USPS Scheduled Maintenance

Scheduled for Oct 29, 01:00 - 05:00 UTC

Scheduled

Hi Team, USPS has a scheduled maintenance window for its Tracking and Transaction APIs on October 29, 2026 at 01:00 AM UTC, lasting up to 4 hours. During this time, tracking information will be unavailable and 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 15, 2026 - 18:11 UTC

This scheduled maintenance affects: Carrier API (USPS).