Announcements
10/26/2026
INFORMATIONAL - Scheduled Maintenance for November 14, 2026 – Possible Disruption with USPS Payments API
Release Notes
10/24/2026
Informed Delivery API Release Notes V1.0.3
Technical Specifications
10/24/2026
Informed Delivery API Technical Specifications V1.0_5.1
Announcements
10/23/2026
INFORMATIONAL - USPS APIs System Release Notification - REVISED
Announcements
10/23/2026
INFORMATIONAL - Oracle PSU Patching - PPI, PASS, MANIF, GEO, and ADP
Announcements
10/23/2026
INFORMATIONAL - Commercial System Releases – October 28, 2026 and November 1, 2026
Announcements
10/23/2026
INFORMATIONAL - PostalOne! Alert – October 25, 2026
Announcements
10/23/2026
INFORMATIONAL - Informed Delivery Mailer Campaign Portal (MCP) Scheduled Outage on October 24
Announcements
10/23/2026
INFORMATIONAL - Postal One System Promotions Not Applied to Postal Wizard Statements
  • 10/23/2026

    November 1 2026 Program Registration 31.4.0.0 Pre-Release Notes

    • Contact Lists
    10/23/2026
    Mailers Technical Advisory Committee (MTAC) Membership Roster and Vacancies
    Data Files
    10/23/2026
    Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Development Tracker

    This document provides a list of active IV-MTR work to be as well as items completed in the current fiscal year.

     

    *Please note, Postal Pro is the only source for a current IV-MTR Development log as updates will be made on an ongoing basis.

    Program Requirements
    10/23/2026
    Plus One Product Requirements (Technical) (Updated 10/23/26)

    Plus One Updated 10/23/26

    Fact Sheets
    10/22/2026
    Intelligent Mail® for Small Business (IMsb) Fact Sheet

    This fact sheet contains an overview of the IMsb Tool, its benefits, and how it works.

    Announcements
    10/21/2026
    DELIVERY - UPDATE - Akron Post Office (35441) Suspended Temporarily
    Announcements
    10/21/2026
    INFORMATIONAL - European Union Requirements for Product Identifiers Effective November 1, 2026
    Technical Specifications
    10/21/2026
    Mail.xml Technical Specifications for FAST 16.0
    Technical Specifications
    10/21/2026
    Mail.xml Technical Specifications for FAST 14.0A
    Announcements
    10/21/2026
    DELIVERY - Suspension of Mail Service to Argentina - Effective October 23, 2026 - November 11, 2026
    Release Notes
    10/20/2026
    PTR2 Release Notes_DD_10_24_26
    Presentations
    10/20/2026
    PCC National Monthly Touchpoint (October)
    Announcements
    10/19/2026
    DELIVERY - Akron Post Office (35441) Permanently Suspended
    Announcements
    10/19/2026
    INFORMATIONAL - Executive Detail - Vice President, Strategic Sales - Sara Bambrough
    Announcements
    10/19/2026
    INFORMATIONAL - FY2027 Peak Season Network Update Webinars
    Announcements
    10/19/2026
    Delivery - Southern Area Alabama-Mississippi District Walnut Grove PO 35990 Temporarily Suspended