JWT Authentication in ASP.NET Core

JWT Authentication in ASP.NET Core — a practical guide to ASP.NET Core JWT authentication with clear examples you can reuse in real projects.

C# Tutorial Series (111/121). Prefer one article? Read the complete C# tutorial.

Short description

Store secrets securely; use HTTPS; keep token lifetimes short + refresh strategy.

JWT tip

Issue token on login
Authorization: Bearer <token>
Validate issuer/audience/lifetime
HTTPS only