> For the complete documentation index, see [llms.txt](https://developer.providusbank.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.providusbank.com/reference/api-reference/oauth-2.0-authentication.md).

# OAuth 2.0 Authentication

Subpage 2: Rate Limiting