API Key Authentication Middleware In ASP NET Core — A How To Guide

This article was originally published on my website!

While putting some special content together, I found myself needing to integrate API key authentication middleware into my ASP.NET Core application. I’ve written before about using custom middleware in ASP.NET, but I’ve also been trying to do a better job of documenting smaller code changes like this so the next time I’m looking I have an easy reference.