Release Notes
11/22/2024
USPS APIs Release Notes

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

Release Notes
11/04/2024
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
10/28/2024
October 27, 2024 Releases

Mail Dat Client update is mandatory for this Release

Release Notes
10/22/2024
Release Notes
10/15/2024
Release Notes
09/30/2024
Release Notes
09/10/2024
October 2024 Planned Changes

Mail.dat Client update is required. 

Release Notes
06/30/2024