> For the complete documentation index, see [llms.txt](https://docs.usewuf.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.usewuf.com/reference.md).

# Reference

- [API Reference](https://docs.usewuf.com/reference/api-reference.md)
- [Push](https://docs.usewuf.com/reference/api-reference/push.md): Send push notifications
- [User Groups](https://docs.usewuf.com/reference/user-groups.md)
- [UI Components](https://docs.usewuf.com/reference/ui-components.md)
- [Collect User Key](https://docs.usewuf.com/reference/ui-components/collect-user-key.md): Automatically collect the user key with the pre-made UI components