Text to convert to speech."
    }
  }
}