Simplest way to obtain an Oauth2 token for my own use with my own app

With the switch to Samsung credentials, I need a new OAuth token. I used to use but that has been retired. Is there a trivial site that would allow me to present my credentials can get a token I can use?

Plan b would be a node app I can use but the only sample is 4 years old. I"m tantalizingly close – just need to figure out the redirect_uri and any server code I need on my side.

It should be simple … but one aha short of getting it all.

Not sure if this is what you want but according to the section of the Docs on Authorisations and Permissions you can manage personal access tokens here:

Thanks. I tried it but might not be doing it right. Fortunately I’ve been shifting to a local platform to avoid such problems but I do appreciate the help.