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