01/16/2024
Address Element Correction (AEC) & AEC II User Guide
A comprehensive user guide to Address Element Correction (AEC) and AEC II®. Topics addressed: the importance of address accuracy, differences between AEC I and II, ACS vs. AEC, fees and payments, processing, and technical information.
11/22/2023
DSF2® Licensee Performance Requirements - CASS Cycle O
To achieve DSF2® certification, the Licensee must comply with all requirements and specifications contained within the License Agreement, the most current version of this document, and the most current version of the Interface Developers Guide unless explicitly allowed, prohibited, or modified by USPS in writing.
11/14/2023
Business Customer Gateway: Overview and Tour
This presentation provides an overview of the Business Customer Gateway and a tour for new users. Information on the new Revoke and Archive feature begins on page 32.
10/18/2023
Domestic Merchant Returns API: User Guide
This user guide provides examples of XML transactions to the USPS Merchant Returns web service and guidance for installation.
10/06/2023
USPS Service Standards Getting Started Guide
The Postal Service has developed Service Standards data files to help customers determine the number of days in transit. This tech sheet will provide step-by-step instructions on how to use these data files allowing you to streamline your operations and improve customer experience.
10/05/2023
10/05/2023
09/14/2023
Parcel Data Exchange (PDX) API Customer Guide
This document provides a customer reference guide for Parcel Data Exchange (PDX) Web Application API.
09/01/2023
08/28/2023
Parcel Data Exchange (PDX) Web Application User Guide
The Parcel Data Exchange (PDX) is accessed via the web and Application Programming Interface (API) to allow customers to send manifest files and receive outbound files from the United States Postal Service® (USPS®). This document provides the information necessary to begin using the web-based portion of the PDX application using a web browser.