How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

How to Implement Two-Factor Authentication in ASP.NET Core

calendar_today February 28, 2026 person milan@milanjovanovic.tech (Milan Jovanović) domain modular-monolith

Passwords alone are not enough. Learn how to implement Two-Factor Authentication in .NET using TOTP, QR codes, and the Otp.NET library, with a secure setup flow and encrypted secrets at rest.

open_in_new Read original post