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Cartesia is designed for real-time voice applications, offering ultra-low latency streaming synthesis optimised for conversational AI. Provider identifier: cartesia

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Vault Credential

KeyDescription
keyCartesia API key from play.cartesia.ai

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Setup

1

Get a Cartesia API key

Sign in at play.cartesia.ai → API Keys.
2

Add to Rapida vault

In the Rapida dashboard → Credentials → Create Credential, select provider Cartesia, enter key = your API key.
3

Configure the assistant

In the assistant settings → TTS Provider, select Cartesia.
OptionExampleDescription
voice_ida0e99841-438c-4a64-b679-ae501e7d6091Cartesia voice ID
model_idsonic-englishModel: sonic-english, sonic-multilingual
languageenLanguage code

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TTS Overview

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