Opencart Marketplace USPS Shipping – By using this module, Admin can provide USPS (United States Postal Service) shipping method for shipping products. The USPS is the operator of the largest civilian vehicle fleet in the world. and now it is with the Marketplace.
TThis module is an add-on of Marketplace Module. To use this module, you must have installed first Marketplace Module. Main difference in this method and normal USPS shipping is that, it calculates shipping from seller/partner location not your store or your store (if no seller exits).And this method works if buyer is from US.