This article is to help outline the process necessary to generate the x-hm authentication token in order to enable the use of HCX APIs
HCX Manager APIs
Access the following URL: https://<hcx-FQDN>/hybridity/docs/index.html
Provide the username and password for this user (vCenter credentials).
and then "Execute."
Gather the x-hm-authorization from the response headers:
When you navigate to other APIs you can click authorize and paste the x-hm-authorization value there.
This will allow you to authorize the use of subsequent APIs.