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FAQs
08/10/2026

Modernization of Address Processing with APIs - Q & A

08/10/2026

USPS Addresses API - Completing PS Form 3553

Announcements
08/10/2026

INFORMATIONAL - Commercial System Releases – Week of August 15, 2026

Announcements
08/10/2026

INFORMATIONAL - PostalOne! Release – August 16, 2026

Release Notes
08/10/2026

August 9, 2026 Program Registration R31.1.0.0 Release Notes

Release Notes
08/10/2026

August 9, 2026 eSAS R47.2.0.0 Release Notes

Release Notes
08/10/2026

August 16, 2026 PostalOne! and USPS Ship Release

Announcements
08/07/2026

INFORMATIONAL - USPS APIs System Deployment [CR# TBD] - August 22, 2026

Announcements
08/07/2026

INFORMATIONAL - Commercial System Releases – August 9, 2026

Announcements
08/07/2026

DELIVERY - COS COB Post Office (06807) - Temporarily Closed

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