> For the complete documentation index, see [llms.txt](https://guides.clickatell.com/release-notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.clickatell.com/release-notes/release-notes-archive/2021-release-notes/q4-2021/channel-updates/whatsapp.md).

# WhatsApp

* [WhatsApp template sample messages](/release-notes/release-notes-archive/2021-release-notes/q4-2021/channel-updates/whatsapp/whatsapp-template-sample-messages.md)
* [WhatsApp application form & notifications enhancements](/release-notes/release-notes-archive/2021-release-notes/q4-2021/channel-updates/whatsapp/whatsapp-application-form-and-notifications-enhancements.md)
* [WhatsApp Message Templates for Chat 2 Pay Extension](/release-notes/release-notes-archive/2021-release-notes/q4-2021/channel-updates/whatsapp/whatsapp-message-templates-for-chat-2-pay-extension.md)