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

# Oauth 2.0 Authorization

Before you access any data stored WorkSmart via Web API, you must first request an `Access Token`. No data is accessible via the Web API without sending a valid `Access Token`.

You can obtain `Access Token` using two ways :

* Using Authorization Code (Auth Code Flow) – recommended
* Using Client Credentials