Click to Chat Zyro CMS (Hostinger) and WhatsApp Widget Click to Chat How to add WhatsApp Widget to ZYRO CMS from Hostinger Add WhatsApp Widget to your ZYRO website. Easy and free solution. By César Martín (ToChat.be) We develop WhatsApp solutions, WhatsApp API and WhatsApp Widgets. Please contact us for more information. We are here to help you. View all of César Martín (ToChat.be)'s posts.