Cartesia

Cartesia Ink Speech-to-Text API

The Ink streaming speech-to-text API transcribes audio in real time with native turn detection tuned for voice agents and conversational systems.

Documentation GitHub

Documentation

https://docs.cartesia.ai

https://docs.cartesia.ai/api-reference

Specifications

https://raw.githubusercontent.com/api-evangelist/cartesia/refs/heads/main/asyncapi/cartesia-asyncapi.yml

SDKs

https://github.com/cartesia-ai/cartesia-python

https://github.com/cartesia-ai/cartesia-js

Other Resources

https://cartesia.ai/pricing

AsyncAPI Specification