If you are restricting the outbound data traffic from your application or internal network, you need to allow traffic to our domains and IP addresses in order to use any Supermetrics service.
Please whitelist (or allowlist) traffic destined to Supermetrics domains, using the IP addresses mentioned below, in your outbound (egress) traffic firewall rules that control the traffic leaving your network.
Domains
supermetrics.com
api.supermetrics.com
apiv1.supermetrics.com
dts-api.supermetrics.com
hub.supermetrics.com
addon.supermetrics.com
IP addresses
104.18.28.190
104.18.29.190