How to Use Twilio's WhatsApp API in CakePHP
Blog post from Twilio
This tutorial provides a comprehensive guide on integrating Twilio's WhatsApp Business API with a CakePHP application to enable the sending of customized messages to users via WhatsApp. It outlines the necessary prerequisites, including having PHP 8.3 or higher, Composer, and a Twilio account, and details the steps for creating a new CakePHP project, installing the Twilio PHP helper library, and securely storing Twilio API access tokens using environment variables. The guide further explains setting up a Twilio Sandbox WhatsApp number, creating a service class for sending messages, developing a controller for handling application logic, and creating a template for user input. It concludes with instructions for testing the application by sending messages, highlighting the potential for delays based on message status, and emphasizes Twilio's API as a powerful tool for businesses to engage with users through WhatsApp.