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Overview

CartesiaSTTService provides real-time speech recognition using Cartesia’s WebSocket API with the ink-whisper model, supporting streaming transcription with both interim and final results for low-latency applications.

Cartesia STT API Reference

Pipecat’s API methods for Cartesia STT integration

Example Implementation

Complete example with transcription logging

Cartesia Documentation

Official Cartesia STT documentation and features

Cartesia Platform

Access API keys and transcription models

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Installation

To use Cartesia services, install the required dependency: 
pip install "pipecat-ai[cartesia]"

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Prerequisites

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Cartesia Account Setup

Before using Cartesia STT services, you need:
  1. Cartesia Account: Sign up at Cartesia
  2. API Key: Generate an API key from your account dashboard
  3. Model Access: Ensure access to the ink-whisper transcription model

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Required Environment Variables

  • CARTESIA_API_KEY: Your Cartesia API key for authentication