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

vonage
4.0.0b0

This version was deleted from PyPI around 2024-04-05. Installing fails with:
$ pip3 install vonage==4.0.0b0 ERROR: Could not find a version that satisfies the requirement vonage==4.0.0b0
View other deleted versions of vonage

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/2024-04-04/ \ vonage==4.0.0b0
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:
vonage-4.0.0b0-py2.py3-none-any.whl (25.1KB)
vonage-4.0.0b0.tar.gz (46.1KB)