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

keystone-api
0.3.26

This version was deleted from PyPI around 2025-10-11. Installing fails with:
$ pip3 install keystone-api==0.3.26 ERROR: Could not find a version that satisfies the requirement keystone-api==0.3.26
View other deleted versions of keystone-api

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/2025-10-10/ \ keystone-api==0.3.26
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:
keystone_api-0.3.26-py3-none-any.whl (146.1KB)
keystone_api-0.3.26.tar.gz (66.9KB)