WhatsApp Chatbots with ChatGPT and Function Calling

Automating customer communication with conversational AI transforms how businesses interact with users in real time. This text-based course guides you through developing custom WhatsApp chatbots powered by ChatGPT models and modern function calling capabilities. You will start with core messaging architecture and API fundamentals, progressing to structured prompt design, tool execution, and dynamic data retrieval. Through step-by-step written explanations and practical code examples, you will acquire the skills needed to deploy reliable conversational agents. What you'll learn: Understand foundational concepts of messaging APIs, webhooks, and conversational AI architecture; Configure webhook endpoints to receive, process, and reply to WhatsApp messages reliably; Apply function calling to allow ChatGPT to fetch dynamic external data and trigger custom actions; Design structured prompt workflows to manage multi-turn conversation state and handle edge cases; Implement security best practices, input validation, and rate limiting for messaging bots. The curriculum begins with essential terminology and foundational definitions before moving into practical implementation patterns and automated workflows. Designed specifically for beginners and developers interested in messaging automation, this course requires no prior chatbot experience. Start reading today to build your own intelligent WhatsApp assistants.