USPS APIs Maintenance - 08 November 2026
Scheduled for Nov 8, 20:00 EST - Nov 9, 02:00 EST
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Scheduled
As part of ongoing USPS infrastructure maintenance, USPS will be performing scheduled maintenance on USPS API services on Sunday, November 8, 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: Sunday, November 8, 2026 08:00 PM ET
End Time: Monday, November 9, 2026 04:00 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.
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: Sunday, November 8, 2026 08:00 PM ET
End Time: Monday, November 9, 2026 04:00 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.
This scheduled maintenance affects: eCommerce APIs (Shipping APIs) (Tracking).