> For the complete documentation index, see [llms.txt](https://fusionauth.io/docs/llms.txt)

# Theme APIs

Learn about the APIs for customizing a theme.

This section contains information about the APIs used to customize FusionAuth themes.

[Advanced Themes Learn about the APIs for creating, retrieving, updating, and deleting hosted login page themes.](https://fusionauth.io/docs/apis/themes/advanced-themes.md)

[Simple Themes Learn about the APIs for creating, retrieving, updating, and deleting simple themes for hosted login pages.](https://fusionauth.io/docs/apis/themes/simple-themes.md)