GET DiscourseConnect Single Sign On record via API's

[Lilly]

I think you can get the login info by reverse engineering the Discourse API:

How to know if user has SSO

If you’re using Discourse_connect then all users are using it, right? Or do you mean oauth? There is an admin route (and maybe a user preferences) that shows the login info. If you can find it in the ux you can How to reverse engineer the Discourse API.