USPS Mailer ID (MID) Maintenance (Sep 1), USPS API Platform impact

Scheduled Maintenance Report for Shipium

Completed

The scheduled maintenance has been completed.
Posted Sep 02, 2026 - 03:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Sep 02, 2026 - 00:00 UTC

Scheduled

USPS Mailer ID (MID) system maintenance.
USPS states all APIs may be unavailable during the release window. This affects labeling and tracking across all USPS-based carriers:

- USPS Direct
- Pitney Bowes
- EasyPost
- Endicia

Other carriers utilizing USPS API services may also be affected. Customers may experience service disruptions due to the scheduled maintenance window.
Posted Aug 25, 2026 - 15:44 UTC
This scheduled maintenance affected: Carrier APIs (USPS Direct API Status, EasyPost API Status, PitneyBowes API, Endicia USPS API).
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