> For the complete documentation index, see [llms.txt](https://zacx.gitbook.io/zacx-help-center/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zacx.gitbook.io/zacx-help-center/understanding-whatsapps-per-message-pricing-policy.md).

# Understanding WhatsApp's Per Message Pricing Policy

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The above video contains:

1. How whatsapp templates are charged as per the new pricing policy
2. What are the costs of each template and when are they charged
3. Understanding what is session window
4. Exceptions in per message cost during the session window