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

# Premium functionality

On <https://www.happ.su/main/dev-docs/app-management> you can find a description of all advanced (premium) functionality unlocked by adding a Provider ID to your subscription.