WhatsApp Cloud API pricing is per delivered message, priced by the message's category and the recipient's country, with a few free cases. To know what you'll spend, estimate before a campaign from Meta's rate card, record what Meta says it charged from the pricing object on status webhooks, and ...
Source: [Dev.to](https://dev.to/wapgrowai_org/what-does-a-whatsapp-message-cost-estimating-and-reconciling-cloud-api-charges-in-code-1mn5)