Yes, run time policies are maintained in API Gateway and not in CentraSite.
There is no communication between API Gateway and CentraSite at design time (there wasn’t for prior versions either).
API Gateway uses Elastic Search to capture metrics at run time. For v10.0, there is no direct communication between API Gateway and CentraSite. This will be available in v10.1 (for example, publishing a service to the API Gateway).
#CentraSite#webMethods#API-Management