3 ms·I've wondered about doing this. Does WhatsApp let you send messages to arbitrary users via an API?by apitman 2y agoI've wondered about doing this. Does WhatsApp let you send messages to arbitrary users via an API?aembleton 2y agoYes https://business.whatsapp.com/products/conversation-categories/authentication https://business.whatsapp.com/products/conversation-categori...apitman 2y agoThat looks even better than I hoped. Is this free?