Enterprise Payment System (EPS) Data Dictionary

This document has separate tabs which describe the elements of EPS to CAPS mapping, CAPS to EPS mapping, the CAPS transaction number, and the code descriptions.

Provisioning Enterprise Payment (EPS) and USPS Ship (formerly Package Platform (PPC)) Data through Informed Visibility® (IV®)

This guide provides instructions for receiving Enterprise Payment System (EPS) and USPS Ship (formerly Package Platform Concept (PPC)) data through the IV Mail Tracking & Reporting (IV-MTR) application.

Enterprise Post Office Box Online (ePOBOL) User Guide January 2025

The U.S. Postal Service is upgrading its payment architecture for enterprise and business customers.

Enterprise Payment System (EPS) User Guide

Enterprise Payment System Terms and Conditions

This Terms and Conditions of Use Agreement (this "Agreement") is a legal agreement between you ("You" or "Your" or "User" or "Mailer") and the United States Postal Service, an Independent Establishment of the Executive Branch of the United States Federal Government ("USPS" or "Postal Service"). The Agreement sets forth the terms and conditions for Your use of the USPS Enterprise Payment System.

Online Postage Due Permit Creation

Enterprise Payment Retail Deposit Locations (February 2023)

These locations are available to make a deposit into your Enterprise Payment Account.

Balance Check in the Customer Validation Tool Instructions

When given explicit permission by permit holders to do so, MSPs have the ability to perform balance checks for EPS and Local Trust accounts at the permit level.