The CloudHealth Agent IP addresses can be found by running the command dig api.cloudhealthtech.com +short within terminal (Dig tool is not native to Windows and must be installed). This call output should contain four IP addresses which you can add to any whitelists you've configured.
*We call outbound to api.cloudhealthtech.com on port 443.
*You can also use free online tools to perform this call. For example, Google offers a Dig tool here https://toolbox.googleapps.com/apps/dig/#A/. An 'A' record must be selected to reveal the IP addresses.
For more information on CloudHealth Agent configuration, see: CloudHealth Agent