Service Disruption with USPS Payments API

Scheduled for Nov 14, 17:00 PST - Nov 15, 01:00 PST

Scheduled

USPS is performing scheduled maintenance on Saturday, November 14, from 8:00 PM to 4:00 AM ET Sunday (5:00 PM to 1:00 AM PT). USPS Payments will be unavailable from 11:00 PM to 12:00 AM ET (8:00 PM to 9:00 PM PT), and USPS label purchases will fail during that hour. Label purchases may also be intermittently affected for the rest of the window. USPS tracking updates may be briefly delayed throughout the window. We recommend scheduling high-volume USPS label purchases outside the 11:00 PM to 12:00 AM ET (8:00 to 9:00 PM PT) hour.

Posted Oct 30, 2026 - 09:05 PDT

This scheduled maintenance affects: Carriers (USPS APIs).