Whatsapp Widget: Send Message on Website without opening App

[tuanphan]

Ah. I found the answer. Thank you!

WhatsApp Chat: [Major Update] Introducing Pre-filled Messages, Direct Messaging, and Chat URL Sharing

A bunch of cool features has been released for our WhatsApp Chat app

Pre-filled message

We’ve added an option to set a pre-filled message that appears in WhatsApp when a user initiates a chat (Start Chat Button method): <a class="lightbox" href="https://us1.discourse-cdn.com/flex020/uploads/elfsight/original/3X/1/5/15612e657316a71006204a07f63ad59867e1903e.png" data-download-href="/uploads/short-url/338eFW6ydn96jEtdTd3dl6rdl6K.png?dl=1" title="…