https://codecanyon.net/item/wordpress-whatsapp-support/20963962

More than 1 billion people in over 180 countries use WhatsApp. WordPress Support Using WhatsApp plugin provides a better and easy way to communicate visitors and customers directly to your support person. It runs on your own WordPress site, allowing you full control over your support via WhatsApp. The WordPress Support Using WhatsApp plugin is a simple and powerful tool to show your team’s accounts or a support person in one box. It displays a list of WhatsApp account(s) on your site which when clicked, will take the user to that particular account on WhatsApp Web ( https://web.whatsapp.com/ ) if the user is using a desktop, or open the WhatsApp application if a user is on a mobile device.