To prevent orders being shipped to invalid addresses, the extension checks the customer's address with UPS & USPS.
Extension allows you the ability to require customers to checkout with an address approved by either UPS or USPS.
Select and quickly change shipping information to the correct address.
Fully compatible with IWD Agency's Checkout Suite and Aheadwork's One Step Checkout extensions.
Enable the solution and specify if you would like to permit customers with an invalid shipping address to place orders.
United Postal Services (UPS)
United States Postal Services (USPS)