Release Notes
01/05/2024
January Price Change 2024
Release Notes
12/04/2023
January 2024 Price Change Release Overview

Mail Dat Client update is mandatory for this Release.  

Release Notes
10/18/2023
Update January 2024 Price Change Release Overview
Release Notes
09/26/2023
Ground Advantage Release Notes
Release Notes
09/11/2023
September 11, 2023 FAST R60.0.0.0 Release Notes
Release Notes
07/09/2023
July 9, 2023 Release Notes
Release Notes
06/25/2023
July 2023 Price Change Release Notes

Mail Dat Client update is mandatory for this Release.

  • PostalOne! System Release 58.0.0.0 
  • Program Registration Release 25.0.0.0 
  • Release 30.3.0.0 USPS Ship Release 9.0.0.0 (Scheduled Deployment June 21, 2023) 
Release Notes
06/06/2023
USPS Ship June 06, 2023 R8.0.3.0 Release Notes
Release Notes
05/19/2023
July 2023 Price Change Release Overview

Mail Dat Client update is mandatory for this Release.  

Release Notes
04/30/2023
April 30, 2023 Postal One Release Notes
Release Notes
04/26/2023
April 26, 2023 Release Notes
Release Notes
03/29/2023
March 29, 2023 Release Notes
Release Notes
03/26/2023
March 26, 2023 Release Notes
Release Notes
03/21/2023
Informed Delivery API Release Notes 4.3_3-30-2023

Release notes for the newest update and release of the Informed Delivery API - Release 4.3.

This release uses a new schema version 4.2.0.

Release Notes
03/15/2023
March 15, 2023 USPS Ship R7.0.2.2 Release Notes
Release Notes
03/12/2023
March 12, 2023 Release Notes

Mail Dat Client update is mandatory for this Release.

Release Notes
02/08/2023
February 08, 2023 Release Notes
Release Notes
01/29/2023
January 29, 2023 Release Notes
Release Notes
01/22/2023
January 22, 2023 Release Notes
Release Notes
01/08/2023
January 08, 2023 Release Notes

Mail Dat Client update is mandatory for this Release.

Release Notes
12/15/2022
December 15, 2022 USPS Ship R6.0.4.0 Release Notes
Release Notes
11/04/2022
January 2023 Release Overview

Mail Dat Client update is mandatory for this Release.  

Release Notes
10/26/2022
September 18, 2022 System Releases

Mail.Dat Client update is mandatory for this Release.  

Release Notes
10/02/2022
October 02, 2022 Releases
Release Notes
09/29/2022
September 29, 2022 System Releases