> ## Documentation Index
> Fetch the complete documentation index at: https://doc.rapida.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# ElevenLabs TTS

> Configure ElevenLabs text-to-speech with voice cloning in assistant-api.

ElevenLabs provides high-fidelity streaming speech synthesis with voice cloning capabilities. Audio is streamed via WebSocket for low-latency delivery.

**Provider identifier:** `elevenlabs`

***

## Vault Credential

| Key   | Description                                                    |
| ----- | -------------------------------------------------------------- |
| `key` | ElevenLabs API key from [elevenlabs.io](https://elevenlabs.io) |

***

## Setup

<Steps>
  <Step title="Get an ElevenLabs API key">
    Sign in at [elevenlabs.io](https://elevenlabs.io) → **Profile → API Key**.
  </Step>

  <Step title="Add to Rapida vault">
    In the Rapida dashboard → **Credentials → Create Credential**, select provider **ElevenLabs**, enter `key` = your API key.
  </Step>

  <Step title="Configure the assistant">
    In the assistant settings → **TTS Provider**, select **ElevenLabs**.

    | Option             | Example                | Description                                                               |
    | ------------------ | ---------------------- | ------------------------------------------------------------------------- |
    | `voice_id`         | `21m00Tcm4TlvDq8ikWAM` | ElevenLabs voice ID                                                       |
    | `model_id`         | `eleven_turbo_v2_5`    | Model: `eleven_turbo_v2_5`, `eleven_multilingual_v2`, `eleven_flash_v2_5` |
    | `stability`        | `0.5`                  | Voice stability (0.0–1.0)                                                 |
    | `similarity_boost` | `0.75`                 | Voice clarity (0.0–1.0)                                                   |

    Find voice IDs in the [ElevenLabs Voice Library](https://elevenlabs.io/voice-library).
  </Step>
</Steps>

***

<CardGroup cols={2}>
  <Card title="Cartesia" icon="zap" href="/opensource/services/assistant-api/tts/cartesia">
    Ultra-low latency alternative
  </Card>

  <Card title="TTS Overview" icon="volume" href="/opensource/services/assistant-api/tts/overview">
    All TTS providers
  </Card>
</CardGroup>