The USPS Web Tools^® API library gives ecommerce website shopping carts and shipping software access to valuable USPS^® data—free of charge! You can check shipping rates, track packages, and schedule a package pickup all through USPS Web Tools.

The Shipping API allows you to integrate UPS Live rates shipping functionality directly into your website. Your customers will enjoy the depth of USPS services and capabilities while your business becomes more efficient with improved processes.