You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
fastpi was reported malicious
OSV:MAL-2026-613 - Malicious code in fastpi (PyPI)

fastpi
0.128.0

This version was deleted from PyPI around 2026-01-31. Installing fails with:
$ pip3 install fastpi==0.128.0 ERROR: Could not find a version that satisfies the requirement fastpi==0.128.0
View other deleted versions of fastpi

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/2026-01-30/ \ fastpi==0.128.0
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Or, download files manually

And install manually via pip:
fastpi-0.128.0.tar.gz (366.7KB)