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ElevenLabs

ElevenLabs API integration with managed authentication. AI-powered text-to-speech, voice cloning, sound effects, and audio processing. Use this skill when us...

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ElevenLabs

Access the ElevenLabs API with managed authentication. Generate lifelike speech from text, clone voices, create sound effects, and process audio.

Quick Start

# List available voices
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/elevenlabs/v1/voices')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Base URL

https://api.maton.ai/elevenlabs/{native-api-path}

Maton proxies requests to api.elevenlabs.io and automatically injects your API key.

Authentication

All requests require the Maton API key in the Authorization header:

Authorization: Bearer $MATON_API_KEY

Environment Variable: Set your API key as MATON_API_KEY:

export MATON_API_KEY="YOUR_API_KEY"

Getting Your API Key

  1. Sign in or create an account at maton.ai
  2. Go to maton.ai/settings
  3. Copy your API key

Connection Management

Manage your ElevenLabs connections at https://api.maton.ai.

List Connections

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/connections?app=elevenlabs&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Create Connection

python <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'elevenlabs'}).encode()
req = urllib.request.Request('https://api.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Get Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

{
  "connection": {
    "connection_id": "{connection_id}",
    "status": "ACTIVE",
    "creation_time": "2026-02-12T00:50:40.292363Z",
    "last_updated_time": "2026-02-12T00:51:14.547893Z",
    "url": "https://connect.maton.ai/?session_token=...",
    "app": "elevenlabs",
    "metadata": {}
  }
}

Open the returned url in a browser to complete authorization.

Delete Connection

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Specifying Connection

If you have multiple ElevenLabs connections, specify which one to use with the Maton-Connection header:

python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/elevenlabs/v1/voices')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Maton-Connection', '{connection_id}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

If you have multiple connections, always include this header to ensure requests go to the intended account.

Security & Permissions

  • Access is scoped to text-to-speech, voices, voice cloning, audio generation, and projects within the connected ElevenLabs account.
  • All write operations require explicit user approval. Before executing any create, update, or delete call, confirm the target resource and intended effect with the user.

API Reference

Text-to-Speech

Convert Text to Speech

POST /elevenlabs/v1/text-to-speech/{voice_id}
Content-Type: application/json

{
  "text": "Hello, this is a test of the ElevenLabs API.",
  "model_id": "eleven_multilingual_v2",
  "voice_settings": {
    "stability": 0.5,
    "similarity_boost": 0.75
  }
}

Returns audio data (mp3 by default).

Query parameters:

  • output_format - Audio format (e.g., mp3_44100_128, pcm_16000, pcm_22050)

Stream Text to Speech

POST /elevenlabs/v1/text-to-speech/{voice_id}/stream
Content-Type: application/json

{
  "text": "Hello, this is streamed audio.",
  "model_id": "eleven_multilingual_v2"
}

Returns streaming audio data.

Text to Speech with Timestamps

POST /elevenlabs/v1/text-to-speech/{voice_id}/with-timestamps
Content-Type: application/json

{
  "text": "Hello world",
  "model_id": "eleven_multilingual_v2"
}

Returns audio with word-level timestamps.

Voices

List Voices

GET /elevenlabs/v1/voices

Returns all available voices including premade and cloned voices.

Get Voice

GET /elevenlabs/v1/voices/{voice_id}

Returns metadata about a specific voice.

Get Default Voice Settings

GET /elevenlabs/v1/voices/settings/default

Get Voice Settings

GET /elevenlabs/v1/voices/{voice_id}/settings

Create Voice Clone

POST /elevenlabs/v1/voices/add
Content-Type: multipart/form-data

name: My Cloned Voice
files: [audio_sample.mp3]
description: A custom voice clone
remove_background_noise: false

Edit Voice

PATCH /elevenlabs/v1/voices/{voice_id}/edit
Content-Type: multipart/form-data

name: Updated Voice Name
description: Updated description

Delete Voice

DELETE /elevenlabs/v1/voices/{voice_id}

Models

List Models

GET /elevenlabs/v1/models

Returns available models:

  • eleven_multilingual_v2 - Latest multilingual model
  • eleven_turbo_v2_5 - Low-latency model
  • eleven_monolingual_v1 - Legacy English model (deprecated)

User

Get User Info

GET /elevenlabs/v1/user

Get Subscription Info

GET /elevenlabs/v1/user/subscription

Returns subscription details including character limits and usage.

History

List History Items

GET /elevenlabs/v1/history?page_size=100

Query parameters:

  • page_size - Number of items per page (default: 100, max: 1000)
  • start_after_history_item_id - Cursor for pagination
  • voice_id - Filter by voice

Get History Item

GET /elevenlabs/v1/history/{history_item_id}

Get Audio from History

GET /elevenlabs/v1/history/{history_item_id}/audio

Returns the audio file for a history item.

Delete History Item

DELETE /elevenlabs/v1/history/{history_item_id}

Download History Items

POST /elevenlabs/v1/history/download
Content-Type: application/json

{
  "history_item_ids": ["id1", "id2", "id3"]
}

Returns a zip file with the requested audio files.

Sound Effects

Generate Sound Effect

POST /elevenlabs/v1/sound-generation
Content-Type: application/json

{
  "text": "A thunderstorm with heavy rain and distant thunder",
  "duration_seconds": 10.0
}

Query parameters:

  • output_format - Audio format (e.g., mp3_44100_128)

Audio Isolation

Remove Background Noise

POST /elevenlabs/v1/audio-isolation
Content-Type: multipart/form-data

audio: [audio_file.mp3]

Returns cleaned audio with background noise removed.

Stream Audio Isolation

POST /elevenlabs/v1/audio-isolation/stream
Content-Type: multipart/form-data

audio: [audio_file.mp3]

Speech-to-Text

Transcribe Audio

POST /elevenlabs/v1/speech-to-text
Content-Type: multipart/form-data

audio: [audio_file.mp3]
model_id: scribe_v1

Returns transcription with optional word-level timestamps.

Speech-to-Speech (Voice Changer)

Convert Voice

POST /elevenlabs/v1/speech-to-speech/{voice_id}
Content-Type: multipart/form-data

audio: [source_audio.mp3]
model_id: eleven_multilingual_sts_v2

Transforms audio to use a different voice while preserving intonation.

Projects

List Projects

GET /elevenlabs/v1/projects

Get Project

GET /elevenlabs/v1/projects/{project_id}

Create Project

POST /elevenlabs/v1/projects
Content-Type: application/json

{
  "name": "My Audiobook Project",
  "default_title_voice_id": "voice_id",
  "default_paragraph_voice_id": "voice_id"
}

Pronunciation Dictionaries

List Pronunciation Dictionaries

GET /elevenlabs/v1/pronunciation-dictionaries

Create Pronunciation Dictionary

POST /elevenlabs/v1/pronunciation-dictionaries/add-from-file
Content-Type: multipart/form-data

name: My Dictionary
file: [lexicon.pls]

Response Headers

ElevenLabs API responses include useful headers:

  • x-character-count - Characters used in the request
  • request-id - Unique request identifier

Pagination

History and other list endpoints use cursor-based pagination:

GET /elevenlabs/v1/history?page_size=100&start_after_history_item_id=last_item_id

Code Examples

JavaScript - Text to Speech

const response = await fetch(
  'https://api.maton.ai/elevenlabs/v1/text-to-speech/JBFqnCBsd6RMkjVDRZzb',
  {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${process.env.MATON_API_KEY}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      text: 'Hello world!',
      model_id: 'eleven_multilingual_v2'
    })
  }
);
const audioBuffer = await response.arrayBuffer();

Python - Text to Speech

import os
import requests

response = requests.post(
    'https://api.maton.ai/elevenlabs/v1/text-to-speech/JBFqnCBsd6RMkjVDRZzb',
    headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'},
    json={
        'text': 'Hello world!',
        'model_id': 'eleven_multilingual_v2'
    }
)
audio_data = response.content
with open('output.mp3', 'wb') as f:
    f.write(audio_data)

Python - List Voices

import os
import requests

response = requests.get(
    'https://api.maton.ai/elevenlabs/v1/voices',
    headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'}
)
voices = response.json()
for voice in voices['voices']:
    print(f"{voice['name']}: {voice['voice_id']}")

Notes

  • Text-to-Speech is billed per character
  • Sound Effects are billed per generation
  • Speech-to-Text is billed per audio minute
  • Audio output format can be specified as codec_sample_rate_bitrate (e.g., mp3_44100_128)
  • Models available: eleven_multilingual_v2 (recommended), eleven_turbo_v2_5 (low latency)
  • Voice IDs can be found using the List Voices endpoint
  • Maximum text length varies by model
  • IMPORTANT: When using curl commands, use curl -g when URLs contain brackets to disable glob parsing
  • IMPORTANT: When piping curl output to jq, environment variables may not expand correctly. Use Python examples instead.

Error Handling

| Status | Meaning | |--------|---------| | 400 | Missing ElevenLabs connection or invalid request | | 401 | Invalid or missing Maton API key | | 403 | Insufficient permissions or quota exceeded | | 422 | Invalid parameters | | 429 | Rate limited | | 4xx/5xx | Passthrough error from ElevenLabs API |

Troubleshooting: API Key Issues

  1. Check that the MATON_API_KEY environment variable is set:
echo $MATON_API_KEY
  1. Verify the API key is valid by listing connections:
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://api.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Troubleshooting: Invalid App Name

  1. Ensure your URL path starts with elevenlabs. For example:
  • Correct: https://api.maton.ai/elevenlabs/v1/voices
  • Incorrect: https://api.maton.ai/v1/voices

Resources