This is a addon to chat with your customers using Facebook Messenger integrated with your FanPage, not your personal Facebook account.
Be the first to review FanPage Chat Messenger OpenSource.
The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.
Free live chat App
Chat and Engage with Your Customers to Increase Conversions!
A premium live chat and help desk software for customer service and online sales.
PreMadeKB - Readymade Knowlegebase Articles for WHMCS - With Images and 444+ Articles on cPanel, Plesk, DA, Softaculous, etc.
Find a client with his PIN code & be sure that the request is legit.