04/13/2026
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. Instructions include how to get access, create and manage a data feed, manage the address book, and manage data delegation.
03/30/2026
USPS APIs Terms and Conditions
ACKNOWLEDGEMENT AND ACCEPTANCE. Read this carefully before registering to use the USPS API services. By utilizing the APIs, you hereby ACCEPT ALL of the terms and conditions of this Agreement.
03/24/2026
Tracking Access Control Tech Sheet
Package Tracking allows seamless integration of real-time tracking information into business systems, enabling monitoring of USPS package status from shipment to delivery. USPS is upgrading tracking data access to enhance security and combat fraud by modernizing and securing customer access.
03/23/2026
03/18/2026
03/16/2026
Adjustments to Mail Growth Incentives Registration
MGI Customers can submit multiple requests to the Program Office to initiate discussions for adjusting existing Incentives Registration service requests that are in review.
03/16/2026
Mail Growth Incentives New Registration User Guide
On September 27, 2023, the Postal Regulatory Commission (PRC) approved the request by the United States Postal Service (UPSP) to update the Mail Classification Schedule (MCS) by establishing two separate Mail Growth Incentives (MGI): the First-Class Mail Growth Incentive and the Marketing Mail Growth Incentive. These incentives will run simultaneously from January 1 through December 31.
03/12/2026
MyPFS Portal Tutorial Video
A guided tour on how to use and navigate the new MyPFS Portal.
03/12/2026
MyPFS Overview User Guide March 2026
This is a guide describing the new MyPFS product feature in the My Product Portal released in March 2026.
03/12/2026
Premium Forwarding Service Commercial External User Guide
User Guide for the Premium Forwarding Service Commercial application.
03/11/2026
USPS Business Portal (COP) Onboarding User Guide
The United States Postal Service (USPS)Business Portal (COP) offers business customers a modern, streamlined way to create and manage a USPS business account set-up and onboard core services.
03/11/2026
Business Portal User Account Creation
Instructions for new USPS Business Customers to generate a new account.
02/26/2026
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. User acknowledges and agrees that he, she or the entity User has accepted the Agreement on behalf of is solely responsible for and shall abide by these Terms and Conditions of Use as well as all policies, procedures and regulations of the United States Postal Service.
02/26/2026
Provisioning Mail Quality Data with Informed Visibility® Mail Tracking and Reporting
Mail Quality Data (MQD-IV) leverages the Informed Visibility® Mail Tracking & Reporting (IV®-MTR) application to enable mailers to receive uncapped Mail Quality Data. Detailed error data from the Mailer Scorecard is available for Full Service, Move Update, eInduction, and Seamless Acceptance.
02/05/2026
Mailing and Shipping Solutions Center (MSSC) Topics
List of topics the MSSC can assist with. To reach the MSSC, email us at MSSC@usps.gov or call 1-877-672-0007 from 7:00AM – 7:00PM CT.
11/25/2025
Quick Reference Guide: Bundle Preparation and Handling Recommendations
A guide to ensuring your bundles stay secure during transit.
11/10/2025
11/07/2025
10/27/2025
Service Standards File Layouts/Release Notes
The Postal Service is making service standard changes to support Delivering for America network changes. We continue to provide service standard data files for customer use to determine the number of days in transit. This tech sheet will provide file layouts to help customers understand ongoing and upcoming changes associated with the proposed changes. Along with file layout changes, we are now incorporating Presort First-Class Service Standards.
09/25/2025
Package Tracking Options and Modernization
Explore package tracking options with our Product Tracking and Reporting (PTR) application and learn about the planned changes in our recent platform modernization efforts.
09/15/2025
Enterprise Post Office Box Online (ePOBOL) User Guide
The U.S. Postal Service is upgrading its payment architecture for enterprise and business customers. The new Enterprise Payment System (EPS) will replace the current product-centric payment with a centralized account management system enabling customers to pay and manage their services online using a single account. With the current implementation of EPS, business customers will be able to manage their PO Boxes, Caller Services and Reserves online using the new Enterprise PO Boxes Online (ePOBOL) service.
· Open, close, and pay for PO Boxes, Caller Services, and Reserves online
· Automatic Renewals
· Account notifications and alerts
· View account payments, balances, and transaction history
· Customized payment reporting and dashboard capabilities
· To get started, please contact MSSC@usps.gov.
08/28/2025
08/26/2025
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.
07/25/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
07/24/2025
06/17/2025
Provisioning Informed Delivery® Post-Campaign (IDPC) Data in Informed Visibility® Mail Tracking & Reporting (IV®-MTR)
This guide provides instructions for receiving Informed Delivery Post-Campaign (IDPC) detailed data through the IV Mail Tracking & Reporting (IV-MTR) application. Instructions include how to access the application, create a one-time query, create and manage a data feed, manage the address book, and manage data delegation.
06/17/2025
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) User Guide
The User Guide describes the prerequisites for receiving mail tracking data through IV-MTR, the data provisioning options available, and how to use the application for tracking commercial domestic-bound barcoded letters and flats.
06/17/2025
Applying for Access to Informed Visibility® Mail Tracking & Reporting (IV®-MTR)
This presentation provides instructions for applying for access to the IV Mail Tracking & Reporting application (IV-MTR). The instructions include how to register for a Business Customer Gateway (BCG) account, add the IV-MTR service in the BCG, and how to sign in to the IV-MTR portal to begin using the service.
05/19/2025
05/19/2025
05/06/2025
eVS to USPS Ship Migration Tech Sheet
The Postal Service is retiring the electronic verification system (eVS). eVS customers must migrate to USPS Ship or USPS APIs by February 2025. This includes customers using Premium Forwarding Services Commercial (PFSC) and Click N Ship BusinessPro (CNBPro). This document outlines the differences between the two platforms and steps to migrate from eVS to USPS Ship.
04/23/2025
04/16/2025
MyMSSC Portal User Guide - Non-Business Service Administrators
MyMSSC Portal is a NEW way commercial customers can submit Service Requests to the Mailing and Shipping Solutions Center. The MyMSSC Portal provides customers with the perfect complement to our traditional services and is a fast, straightforward, and secure process for commercial customers to manage their service requests. This guide is designed to assist non-Business Service Administrators (BSAs) utilizing the MyMSSC Portal in the Business Customer Gateway (BCG).
04/16/2025
MyMSSC Portal User Guide - Business Service Administrators (BSAs)
The MyMSSC Portal is a NEW way commercial customers can submit Service Requests to the Mailing and Shipping Solutions Center. The MyMSSC Portal provides customers with the perfect complement to our traditional services and is a fast, straightforward, and secure process for commercial customers to manage their service requests. This guide is designed to assist Business Service Administrators (BSAs) utilizing the MyMSSC Portal in the Business Customer Gateway (BCG).
04/15/2025
04/15/2025
04/14/2025
04/10/2025
03/21/2025