📱 WhatsApp Embedded Signup Tester

0 Configuration

Your Meta app credentials, stored server-side in config.json — no .env file or server restart needed.

1 Launch Embedded Signup

Opens Meta's Embedded Signup popup. Log in with Facebook, create or select a WhatsApp Business Account, and add a phone number.

2 Token Exchange

The authorization code returned by the popup is exchanged server-side for a business integration access token.

3 Post-Signup API Calls

4 Send Test Message

📋 Event Log