How do I know if PyPI is down?

Verify PyPI status by: 1) Checking status.python.org, 2) Running pip install with -v for verbose connection errors, 3) Checking DownDetector, or 4) Using API Status Check for real-time monitoring of pypi.org and the JSON API.

What should I do when PyPI is down?

Try pip install --index-url to point at a mirror, clear the pip cache with pip cache purge, or wait and retry — PyPI outages are typically short. For CI pipelines, consider caching wheels locally to avoid blocking builds during an outage.

Does a PyPI outage affect pip, Poetry, and uv the same way?

Yes — pip, Poetry, uv, and other Python package managers all resolve dependencies through the same PyPI JSON API, so an outage or slowdown affects all of them simultaneously unless you've configured a private mirror.

Can I monitor PyPI status automatically?

Yes. API Status Check provides automated monitoring for PyPI and other developer infrastructure, sending instant alerts when downtime is detected so you know before a CI build fails.

Is PyPI Down? How to Check PyPI Status in 2026

Q: Why does pip install fail even when PyPI is up?

Most "PyPI is down" reports are actually local: an expired SSL cert on an old system, a corporate proxy blocking pypi.org, a stale pip cache, or a specific package mirror (like a CDN edge node) having issues while the main index is fine.

A CI pipeline fails, a local `pip install` hangs, and the error message is vague. The first question every developer asks is: is PyPI down, or is this a problem on my end?

PyPI serves billions of package downloads a month across pip, Poetry, uv, and every CI system that builds Python software. Because so much tooling depends on it silently, a slowdown or outage can look like a dozen unrelated failures before anyone realizes the index itself is the problem.

This guide covers the fastest ways to confirm a real PyPI outage versus a local networking or caching issue.

How to Check if PyPI is Down (Fastest Methods)

1. Check status.python.org

The Python Software Foundation maintains an official status page covering PyPI's web interface, JSON API, and upload pipeline — check it first.

2. Run pip with Verbose Logging

pip install -v somepackage shows the exact connection stage that failed — DNS resolution, TLS handshake, or a timeout — which tells you whether the issue is local or upstream.

3. Search X (Twitter) and DownDetector

Search "PyPI down" — the Python developer community reports index outages quickly, especially when CI pipelines start failing en masse.

4. Use API Status Check

For teams that can't afford a surprise CI failure, API Status Check monitors the PyPI JSON API continuously, giving you a real-time view of availability.

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Why Does pip install Fail Even When PyPI is Up?

Corporate Proxies/Firewalls: Many pip failures in enterprise environments are a proxy blocking pypi.org, not an actual outage.
Stale Local Cache: A corrupted pip cache can cause install failures that look like network errors — pip cache purge often fixes it.
CDN Edge Node Issues: PyPI serves files through a CDN; a single regional edge node having trouble can affect some users but not others.
Expired System Certificates: Older systems with outdated CA certificates can fail TLS verification against pypi.org even when the service is fully operational.

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PyPI Troubleshooting Checklist

Step 1: The Quick Fixes

Run pip cache purge and retry the install.
Upgrade pip itself: python -m pip install --upgrade pip.
Check for a corporate proxy or VPN intercepting the request.

Step 2: Network Isolation

Try installing from a different network (mobile hotspot). If it works there but not on your primary connection, the issue is local firewall or proxy configuration.

Step 3: Use a Mirror

If PyPI itself is confirmed down, point pip at a regional mirror with --index-url to keep builds moving while the main index recovers.

Conclusion: Stay Ahead of Package Registry Outages

Package registries are invisible infrastructure until they fail. When PyPI goes down, every dependent build across your organization stalls at once. The best defense is a monitoring system that flags the outage before your team burns an hour debugging the wrong layer.

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