Overview Twilio sends a POST webhook to your server when a user messages your Twilio number (inbound) or when an outbound message changes delivery state (status callback). Your server returns TwiML to reply, or to acknowledge without replying. The same webhook pattern works across SMS, MMS, WhatsApp, and RCS. --- Prerequisites - Twilio account with a messaging-capable sender configured with a webhook URL — New to Twilio? See — For sending outbound messages first, see - Publicly accessible endpoint (use for local dev) - and — see - SDK: / --- Quickstart Set your webhook URL in Console: Phone N…