Tool detail

elevenlabs

Converts input text to speech audio using a selectable ElevenLabs voice.

Categories: Speech audio

Use when

generate a spoken audio voiceover from text
convert a script to natural-sounding speech in a specific voice

Not for

not voice cloning or training a new custom voice
not free-form audio editing - text-to-speech only

Inputs

POST JSON body: text (string, required, <=4096 chars); voice_id (string, optional, ElevenLabs voice ID)

Admitted input schema

{
  "type": "object",
  "properties": {
    "text": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Text to convert to speech",
      "examples": [
        "Hello world"
      ]
    },
    "voice_id": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "ElevenLabs voice ID",
      "examples": [
        "21m00Tcm4TlvDq8ikWAM"
      ]
    }
  },
  "required": [
    "text"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://x402engine.app/api/tts/elevenlabs

Payment

Protocol: x402
Listed price: 0.02 USDC per call 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://x402engine.app/api/tts/elevenlabs
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z