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      • USPS Mailing Services team provides strategic incentives, offering various benefits and advantages to businesses and individuals.

        All Mail Incentives

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        USPS Mailing Promotions seek to increase engagement and response rates for Mailers by leveraging high value mailpieces.

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        • 2026 Promotions Calendar and Technical Guide
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        • For ideas on new or existing Promotions, please fill out this form.
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  • 09/20/2026

    September 20 2026 Time Limited Price Change (TLPC) 2026 [October] Release Notes

    • Release Notes
    09/17/2026
    Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

    These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

    Release Notes
    09/16/2026
    USPS APIs Release Notes

    For the latest updates, please review the USPS APIs Release Notes.

    Release Notes
    09/14/2026
    September 20, 2026 - FAST R69.0.1.0 Release Notes
  • 09/04/2026

    Enterprise Payment System (EPS) Release Notes-September 13, 2026

  • 08/28/2026

    October 2026 - Timelimited Price Change Release Overview

  • 08/27/2026

    PTR2 Release Notes_DD_08_27_26

  • 08/26/2026

    August 27, 2026 COP Release Notes

  • 08/21/2026

    August 30 2026 FAST Release Notes

  • 08/21/2026

    Enterprise Payment System (EPS) Release Notes-August 30, 2026

    On Sunday, August 30, 2026, the United States Postal Service will implement the following software change:
    • Enterprise Payment System (EPS) 8.7.0.0
    These Pre-Release Notes provide the contents of the release and affected subsystems.
    The section titled Corrections to Known Issues is derived from External Trouble Reports (ETRs) for inclusion in this release.
    This document is prepared based on the knowledge available at the time of its publication; any element of its contents is subject to change prior to the release.

  • 08/21/2026

    PTR2 Release Notes_DD_08_22_26

  • 08/10/2026

    August 9, 2026 Program Registration R31.1.0.0 Release Notes

    • Release Notes
    08/10/2026
    August 9, 2026 eSAS R47.2.0.0 Release Notes
    Release Notes
    08/10/2026
    August 16, 2026 PostalOne! and USPS Ship Release
    Release Notes
    08/05/2026
    PTR2 Release Notes_DD_08_08_26
    Release Notes
    08/05/2026
    PTR2 Release Notes_DD_09_08_26
    Release Notes
    08/03/2026
    August 9, 2026 - Electronic Shortpaid Assessment System (eSAS) Release 47.2.0.0
    Release Notes
    08/03/2026
    August 9, 2026 - Program Registration Release 31.1.0.0
    Release Notes
    07/27/2026
    Enterprise Payment System (EPS) Release Notes-July 26, 2026

    On Sunday, July 26, 2026, the United States Postal Service implemented the following software change:

    Enterprise Payment System (EPS) 8.6.0.0
    These Release Notes provide the contents of the release and affected subsystems.
    The section titled Corrections to Known Issues is derived from External Trouble Reports (ETRs) for inclusion in this release.
    This document is prepared based on the knowledge available at the time of its publication.

    Release Notes
    07/24/2026
    January 2027 Release Overview
    Release Notes
    07/24/2026
    PTR2 Release Notes_DD_07_25_26
    Release Notes
    07/23/2026
    PTR2 Release Notes_DD_07_23_26
    Release Notes
    07/20/2026
    PTR2 Release Notes_DD_07_21_26
    Release Notes
    07/20/2026
    July 26 2026 EPS/eBill R8.6.0.0 Release Notes
    Release Notes
    07/17/2026
    PTR2 Release Notes_DD_07_16_26
    Release Notes
    07/16/2026
    July 17, 2026 Customer Onboarding Portal R2.5.4.0
    Release Notes
    07/12/2026
    July 12 2026 Release Notes
    Release Notes
    07/10/2026
    PTR2 Release Notes_DD_07_11_26
    Release Notes
    07/09/2026
    PTR2 Release Notes_DD_07_01_26
    Release Notes
    06/28/2026
    July 2026 Release Notes
    Release Notes
    06/27/2026
    PTR2 Release Notes_DD_06_27_26
    Release Notes
    06/18/2026
    PTR2 Release Notes_DD_06_22_26
    Release Notes
    06/16/2026
    PTR2 Release Notes_DD_06_16_26
    Release Notes
    06/12/2026
    PTR2 Release Notes_DD_06_13_26
    Release Notes
    06/12/2026
    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. 

    Release Notes
    06/05/2026
    June 11 2026 USPS Ship R27.0.3.0 Release Notes
    Release Notes
    06/04/2026
    June 4 2026 USPS Ship R27.0.2.0 Release Notes
    Release Notes
    05/28/2026
    PTR2 Release Notes_DD_05_30_26
    Release Notes
    05/27/2026
    PTR2 Release Notes_DD_05_28_26
    Release Notes
    05/27/2026
    PTR2 Release Notes_DD_05_26_26
    Release Notes
    05/21/2026
    PTR2 Release Notes_DD_05_21_26
    Release Notes
    05/19/2026
    PTR2 Release Notes_DD_05_19_26
    Release Notes
    05/18/2026
    May 31 2026 EPS/eBill R8.4.0.0 Release Notes
    Release Notes
    05/17/2026
    May 17 2026 PostalOne! R63.2.2.0; Crosswalk R10.0.1.0 & USPS Ship R27.0.0.0 Release Notes
    Release Notes
    05/15/2026
    May 27 2026 USPS Ship R27.0.1.0 Release Notes
    Release Notes
    05/13/2026
    PTR2 Release Notes_DD_05_14_26
    Release Notes
    04/26/2026
    April 26 2026 FAST R67.0.3.0 Release Notes
    Release Notes
    04/24/2026
    April 26 2026 PostalOne! R63.2.1.0 Release Notes
    Release Notes
    04/24/2026
    PTR2 Release Notes_DD_04_23_26
    Release Notes
    04/17/2026
    PTR2 Release Notes_DD_04_18_26

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