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.