Release Notes
11/16/2025
November 16 2025 Release Notes
Announcements
11/14/2025
INFORMATIONAL - Web Tools Migration Webinar
Announcements
11/14/2025
INFORMATIONAL - Scheduled Commercial Systems Activities November 15, 2025
Announcements
11/14/2025
INFORMATIONAL - January 2026 Competitive Price Change
Announcements
11/14/2025
DELIVERY - WestPac -CO-WY District Poncha Springs (81242) - Closed
Announcements
11/14/2025
INFORMATIONAL - Peak Season Network Update Webinars - Follow Up
Announcements
11/13/2025
INFORMATIONAL - January Price Change 2026 - Commercial System Releases January 4, 2026
Announcements
11/13/2025
INFORMATIONAL - Important Update: Periodicals Mailing Privileges Application Process
Presentations
11/12/2025
Addressing Modernization - API
Fact Sheets
11/12/2025
USPS Ship Package Data Feeds

This document outlines the steps for shippers to access package data feeds through the USPS Informed Visibility Mail Tracking & Reporting (IV-MTR) application.

Technical Specifications
11/12/2025
Addressing API Specifications
Technical Specifications
11/12/2025
Addressing API - Vendors
Technical Specifications
11/12/2025
Addressing API - End Users - Tech Sheet
Announcements
11/10/2025
INFORMATIONAL - CY2026 Promotions Webinar
Announcements
11/10/2025
INFORMATIONAL - Service Improvement through Increased Capacity
Technical Specifications
11/10/2025
National Change of Address - API
User Guides
11/10/2025
2026 Integrated Technology Enrollment Guide
Announcements
11/07/2025
DELIVERY - Atlantic Area – North Carolina District Chapel Hill PO (27514) - Resumed
User Guides
11/07/2025
Viewing MGI Credit Balances and Postage Statements

This document has been temporarily removed but will return soon. We apologize for the inconvenience. 

Announcements
11/07/2025
Updates from the National PCC Program Office
Announcements
11/06/2025
INFORMATIONAL - API System Maintenance November 19, 2025
Announcements
11/06/2025
INFORMATIONAL - USPS APIs System Maintenance - 11-6-2025
Announcements
11/06/2025
INFORMATIONAL - UPS Air Cargo Accident 11-4-2025
Release Notes
11/06/2025
November 6 2025 Release Notes
Announcements
11/05/2025
INFORMATIONAL – Register Early for NPF 2026