How to add a variable to a GET contents of url in shortcuts

I want to create an automated shortcut that texts me the information of an api every morning. I know how to do just a normal text and I know how to even do a normal api, but what if the api changed daily? What I mean by this is the api is named after the date. So for example, today would be https://example.com/<todaysDate> How do I add a variable within the url in the Get contents of url so that it automatically changed the date every day?