10/16/2024
MASS™ Technical Guide for Cycle O
This document provides a technical guide for MASS™ Cycle O. MASS™ is an extension of the CASS™ system.
10/15/2024
09/04/2024
08/21/2024
07/18/2024
Business Customer Gateway: Overview and Tour
This presentation provides an overview of the Business Customer Gateway and a tour for new users.
07/17/2024
06/04/2024
API Tech Sheet
The USPS API Platform provides a dynamic, one-stop-shop of shipping capabilities to expand business reach
and increase efficiency. The USPS suite of APIs enables integrators to standardize an address, price a
package, create a label, find a USPS acceptance facility, schedule a carrier pick-up, and track a package from
entry to delivery. The USPS API platform also offers webhooks for near-real-time push notifications for tracking
events.
06/01/2024
Zone Charts Matrix Technical Guide (Effective - June 2024)
This guide details technical information about the National Zone Charts Matrix. A few topics in this guide include Defining a Zone, Matrix File General Information, and Matrix Zone Determination.
05/14/2024
05/14/2024