WhatsApp Business API pricing charges you based on conversations, not individual messages. You only pay for what you use, and the price depends on the conversation type—like utility, authentication, marketing, or service—and where your customers are. Each conversation runs for 24 hours from the first message. On top of that, some solution providers might tack on setup or platform fees... https://www.xpectoitsolutions.com/whatsapp-business-api