1. Clone repository:

   git clone https://github.com/brianandhikap/whatsapp-webhook
   

2. Install

   sudo apt install chromium-browser
   npm init -y
   npm install whatsapp-web.js qrcode-terminal express body-parser
   node index.js
   

3. Scan QR

4. Test send massage from another account

5. This is basic, you can adjust it according to your needs. For example, it can be integrated with Telegram, or others.