A custom integration (not supported by Smartsupp themselves) written to include Smartsupp on your website as well as integrate it with logged in clients.
Navigate inside the modules folder and run composer install:
cd modules/addons/smartsupp
composer installCopy the modules folder to your whmcs installation folder. After that you will have to activate it by going to Setup -> Addon modules (admin/configaddonmods.php) and finding and activating "Smartsupp WHMCS Module". Then fill out at least the API key and enable it and it will start showing.