> For the complete documentation index, see [llms.txt](https://docs.parqex.com/-MUyxAVrX9S4wky8UoX6/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.parqex.com/-MUyxAVrX9S4wky8UoX6/oauth/how-to-authorize-access.md).

# How to Authorize Access

In order to communicate with a user's Controller, you must first prompt them to [authorize access to your app](/-MUyxAVrX9S4wky8UoX6/oauth/how-to-authorize-access/step-1-generate-authorization-url.md).
