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

rxfoundry.clients.p2rx-api
0.0.555

This version was deleted from PyPI around 2025-08-20. Installing fails with:
$ pip3 install rxfoundry.clients.p2rx-api==0.0.555 ERROR: Could not find a version that satisfies the requirement rxfoundry.clients.p2rx-api==0.0.555
View other deleted versions of rxfoundry.clients.p2rx-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/2025-08-19/ \ rxfoundry.clients.p2rx-api==0.0.555
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Or, download files manually

And install manually via pip:
rxfoundry_clients_p2rx_api-0.0.555-py3-none-any.whl (99.6KB)
rxfoundry_clients_p2rx_api-0.0.555.tar.gz (50.8KB)