Release Notes
04/16/2026
USPS APIs Release Notes

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

Release Notes
04/12/2026
April 12 2026 Time Limited Price Change (TLPC) 2026 Release Notes
Release Notes
04/09/2026
PTR2 Release Notes_DD_04_07_26
Release Notes
04/08/2026
April 12 2026 Time Limited Price Change (TLPC) 2026 Release Overview
Release Notes
04/03/2026
PTR2 Release Notes_DD_04_02_26