USPS API service Maintenance

Scheduled for Mar 29, 11:00 - 13:30 UTC

Scheduled

USPS has a scheduled maintenance window on March 29, 2026, from 11:00 AM UTC, This will last up to 2 hours 30 minutes. During this time, tracking and label generation for USPS shipments may be intermittently unavailable. We recommend retrying any failed requests after the maintenance window is complete.

Posted Mar 13, 2026 - 19:53 UTC

This scheduled maintenance affects: Carrier API (USPS).