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Overview

AssemblyAISTTService provides real-time speech recognition using AssemblyAI’s WebSocket API with support for interim results, end-of-turn detection, and configurable audio processing parameters for accurate transcription in conversational AI applications.

AssemblyAI STT API Reference

Pipecat’s API methods for AssemblyAI STT integration

Example Implementation

Complete example with interruption handling

AssemblyAI Documentation

Official AssemblyAI documentation and features

AssemblyAI Console

Access API keys and transcription features

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Installation

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

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Prerequisites

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AssemblyAI Account Setup

Before using AssemblyAI STT services, you need:
  1. AssemblyAI Account: Sign up at AssemblyAI Console
  2. API Key: Generate an API key from your dashboard
  3. Model Selection: Choose from available transcription models and features

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Required Environment Variables

  • ASSEMBLYAI_API_KEY: Your AssemblyAI API key for authentication