https://[subdomain].authic.com/auth/twitter/callback/in the Site URL field, where
[subdomain]is the subdomain you chose when setting up your Authic Client Application.
:-) You have now created your Twitter App. Not too shabby... Leave this browser tab open as you need to copy details from this page into your Authic Client Application as described below.
That's it! Now your users can login to your application using their Twitter accounts. Try logging in yourself to see that everything is A-Ok.
Our Getting Started guide is (funnily enough) a great place to get started with Authic. If you have already read the Getting Started guide, then one of the following links might be what you are looking for: