The integration allows you to connect regular accounts as well as WhatsApp Business accounts and doesn't require access to WhatsApp Business API.
WhatsApp integration is custom development of Blinger.io, created according to the "reverse engineering" principle.
1. Open the section "Settings" and click on "WhatsApp Web / Desktop"
2. Before scanning you should click on "Log out from all computers", after which "Scan QR-code"
1. Go to the messaging app menu and select «WhatsApp Web»
2. In the window which appeared click on "Log out from all computers", and then "+", to turn on the camera for QR-code scanning.