Question on what the REST API does.
Release : 14.0
Component : CA Vantage Storage Resource Manager
This interface allows calls from a user-written app to obtain data from Vantage. No need to install the feature unless you have a request to let users get data from Vantage. It does require updates to your MVS security system to allow users to make the call.
We have a nice video overview of the API via the following link:
https://www.youtube.com/watch?v=HTjX2r9f47Y&list=PLynEdQRJawmxpTu9Jyx8EFItvmhT_Wn-u&index=18&t=37s
You can take a deeper look at the interface via the following doc: