In order to verify if the endpoint is PCI enabled, please go to specific endpoint and navigate to "Domain and Traffic Routing" Section. If you see the field value "Require Enhanced Security" listed as disabled. Then the endpoint is not PCI enabled.
Once you make the field "Require Enhanced Security" "Enabled" this field will be hidden from the UI and becomes a PCI enabled endpoint and you wouldn't be able to publish a PCI enabled endpoint in IO docs.
1. PCI-Enabled endpoint: 2. Non -PCI enabled (PCI Disabled endpoint)
Issue/Introduction
This article explains how to verify if the endpoint if PCI enabled and we cannot publish iodocs for PCI enabled endpoints