Points To Remember Make sure that your CAS Server is up and running. How to set up CAS Rest api with JDBC Authentication. You have created a database and have dummy data in it. Program : Test CAS Rest Api from a Java Code You can use the following piece of code to test the CAS Rest API. You need to follow the following points for Authentication a user on CAS You need to make a GET or POST call depending on your CAS server setup. If the Username and Password are correct then you will get a TGT (Ticket Granting Token) Now we will make a call to the service url of our application to get the Service Ticket. On success you will get a Service Ticket If you have service the Service Token, then you have successfully authenticated the user. Save this service ticket in a cookie or session, since a service ticket can be used only once You will get the following type of response if everything is working fine. string s = username=admin%40gmail.com&password=igdefault 201 https://ekansh:84...