Linking from external tools

say our domain is test.retool.com and we have a app under v2 folder naming user
so the following url http://test.retool.com/apps/v2/user opens our app subject to login in retool. Earlier that was the url, but now i see retool changes the url while loading ie it makes it something like http://test.retool.com/apps/23-2423423-42-423234-24/v2/user ie puts this random string 23-2423423-42-423234-24.

So my question is in my external tool should I use http://test.retool.com/apps/v2/user or http://test.retool.com/apps/23-2423423-42-423234-24/v2/user ? Is the second option faster to load as its less redirect and also if I go for the second option will the "random string" static ? how does it change if at all ?

Hey, that random string is the URI. I'd recommend using that in your external tool as this is the public URL for your app. It should not change.