USPS APIs Maintenance - 05 November 2026

Scheduled for Nov 5, 20:00 EST  -  Nov 6, 00:00 EST

Scheduled

As part of ongoing USPS infrastructure maintenance, USPS will be performing scheduled maintenance on USPS API services on Thursday, November 5, 2026.

Description:
The maintenance activities will be performed in a rolling fashion and not all systems will be impacted simultaneously. Any service disruptions are expected to be brief and intermittent.

Start Time: Thursday, November 5, 2026, 08:00 PM ET
End Time: Friday, November 6, 2026 12:00 AM ET

Please be aware that during the maintenance window, you may encounter occasional brief interruptions or intermittent errors when using USPS-related services. However, all systems are expected to remain operational, and no significant issues are anticipated.

If you experience any issues during the maintenance window, please retry your request after a short interval. If issues persist, please contact the Client Support Technical Services Team at ClientSupportTechServices@pb.com.
Posted Oct 29, 2026 - 10:26 EDT
This scheduled maintenance affects: eCommerce APIs (Shipping APIs) (Create Label, Create Manifest, Get Rates).