WhatsApp Business API charges you per 24-hour conversation session, not per message. The price changes depending on what kind of chat you’re having—like marketing, utility, authentication, or service—and even where your customers are. On top of Meta’s fees, you might also pay setup, hosting, or monthly charges to your WhatsApp Business Solution Provider. The whole system is pretty fle... https://www.xpectoitsolutions.com/whatsapp-business-api