Because your Google OAuth Client requires information from your Authic Client Application it is best to setup your Authic Client Application before setting up your Google Oauth 2.0 Client ID.
https://[subdomain].authic.com/auth/google_oauth2/callbackin the 'Authorized Redirect URIs' field, where
[subdomain]is the subdomain you chose when setting up your Authic Client Application.
Well done. You have now created your Google Client ID. Great success! Leave this browser tab open as you need to copy details from this page into your Authic Client Application as described below.
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: