We don’t have any third party packages for that authentication style yet, but we do have an API for supporting custom auth flows... https://www.python-httpx.org

We don’t have any third party packages for that authentication style yet, but we do have an API for supporting custom auth flows... https://www.python-httpx.org/advanced/#customizing-authentication https://www.python-httpx.org/advanced/#customizing-authentic... If you’re interested in trying httpx you’d be very welcome to raise an issue an issue related to NTLM/Negotiate authentication - it’d be really helpful for us to work through that and figure out if our auth API is sufficient for implementing that, or if there’s anything we’re missing.