Elevenlabs Sound Effects V2

Text to audio

Liveby ElevenLabs

Generate sound effects using ElevenLabs advanced sound effects model.

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How it works

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For developersSummary, tool id, API call and input schema

Voice & audio API by ElevenLabs, callable through Superpowers. It costs $0.011 per 5s clip, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.elevenlabs-sound-effects-v2", or over MCP with run_tool.

Tool id
Price per call: $0.011 / 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.elevenlabs-sound-effects-v2","input":{"text":""},"idempotency_key":"example-request-1"}'

Input

5 fields · 1 required

{
  "type": "object",
  "required": [
    "text"
  ],
  "properties": {
    "text": {
      "type": "string",
      "description": "The text describing the sound effect to generate"
    },
    "output_format": {
      "type": "string",
      "description": "Output format of the generated audio. Formatted as codec_sample_rate_bitrate.",
      "default": "mp3_44100_128",
      "enum": [
        "mp3_22050_32",
        "mp3_44100_32",
        "mp3_44100_64",
        "mp3_44100_96",
        "mp3_44100_128",
        "mp3_44100_192",
        "pcm_8000",
        "pcm_16000",
        "pcm_22050",
        "pcm_24000",
        "pcm_44100",
        "pcm_48000",
        "ulaw_8000",
        "alaw_8000",
        "opus_48000_32",
        "opus_48000_64",
        "opus_48000_96",
        "opus_48000_128",
        "opus_48000_192"
      ]
    },
    "loop": {
      "type": "boolean",
      "description": "Whether to create a sound effect that loops smoothly.",
      "default": false
    },
    "duration_seconds": {
      "type": "number",
      "description": "Duration in seconds (0.5-22). If None, optimal duration will be determined from prompt."
    },
    "prompt_influence": {
      "type": "number",
      "description": "How closely to follow the prompt (0-1). Higher values mean less variation.",
      "default": 0.3
    }
  }
}