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.

INFORMATIONAL- Plant-Verified Drop Shipment Updates

DELIVERY - Notification of Suspension of Mail Service - Effective December 12, 2025

INFORMATIONAL - USPS Mail Flow 101 Webinar Dec 16, 2025

INFORMATIONAL - Tracking Access Validation Notification

INFORMATIONAL - Final Update - USPS Ship INCIDENT # 10234251 PEW Data Feed Now Current

Tracking API Access Control Changes Release Overview

PTR Modernization

PTR is being modernized to deliver a best-in-class visibility solution for customers. The new solution, PTR 2, will provide a scalable and highly available platform to support continued package volume growth and evolving business functionality to deliver exceptional customer value.

PAVE™ 2026 Advisory Cycle S Extension

This advisory is to inform you that there will be no PAVE Cycle S/MAC Batch Certification testing for the 2026 Price Change releases. USPS has decided to extend the current PAVE process until January 19, 2027, and will not be testing or accepting files for testing during the transition into 2026.

Cumulative Listing of ZIP Codes Covered by the LACS Database

This document provides a cumulative listing of ZIP Codes covered by the LACS database for LACS^Link®.