Cartesia provides real-time text-to-speech and speech-to-text APIs for conversational voice applications.

API

What your agent can do

  • Stream audio from a complete transcript

    Via API.

Tasks depend on the interface and permissions.

Connection methods

Choose a route that fits your agent.

API connection
API path
https://api.cartesia.ai/tts/bytes

Authentication
Authorization: Bearer <token>

Documentation & experience

  • 1 connection path
View sources and checks
How documentation is checked