Send and Receive WhatsApp Messages With Python, FastAPI, and Vonage

Benjamin Aronov, a developer advocate at Vonage, shares a detailed tutorial on building a WhatsApp bot using Python, FastAPI, and the Vonage Messages API. The guide outlines steps to create a real-time messaging service that can automate tasks like customer support and marketing flows by sending and receiving WhatsApp messages. It covers configuring a Vonage application with webhooks, setting up a FastAPI project, and utilizing ngrok to expose the local server for webhook reception. By initializing the Vonage Python SDK, users can handle incoming messages and send replies, including reversing messages as a demonstration of two-way communication. The tutorial also provides instructions for tracking message delivery status and includes a bonus script for sending messages programmatically via the command line. This comprehensive walkthrough serves as a foundation for developing real-time support or chatbot applications, encouraging further exploration with related projects like connecting WhatsApp to ChatGPT or exploring RCS messaging.