Building a Voice Chatbot with WebRTC and the OpenAI Realtime API

This post details building a voice chatbot using WebRTC and the OpenAI Realtime API. The author overcomes sparse documentation to provide a step-by-step guide covering microphone audio acquisition, WebRTC connection establishment, data channel setup, and Realtime API message exchange. Best practices are highlighted, including function calls for responses and session termination, and running the application on older Google AIY Voice Kits. The author explores alternative approaches, such as headless browser solutions and embedded SDKs, showcasing WebRTC's expanding reach.