Mureka 9 Soundtrack Generation

Audio to audio

Liveby Mureka

Generates soundtracks from an uploaded image or video, with optional style and mood guidance, audio-range selection, and multiple variations.

Ask your agent

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CodexClaude CodeAny agent with a terminal

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

More examples

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, input and output

Voice & audio API by Mureka, callable through Superpowers. It costs $0.108 per image, charged only when the call succeeds. Call it with one API key: POST /v1/run with "tool": "fal.mureka-v9-generate-soundtrack", or over MCP with run_tool.

Tool id
Price per call: $0.108 / image

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"fal.mureka-v9-generate-soundtrack","input":{"audio_start":""},"idempotency_key":"example-request-1"}'

Input

6 fields · all optional

{
  "type": "object",
  "required": [],
  "properties": {
    "audio_start": {
      "type": "integer",
      "description": "Start time of the soundtrack audio in milliseconds. If only audio_start is specified, generation starts there and continues for the video duration, stopping at the end of the song if the remaining audio is shorter. The soundtrack audio segment must be at least 3 seconds long, and a 1-second fade-in "
    },
    "prompt": {
      "type": "string",
      "description": "Optional description of the desired soundtrack style and mood."
    },
    "image_id": {
      "type": "string",
      "description": "Image ID returned by /files/upload with purpose='soundtrack'. Provide exactly one of image_id or video_id."
    },
    "enable_safety_checker": {
      "type": "boolean",
      "description": "Authorized callers may set false to request relaxed screening.",
      "default": true
    },
    "audio_end": {
      "type": "integer",
      "description": "End time of the soundtrack audio in milliseconds. If both audio_start and audio_end are specified, generation uses those times. If audio_end exceeds the song duration, generation stops at the end of the song. The soundtrack audio segment must be at least 3 seconds long, and a 1-second fade-out is ad"
    },
    "video_id": {
      "type": "string",
      "description": "Video ID returned by /files/upload with purpose='soundtrack'. Provide exactly one of image_id or video_id."
    }
  }
}