User Guides
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.

Release Notes
04/12/2026
April 12 2026 Time Limited Price Change (TLPC) 2026 Release Notes
Announcements
04/10/2026
INFORMATIONAL - July 2026 Market Dominant Price Change Filing Webinar - Friday, April 17, 2026
Announcements
04/10/2026
DELIVERY - Southern Area - AR-OK District - Wilton Post Office (71865) - Permanently Suspended
Announcements
04/10/2026
INFORMATIONAL - Time Limited Price Change 2026 Commercial System Releases – April 12, 2026
Announcements
04/09/2026
INFORMATIONAL - U.S. Postal Service Recommends New Prices for July
Release Notes
04/09/2026
PTR2 Release Notes_DD_04_07_26
Announcements
04/08/2026
INFORMATIONAL - Parcel Dimension Compliance New Rules
Release Notes
04/08/2026
April 12 2026 Time Limited Price Change (TLPC) 2026 Release Overview
Announcements
04/08/2026
DELIVERY - International Service Resumption to United Arab Emirates - Effective April 10, 2026
Announcements
04/08/2026
INFORMATIONAL - USPS APIs Critical Maintenance April 8, 2026
Announcements
04/07/2026
DELIVERY: MILITARY POST OFFCE (MPO) 09309 - RESUMED MAILING SERVICE
Announcements
04/07/2026
INFORMATIONAL - Package Tracking API Provisioning - Reminder
Fact Sheets
04/07/2026
IMpb/IMmb Electronic File Transmission Requirements
Quick Service Guides
04/07/2026
Enterprise Payment System (EPS) Deposit Instructions

These instructions include general technical information and instructions for sending electronic funds into your EPS account. The information here is designed for trust customers (and debit customers who need to initiate a fund transfer to cover a debit return problem).

Data Files
04/07/2026
Informed Delivery® Post-Campaign (IDPC) Data through IV-MTR® Data Dictionary

This document describes the Informed Delivery Post-Campaign (IDPC) data fields available through the IV-MTR application.

Announcements
04/06/2026
INFORMATIONAL - Executive Retirement - Sharon Owens
FAQs
04/06/2026
USPS PTR2 API Known Issues
Announcements
04/03/2026
DELIVERY - WestPac Area - ID-MT-OR District - Office Temporarily Closed - North Bend Post Office
Announcements
04/03/2026
INFORMATIONAL - USPS APIs System Deployment April 18, 2026
Announcements
04/03/2026
INFORMATIONAL - USPS APIs System Deployment April 12, 2026
Release Notes
04/03/2026
PTR2 Release Notes_DD_04_02_26
Release Notes
04/03/2026
PTR2 Release Notes_DD_04_04_26
Announcements
04/02/2026
DELIVERY - Southern Area - Texas 3 District - Los Jardines Post Office (78237) - Temporarily Suspended
Announcements
04/02/2026
INFORMATIONAL -Upcoming USPS.com Maintenance CANCELLED