Prerequisites
- A registered Meta for Developers business account.
- A dedicated phone number not currently linked to personal WhatsApp or the WhatsApp Business mobile app.
- An approved WhatsApp Business Profile.
Connection Steps
1
Open WhatsApp Settings
In your dashboard, navigate to Channels > WhatsApp.
2
Connect Meta Business Account
Click Connect with Facebook. A secure Meta OAuth window will open requesting permissions for
whatsapp_business_messaging and whatsapp_business_management.3
Select Phone Number & Verify Webhook
Select your verified business phone number. Leadblanc automatically configures the webhook handshake and cryptographic signature verification with Meta.
24-Hour Messaging Window & Templates
WhatsApp imposes a standard 24-hour customer service window:- User-Initiated Inquiries: When a customer messages your number, the 24-hour window opens. The Leadblanc agent can respond with free-form text, product cards, images, and quick-reply buttons.
- Business-Initiated Outreach (Outbound): To message customers outside the 24-hour window or send marketing broadcasts, you must use Pre-approved WhatsApp Message Templates managed in Outbound > Templates.