Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Jun 03, 2026 - 21:00 EDT
Scheduled
As part of ongoing effort to strengthen USPS API infrastructure, USPS will be performing system maintenance for USPS APIs in PRODUCTION environment on Wednesday, June 3, 2026, 08:00 PM ET for 4 hours.
Description: The impacted systems will be done in a rolling fashion and not all at once. The service disruption duration should only be for several minutes.
Start Time: Wednesday, June 3, 2026, 9:00 PM ET End Time: Thursday, June 4, 2026, 3:00 AM ET
Please be aware that during the maintenance window, you may encounter occasional, brief errors. However, all systems will remain operational, and no significant issues are expected.
If you experience any other issues during the maintenance window, please contact the Client Support Technical Services Team at ClientSupportTechServices@pb.com.