USPS Tracking API: Scheduled Maintenance, Nov 8

Scheduled for Nov 9, 01:00 - 09:00 UTC

Scheduled

USPS plans maintenance on its Tracking API (Tracking 3.0 and Subscription Tracking 3.0). The window is Sunday, November 8, 7:00 PM to Monday, November 9, 3:00 AM CST.

During this window, USPS tracking requests may fail for a short time. USPS expects any disruption to last minutes, not the full window. USPS does not expect an outage.

USPS states that package delivery is not impacted.

Posted Nov 03, 2026 - 01:49 UTC

This scheduled maintenance affects: Carrier APIs (EasyPost API Status, Endicia USPS API, PitneyBowes API, USPS Direct API Status).