Announcements
06/18/2025
DELIVERY: WestPac Area: AZ-NM District Office - Mimbres and Hanover Post Offices - Temporarily Closed
Announcements
06/18/2025
DELIVERY - INTERNATIONAL SERVICE SUSPENSION NOTICE – Effective June 20, 2025
Tech Guides
06/18/2025
PostalOne! Release 62.0.0.0 Mail.XML CAT WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ CAT Release 62.0.0.0

Tech Guides
06/18/2025
PostalOne! Release 62.0.0.0 Mail.XML PrePROD WSDLs
Tech Guides
06/18/2025
PostalOne! Release 62.0.0.0 Mail.XML TEM WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ TEM Release 62.0.0.0

Tech Guides
06/18/2025
PostalOne! Release 62.0.0.0 Mail.XML PROD WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PROD Release 62.0.0.0

Release Notes
06/18/2025
Priority Mail Next Day/Post Host Release Overview
Announcements
06/17/2025
INFORMATIONAL - USPS APIs System Maintenance
Announcements
06/17/2025
Post Office/ZIP Code Entries for Postal Bulletin 6/26/2025

This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 6/26/2025.

Announcements
06/17/2025
The 2025 PCC Health Check Survey Launch