There are two ways to create a link to WhatsApp. API WhatsApp You can use a link using with this format: https://api.whatsapp.com/send?phone=34627524218&text=Test%20Link%20WhatsApp Web WhatsApp Or you can use this format: https://web.whatsapp.com/send?phone=34627524218&text=Test%20Link%20WhatsApp You will see the result is similar. If you have the application installed you can just jump to the application. If you do not have the application ready, you can use the WhatsApp Browser version. Solucionts for developers and hosting companies If you manage a lot of websites, you can use this API base solution to manage your WhatsApp Widget. https://services.tochat.be/doc Github repository for WhatsApp API Please view our Github repository > https://github.com/chatwithio Get your WhatsApp API Get your WhatsApp Verified (create your account at ToChat.be) Post navigation PHP WhatsApp API Manage multiple WhatsApp Widgets With one API