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

mzapi
0.1.9

This version was deleted from PyPI around 2025-07-23. Installing fails with:
$ pip3 install mzapi==0.1.9 ERROR: Could not find a version that satisfies the requirement mzapi==0.1.9
View other deleted versions of mzapi

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/2025-07-22/ \ mzapi==0.1.9
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Or, download files manually

And install manually via pip:
MZAPI-0.1.9-py3-none-any.whl (46.3KB)
mzapi-0.1.9.tar.gz (13.3KB)