We are upgrading the way we manage our network infrastructure to be more responsive to events and business need. In order to support these changes, we are changing the IP addresses used by our API endpoints. Nothing else will change. The URLs and domains for all Authorize.Net websites and services will remain the same.
Authorize.Net will make the below changes to the IP addresses used by our API endpoints:
The impact will vary depending on how your website/solution is set up. Below are examples:
For more details, see our support article, Authorize.Net Domains and IP Addresses.