With the new API, is it possible to create a page that needs user login and another page where that information in stored.
A client wants a hidden page with some information. This can be solved with a password protected page, but he also want to see who logged in to get that information and who has access to that information in a database.
Your request is quite broad, and may not be easily answerable/solvable via the forums as most of the community are designers. Would you like to move your post to the Freelance category instead?
Alternatively, you can also contact specialists in the directory to custom code a solution for you.