Announcements
05/20/2026
INFORMATIONAL - USPS APIs System Release May 21, 2026
  • 05/20/2026

    Mail.xml Technical Specifications R64.0.0.0

  • 05/20/2026

    Mail.dat Technical Specifications R64.0.0.0

    • Release Notes
    05/20/2026
    July 2026 Release Overview

    Note: For the latest technical specifications, please see the July 2026 Price Change Release Notes as they are published. Mail.dat and Mail.XML updates required for this release. 

    Presentations
    05/19/2026
    PCC National Monthly Touchpoint (May)

     

     

    PCC National Monthly Touchpoint Recording (May)

    Passcode: S+?yXQe3

    Announcements
    05/19/2026
    INFORMATIONAL - Mailer Scorecard - Temporarily Unavailable
    Announcements
    05/19/2026
    INFORMATIONAL - Updated - 2026 Labeling List and Mail Direction File (MDF) Timeline
    Release Notes
    05/19/2026
    PTR2 Release Notes_DD_05_19_26
    Data Files
    05/19/2026
    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 FY25.

     

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

    Release Notes
    05/18/2026
    May 31 2026 EPS/eBill R8.4.0.0 Release Notes