Shiptheory connects to your system and carrier systems to exchange order data. If you are using a firewall to restrict access to any aspect of your system, you may need to add Shiptheory's IP addresses to allow for a successful data transmission.


Please ask your system administrator to add the follow IP's to your firewall, where required.


  • 67.227.254.115
  • 69.16.195.57

  • 5.148.47.8

The ports that Shiptheory use are 80 and 443.


If you have any questions, please contact us.