To make use of Authic you need to register an Authic Client Application within Authic. Once created your users can authenticate with your web application via Authic using OAuth. Facebook Connect and Twitter OAuth authentication work in much the same way, except Authic allows you to whitelable the sign up and sign in screen to use as your very own.
On the register application screen with the Core tab selected. This tab contains all the mandatory information that we will need to capture about your web application in order to register a functional Authic Client Application for it.
https://yourapp.com/auth/authic/callbackThis is a relatively standard pattern for an Oauth callback URL however what you enter ultimately depends entirely on how the callback flow is implemented in your website.
That's all the basic info you need to get Authic working.
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: