I've been writing a short series on OpenIddict basics while preparing IdentitySuite's v3.0 release — here's part 1.

The .NET framework developers choose for OAuth 2.0 and OpenID Connect

At some point in every .NET developer's journey, the same question comes up: how do I handle authentication properly? Not just a login form — but token issuance, authorization flows, secure API access, and all the moving parts that modern applications require.

If you have been researching this topic, you have probably come across OpenIddict. This article explains what it is, what it actually does, and why so many developers in the .NET ecosystem rely on it.

What is OpenIddict?