Release Notes
03/17/2025
USPS APIs Release Notes

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

Release Notes
03/14/2025
Release Notes
03/07/2025
Release Notes
03/06/2025
Release Notes
02/24/2025
Release Notes
02/23/2025
Release Notes
02/16/2025
Release Notes
02/11/2025
Release Notes
02/03/2025
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
01/29/2025