> ## 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.

# Neuphonic

> Neuphonic provides multilingual streaming text-to-speech via WebSocket with adjustable speech speed.

## Overview

Neuphonic is a text-to-speech platform offering real-time voice synthesis via WebSocket streaming. It supports a wide range of languages and provides speed control for flexible voice assistant deployments.

## Authentication

| Key   | Description                                         |
| ----- | --------------------------------------------------- |
| `key` | API key from [neuphonic.com](https://neuphonic.com) |

## Configuration

| Option     | Description                                                         |
| ---------- | ------------------------------------------------------------------- |
| `voice_id` | Neuphonic voice identifier                                          |
| `language` | Language code (e.g. `en`, `de`, `es`, `fr`, `pt`, `it`, `nl`, `pl`) |
| `speed`    | Speech speed multiplier (0.1–3.0; default `1.0`)                    |

## Getting Started

<Steps>
  <Step title="Add Neuphonic credentials to your vault">
    Navigate to **Integration → Vault** in the Rapida dashboard. Add your Neuphonic API key from your [Neuphonic account](https://neuphonic.com).
  </Step>

  <Step title="Select Neuphonic as your TTS provider">
    When configuring your assistant, open **Audio Settings** and choose **Neuphonic** as your Text-to-Speech provider.
  </Step>

  <Step title="Configure voice and language">
    Select a voice ID and set the desired language code. Adjust the speed parameter if needed.
  </Step>
</Steps>

## Related

* [Rime TTS](/integrations/tts/rime)
* [ElevenLabs TTS](/integrations/tts/elevenlabs)