Secure API Manager provides details of gateway connections and latency in your environment.
NOTE:The Gateway Connections and Gateway Latency pages display data only if you are logged on to an appliance that has a gateway deployed.
Log in to the appliance management console as the vaadmin user.
https://ip-address-or-dns-name-appliance:9443
Click Deployment Manager, then select Advanced from the menu.
(Optional) Click the Gateway Connections tab to view data about HTTP and HTTPS connections on the gateway.
(Optional) Click the Gateway Latency tab to view latency information.