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

# features

- [Authentication](https://docs.extrahorizon.com/javascript-sdk/features/authentication.md)
- [Users](https://docs.extrahorizon.com/javascript-sdk/features/users.md)
- [Data](https://docs.extrahorizon.com/javascript-sdk/features/data.md)
- [Files](https://docs.extrahorizon.com/javascript-sdk/features/files.md)
- [Guide](https://docs.extrahorizon.com/javascript-sdk/features/guide.md)