You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

certx
0.2.0

This version was deleted from PyPI around 2025-08-16. Installing fails with:
$ pip3 install certx==0.2.0 ERROR: Could not find a version that satisfies the requirement certx==0.2.0
View other deleted versions of certx

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2025-08-15/ \ certx==0.2.0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
certx-0.2.0-py3-none-any.whl (53.3KB)
certx-0.2.0.tar.gz (37.0KB)