> ## 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.

# Rime TTS

> Configure Rime text-to-speech with ultra-low-latency WebSocket streaming in assistant-api.

Rime provides ultra-low-latency streaming speech synthesis via WebSocket. Audio is streamed as PCM at 16kHz for direct pipeline integration.

**Provider identifier:** `rime`

***

## Vault Credential

| Key   | Description                                  |
| ----- | -------------------------------------------- |
| `key` | Rime API key from [rime.ai](https://rime.ai) |

***

## Setup

<Steps>
  <Step title="Get a Rime API key">
    Sign in at [rime.ai](https://rime.ai) → **Dashboard → API Keys**.
  </Step>

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

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

    | Option        | Example  | Description                                                                       |
    | ------------- | -------- | --------------------------------------------------------------------------------- |
    | `voice_id`    | `river`  | Rime voice ID (Arcana: `luna`, `celeste`, `orion`; Mist: `river`, `cove`, `peak`) |
    | `model`       | `mistv2` | Model: `mist`, `mistv2`, `arcana`                                                 |
    | `language`    | `eng`    | Language: `eng`, `spa`, `hin`, `fra`, `ger`                                       |
    | `speed_alpha` | `1.0`    | Speech speed multiplier (0.1–3.0)                                                 |

    Find available voices in the [Rime Voice Library](https://rime.ai/docs).
  </Step>
</Steps>

***

<CardGroup cols={2}>
  <Card title="ElevenLabs" icon="microphone" href="/opensource/services/assistant-api/tts/elevenlabs">
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