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1

Create an account and API key

Sign in to the Sabi playground, open API keys, and create a key. The plaintext sk_… key is shown once — store it somewhere safe.
2

Set your API key

The API base URL is https://sabi-tts.dev.neuralace.co.
3

Generate speech

4

Make it expressive

Add audio tags to the input text:

Next steps

Capella configuration

All parameters, defaults, and environment variables.

Stream speech

Sentence-by-sentence audio over WebSocket.