> For the complete documentation index, see [llms.txt](https://listing-nb.gitbook.io/olo-full-app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://listing-nb.gitbook.io/olo-full-app/high-level-architecture.md).

# High Level Architecture

![](https://2784908697-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MUI1REwMYP10YsrgjI1%2F-MUI1_kXqKHyxxkGF3tx%2F-MUITSsIAHXgU7rgfVvy%2FGroup%201.png?alt=media\&token=70471051-85dd-4104-acd4-a5d2013acc57)

* User Mobile App communicates with only API Server
* Web dashboard communicates with only API Server