USPS Scheduled Maintenance

Scheduled for Oct 28, 02:00 - 05:00 UTC

Scheduled

USPS has a scheduled maintenance window for its Transaction API on October 28, 2026 at 02:00 AM UTC, lasting up to 3 hours. During this time, label generation for International, Military, and U.S. Territory shipments will be unavailable; domestic label generation will not be impacted. We recommend retrying any failed requests after the maintenance is complete.

Posted Oct 23, 2026 - 20:12 UTC

This scheduled maintenance affects: Carrier API (USPS).