USPS experienced a tracking services issue starting at 10:00 AM ET on March 13, 2026, causing delays in processing shipping manifests, event files, and scan events, while tracking data became stale and customer extracts were delayed. The incident affected USPS Tracking services, webhooks, and various shipping service processing functions for approximately 4.7 hours. The issue was resolved at 3:44 PM ET when processing backlogs caught up and all tracking services returned to current status.
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USPS Final update March 13 2026 03:00 PM
Processing backlogs have caught up.
USPS Tracking® is available and current.
Customer extracts are current.
USPS is currently experiencing an issue with their Tracking Services from approximately 10:00 AM ET on 03/13/26 that may prevent you from using the tracking services for USPS carriers.
Processing of inbound Shipping Services manifest, Shipping Partner event files, and scan events sent to PTR continue to be received but are experiencing a delay in processing.
USPS Tracking® is currently available but data displayed may be stale. Customer extracts are delayed.
Webhooks data provided is impacted by delays.
Once we have an update we will send you as quickly as possible.
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