For LinkedIn, the registration steps are:
- Create a new project: https://www.linkedin.com/secure/developer
- In the OAuth User Agreement section:
- In default scope, select r_basicprofile and r_emailaddress.
- In "OAuth 2.0 Redirect URLs", enter
https://internal.yourcompany.com/oauth2/callback
- Fill in the remaining required fields and Save.
- Take note of the Consumer Key / API Key and Consumer Secret / Secret Key