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

# Overlays

## Intro

Welcome to the Custom Overlay docs! This group of docs will have all the information on the API and systems powering custom overlays, we'll be talking about the helper functions, best practices, etc.