PyPI SSL certificate status
Valid — 130 days until expiry(pypi.org)
This page shows the PyPI SSL certificate as served by pypi.org, read from a live TLS handshake by an independent CertPost probe and rechecked hourly: expiry, issuer, hostname coverage, the full chain, and the negotiated protocol.
Last checked 2026-09-20 07:48 UTC. CertPost is not affiliated with PyPI.
Certificate details
Hostnames this certificate covers
pypi.org, *.pypi.org, www.pypi.org, donate.pypi.org
Certificate chain as served
Common questions
Is the PyPI SSL certificate expired?
At the last check, the certificate pypi.org serves was within its validity period. It expires on 2027-01-29, 130 days from that check.
When does the PyPI SSL certificate expire?
The certificate pypi.org is currently serving expires on 2027-01-29 (130 days from the last check). Large services rotate certificates long before that date.
Who issued the PyPI SSL certificate?
The certificate was issued by GlobalSign Atlas R3 DV TLS CA 2025 Q4.
How is this checked?
A CertPost probe opens a real TLS connection to pypi.org on port 443 and reads the certificate the server presents, the same way a browser does. The result is cached and refreshed hourly.
PyPI rotates certificates without downtime. Your own domains are the ones that expire quietly — watch 3 free, no card.
Monitor your certificatesOr run a one-off check with the free SSL checker.