Vapi and Speechmatics: Build agents that understand every voice Building a Voice Agent with Letta and Vapi Letta Docs Attended an incredible AI Voice Call Agent workshop with Vapi today!, Learned how to build real time AI calling agents that can speak naturally, answer queries, automate customer interactions, and GitHub extrawest vapi_personal_assistant_voice_agent: A FastAPI based backend service for a personal assistant voice agent integrated with Vapi AI. This project demonstrates how to build a structured API that handles todo lists, reminders, calendar develop ai agents, vapi ai chatbots, ai mobile app, and ai websites