USPS APIs Maintenance - October 14, 2026

Scheduled for Oct 14, 21:00 EDT - Oct 15, 01:00 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, October 14, 2026, 9:00 PM EST 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, October 14, 2026, 9:00 PM ET
End Time: Thursday, October 15, 2026, 01:00 AM ET

If you experience any other issues during the maintenance window, please contact the Client Support Technical Services Team at ClientSupportTechServices@pb.com

Posted Oct 01, 2026 - 10:10 EDT

This scheduled maintenance affects: eCommerce APIs (Shipping APIs) (Address Validation, Create Label, Create Manifest, Pickups).