I need to know if I can use OneLogin as my single sign-on or if any API documentation I would need to do so.
It looks like OneLogin may support OAuth2 industry standard authentication protocols, in which case if you’re using v23 you should be able to use the SSO options in System Admin > Third Party Settings. There is a “generic” option you can try, where you enter the API keys and details for the OneLogin system. Be sure to match the email addresses in Gibbon to the ones used by your OneLogin users. It looks like OneLogin is a paid system, so I don’t have the exact instructions you can use, but if they implement OAuth2 in a standard way, it should work with Gibbon.