The core of the e-commerce part of the overall solution. This is an ecommerce shopping cart solution built on top of the DNN (DotNetNuke) CMS. Anyone can do commerce online now!
Effective June 24th, 2021, Web Tools will remove support for all unsecure HTTP endpoints. After this change, all requests to an unsecure HTTP endpoint will fail when attempting to access the Web Tools APIs and integrators may see an error message.
The USPS Address Verification is using an unsecured End Point:
https://github.com/HotcakesCommerce/hotcakes-commerce-core/blob/e4832110a5ab4118d33340b0e97232d5c9a49758/Libraries/Hotcakes.Shipping/USPSAddressProvider.cs#L37
According to USPS: