Tool detail

analyze

Analyzes an audio file at a given URL and returns its BPM, musical key, mood, genres and instruments.

Categories: Speech audio

Use when

get the BPM and key of a song from its audio URL
detect the genre and mood of a track
identify instruments present in an audio file

Not for

not for raw uploaded audio bytes - needs a public file URL

Inputs

POST JSON body: { fileUrl: string } (required) - URL of the audio file (mp3, wav, etc.).

Admitted input schema

{
  "type": "object",
  "properties": {
    "fileUrl": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "URL of the audio file to analyze (mp3, wav, etc.)"
    }
  },
  "required": [
    "fileUrl"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://api.tag-per-track.cloud/api/analyze

Payment

Protocol: x402
Listed price: 0.15 USDC per request on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://api.tag-per-track.cloud/api/analyze
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z