Release Notes
10/31/2025
10/31/2025
Release Notes
10/22/2025
10/22/2025
USPS APIs Release Notes
For the latest updates, please review the USPS APIs Release Notes.
Release Notes
10/20/2025
10/20/2025
Release Notes
10/19/2025
10/19/2025
Release Notes
10/06/2025
10/06/2025
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
10/02/2025
10/02/2025
Release Notes
09/29/2025
09/29/2025
Release Notes
09/21/2025
09/21/2025
Release Notes
09/21/2025
09/21/2025
Release Notes
09/14/2025
09/14/2025