Each call needs your Connection Hostname
Each API call requires that you define the HOST: and include your Connection Hostname.
Host: [Domain Prefix]-nsu.akamaihd.net
This full value is your NetStorage HTTP API "Connection Hostname". The
[Domain Prefix] is a unique value
you set up and associate with the target storage group when it is created. The remaining
the specific URI associated with the NetStorage Usage API.
You can view your Connection Hostname in the NetStorage Groups UI in Control Center.