Scheduled
As part of ongoing USPS infrastructure maintenance, USPS will be performing scheduled maintenance on USPS API services on Sunday, October 4, 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, October 4, 2026, 6:00 AM ET
End Time: Sunday, October 4, 2026, 10:00 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, October 4, 2026, 6:00 AM ET
End Time: Sunday, October 4, 2026, 10:00 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, Get Rates).