Build an AI Appointment Caller with OpenAI Realtime API and Google Calendar

Learn to create an AI-powered appointment booking system that makes outbound calls using OpenAI's Realtime API and automatically schedules appointments in Google Calendar. Build a complete automation workflow using Make.com as the backend to handle both outbound calling functionality and calendar integration. Set up the system architecture using Replit for code deployment and Twilio for voice calling capabilities. Configure webhook connections between different services to create a seamless booking experience. Master prompt engineering techniques by implementing main and secondary prompts that guide the AI's conversation flow during calls. Develop functions for handling call interruptions, managing the booking process, and gracefully ending conversations. Deploy your code to a live environment and integrate it with Google Calendar through Make.com's automation platform. Debug common issues and optimize the booking process for faster appointment scheduling. Gain hands-on experience with modern AI tools including OpenAI's Realtime API, Make.com automation workflows, Twilio voice services, and Google Calendar API integration.

Syllabus

00:00 Explaining the functionality and stack
01:35 Live demonstration of the outbound call and booking
04:20 Overview of the Replit code
05:40 Explaining how to place outbound calls using make.com
07:28 Explaining the main prompt and secondary prompt
09:50 Make.com webhook setup
14:40 How to make the booking process faster
17:15 How the Twilio call is set up
20:16 How to Google Calendar function works
23:30 Handling interruptions
23:55 How the end call function works
28:55 How the booking function works
32:30 Setting up the env file
34:10 Deploying the Replit code to make it live
35:00 Google Calendar make.com full breakdown
45:13 Setting up the Replit URL in make.com
46:30 Final Demo & Debugging
52:56 Whart else to watch and how to contact me