Release Notes
10/07/2026
PTR2 Release Notes_DD_10_13_26
Announcements
10/05/2026
INFORMATIONAL - Postal Service Updates for October 2026 S&DC Activations
FAQs
10/05/2026
USPS FAQ - Modernization of NCOA Processing with APIs
Release Notes
10/05/2026
Bulk Rates API Release Overview
Announcements
10/05/2026
INFORMATIONAL - Chicago, IL Regional Processing and Distribution Center (RPDC) – Power Restored
Technical Specifications
10/05/2026
Mail.xml Technical Specifications R65.0.0.0
Technical Specifications
10/05/2026
Mail.dat Technical Specifications R65.0.0.0
Release Notes
10/04/2026
October 4 2026 - PO! and ProgReg - Release Notes
Announcements
10/02/2026
PROCESSING AND DISTRIBUTION - Chicago, IL Regional (RPDC) - Power Outage
User Guides
10/02/2026
API Access Control Customer Dispute Instructions