Publications
09/19/2022
Publication 401: Guide to the Manifest Mailing System

This publication provides information on the Manifest Mailing System, which automates the documentation of postage and fees for all pieces in a mailing paid via permit imprint indicia.

Quick Service Guides
08/29/2022
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.

Applications/ Forms
02/07/2017
Manifest Mailing Application

Before completing the Manifest Mailing System Application, review Publication 401: Guide to the Manifest Mailing System.