USPS APIs Maintenance - 28 October 2026
Scheduled for Oct 28, 21:00 EDT - Oct 29, 01:00 EDT
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Scheduled
As part of ongoing USPS infrastructure maintenance, USPS will be performing scheduled maintenance on USPS API services on Wednesday, October 28, 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: Wednesday, October 28, 2026, 09:00 PM ET
End Time: Thursday, October 29, 2026, 01:00 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: Wednesday, October 28, 2026, 09:00 PM ET
End Time: Thursday, October 29, 2026, 01:00 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) (Create Label, Create Manifest, Get Rates, Tracking).