How do I know if USPS is down?

Verify USPS status by: 1) Refreshing usps.com and the tracking page, 2) Checking DownDetector for a spike in reports, 3) Searching "USPS down" on X/Twitter, or 4) Using API Status Check for real-time monitoring of the USPS website and Web Tools API.

Is USPS.com down or is it just my package?

If the USPS website itself won't load, that is a site-wide outage. If the site loads fine but your tracking number shows no updates, that is usually a scan-delay for that specific package, not a service outage.

What should I do when USPS is down?

Try clearing your browser cache, check the USPS Service Alerts page, or use a third-party tracking aggregator. If you rely on the USPS Web Tools API for shipping integrations, monitor the endpoint directly for automated alerts.

Can I monitor USPS status automatically?

Yes. API Status Check provides automated monitoring for USPS and other shipping carriers, sending instant alerts when downtime is detected on the website or API.

Is USPS Down? How to Check USPS Tracking & Website Status in 2026

Q: Why does USPS tracking stop updating?

USPS tracking can appear "down" due to scan-event delays at sorting facilities, backend database syncing lag, high holiday-season volume, or a genuine outage of the tracking website or Web Tools API.

You are waiting on a package, refresh the tracking page for the tenth time, and nothing has changed. The first question is always the same: is USPS down, or is it just this one package?

USPS handles well over 400 million pieces of mail a day, and its website and tracking systems occasionally buckle under load — especially around holidays, severe weather, or after a backend deployment. This guide covers the fastest ways to tell a real outage from a normal scan delay.

How to Check if USPS is Down (Fastest Methods)

1. Check DownDetector

DownDetector aggregates crowdsourced reports. A sharp spike in reports for USPS confirms a widespread outage rather than an issue with your package.

2. Search X (Twitter)

Search "USPS down" and filter by "Latest" — shipping issues get reported fast, especially during peak season.

3. Check the USPS Service Alerts Page

USPS posts regional disruptions caused by weather or facility issues directly on its Service Alerts page, separate from a full site outage.

4. Use API Status Check

For teams with shipping integrations, API Status Check monitors the USPS website and Web Tools API continuously, giving you a real-time view of availability.

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Why Does USPS Tracking Stop Updating?

Scan-Event Delays: A package can sit between scan points for hours without any real problem — the tracking data just hasn't caught up yet.
Peak Season Volume: Around holidays, sorting facility backlogs slow down both physical mail and the systems that log its movement.
Backend Maintenance: USPS occasionally takes tracking or Web Tools API endpoints offline briefly for updates.
Weather & Regional Disruptions: Severe weather can halt delivery and scanning in specific regions while the rest of the network runs normally.

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USPS Troubleshooting Checklist

Step 1: The Quick Fixes

Hard refresh your browser (Ctrl+F5 or Cmd+Shift+R).
Double-check the tracking number for typos.
Clear your browser cache and cookies for the usps.com domain.

Step 2: Network Isolation

Try switching from Wi-Fi to mobile data. If usps.com loads on your phone but not your desktop, the issue is your local network, not USPS.

Step 3: Use a Third-Party Tracker

If usps.com itself is unreachable, third-party tracking aggregators often pull the same data through the Web Tools API and may load when the main site doesn't.

Conclusion: Stay Ahead of Shipping Outages

Shipping carriers are critical infrastructure for e-commerce. When USPS tracking or the Web Tools API goes down, orders stall and support tickets pile up. The best defense is a monitoring system that flags the outage before your customers do.

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