# Templates

> Posts on templates for developers using the WhatsApp Cloud API, from the WhaBuzz blog. 2 posts.

Source: https://whabuzz.com/blog/tag/templates/

- [WhatsApp template approval and rejections](https://whabuzz.com/blog/whatsapp-template-approval/): How Meta reviews WhatsApp message templates, the three categories, why templates get rejected, and how to catch the result through the API.
- [The WhatsApp 24-hour window explained](https://whabuzz.com/blog/whatsapp-24-hour-window/): How the WhatsApp customer service window works, the free entry point window, template rules, error 131047, and the 1 Oct 2026 billing changes.