USPS Retail Ground has been folded into a new service: USPS Ground Advantage.
So if you were using USPS Retail Ground in the past, you'll probably want to display rates for USPS Ground Advantage now instead.
This article provides guidance for using the app.
USPS Retail Ground has been folded into a new service: USPS Ground Advantage.
So if you were using USPS Retail Ground in the past, you'll probably want to display rates for USPS Ground Advantage now instead.