ElevenLabs TTS

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

Setup

Get an ElevenLabs API key

Add to Rapida vault

In the Rapida dashboard → Credentials → Create Credential, select provider ElevenLabs, enter key = your API key.

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.

Cartesia

Ultra-low latency alternative

TTS Overview

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Getting Started

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Vault Credential

Setup

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TTS Overview

​Vault Credential

​Setup

Cartesia

TTS Overview

Vault Credential

Setup