> For the complete documentation index, see [llms.txt](https://support.whapi.cloud/help-desk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.whapi.cloud/help-desk/users.md).

# Users

- [WhatsApp Usernames & BSUID](https://support.whapi.cloud/help-desk/users/whatsapp-usernames-and-bsuid.md): Preparing Your Integration for the Next WhatsApp Privacy Changes
- [Reserve and check a WhatsApp account username](https://support.whapi.cloud/help-desk/users/reserve-and-check-a-whatsapp-account-username.md): Set & Get WhatsApp account username via API