Getting App registered/ web setup from scratch. Total noob here

Thank you for your time and effort put into that post. That does help a little. So, none of my APIs have a required scope. At the very most, I think I’m pulling data from 6 APIs and that’s for the most part just basic profile information. So, I don’t have to mess around with OAuth. So, than I just need to have my Client-ID. But in order to get a client ID, I need to input something for the redirect URI, and I only need that if I’m using OAuth. So should I just put http://localhost in for the redirect URI? Just so I can get a Client-ID at the very least? My APIs are very basic, display very basic information about channels, or just even checking to make sure a channel exists. And on the Application registration page, can all of my APIs get registered under the same name? Say “Owyn APIs” or do I have to put like “UpTime API” so on and so forth