How to Build an RCS Business Messaging Campaign with Twilio

Rich Communication Services (RCS) Business Messaging extends SMS with native rich-media features such as branded sender identities, images, interactive cards, suggested replies, call-to-action buttons, and read receipts, and Twilio supports it through its Programmable Messaging API. The tutorial explains how to build a Node.js RCS campaign by registering a verified RCS Sender, associating it with a Messaging Service, creating a reusable personalized card template through Twilio’s Content API, and sending it to test recipients stored in a JSON file. It uses an Express server and ngrok to receive delivery status callbacks and inbound responses, enabling tracking of queued, sent, delivered, read, failed, and undelivered messages while responding to actions such as requesting a promo code or unsubscribing. It also notes that Twilio can fall back to SMS for unsupported devices, outlines common troubleshooting issues involving sender configuration, test devices, phone formatting, and webhooks, and suggests production improvements including database-backed audiences, carousel content, persistent analytics, and webhook validation.

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