Typically I solve these kinds of problems by putting a proxy server (such as the free squid) into the US office, and then configure the remote site web browsers to use the proxy server in the US for the specific URL that is geo-locked.   The other option (which I have not tried), would be to use Cisco Meraki Cloud Onramp + Umbrella SIG.  You would spin up selecting a Cisco US DC option, and let all Internet traffic for both sites vent out there. https://documentation.meraki.com/MX/Meraki_Umbrella_SDWAN_Connector/Deployment_Guide  ... View more

Yes I found that through REST API seems to be the only solution. The only thing is that if the boss would like to enable the API (Currently disabled).   My idea is to wrote a script which is executed every 5 or 10 minutes (Via cron job ? ) then get the total clients count and update the group policy for the new bandwidth. ... View more