USPS System Maintenance April 23, 2026

Scheduled for Apr 23, 16:00 - 16:15 PDT

Update

We will be undergoing scheduled maintenance during this time.

Posted Mar 19, 2026 - 15:58 PDT

Scheduled

Web Tools Maintenance Outage Impacting All APIs – Effective Apr. 23 9pm ET
1. Summary: A planned maintenance outage impacting all Web Tools APIs will occur Thursday April 23,
2026, at 9pm ET for approximately 15 minutes. During this time, integrators could see errors or potential
degraded API performance.

Posted Mar 19, 2026 - 15:58 PDT

This scheduled maintenance affects: API and Shipbae.