Release Notes
05/07/2025
May 18, 2025 Release Notes
Release Notes
05/01/2025
USPS APIs Release Notes

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

Release Notes
04/28/2025
May 11, 2025 Release Notes
Release Notes
04/26/2025
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
04/25/2025
July 2025 Release Notes_v1
Release Notes
04/15/2025
April 23, 2025 Release Notes
Release Notes
04/14/2025
April 13, 2025 Release Notes
Release Notes
03/24/2025
March 23, 2025 Release Notes
Release Notes
03/17/2025
March 30, 2025 Release Notes
Release Notes
03/14/2025
March 30, 2025 Release Note