User Guides
03/12/2026
MyPFS Portal Tutorial Video

A guided tour on how to use and navigate the new MyPFS Portal.

User Guides
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.

User Guides
03/12/2026
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.

User Guides
03/12/2026
Premium Forwarding Service Commercial External User Guide

User Guide for the Premium Forwarding Service Commercial application. 

User Guides
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.

User Guides
03/11/2026
Business Portal User Account Creation

Instructions for new USPS Business Customers to generate a new account.

User Guides
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.

User Guides
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.

User Guides
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.

User Guides
12/29/2025
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.