Authentication in .NET in 5 minutes

Lightweight, production-ready auth for ASP.NET Core — without the complexity.

KiwiAuth is a lightweight authentication library for ASP.NET Core.

JWT access tokens, refresh token rotation, TOTP-based MFA, Google OAuth, email confirmation, and password reset — all on top of ASP.NET Identity, ready in minutes.

Built for solo developers and startups who need solid, production-ready auth without writing it from scratch.

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Docs

Works in seconds

Install in seconds

1. Install the package

2. Add one line of code

3. Run your app

Done. Authentication is working.

builder.Services.AddKiwiAuth();

Everything is configured for you — secure, scalable, and ready for production.

Built for

Solo developers
SaaS startups
ASP.NET Core developers
Teams building MVPs fast

Why KiwiAuth?

Authentication shouldn’t take days.

KiwiAuth removes the complexity and gives you a complete auth system out of the box.

No need to build auth from scratch
Save hours (or days) of development
Secure defaults with ASP.NET Identity
Designed for real production use

Features

JWT access tokens
Refresh token rotation
TOTP-based multi-factor authentication (MFA)
Google OAuth integration
Email confirmation
Password reset
Role-based access control
Minimal setup (plug & play)

Loved by developers

“Finally, auth that just works.”
“Saved me days of implementation.”

Ready to simplify authentication?

Stop building auth from scratch. Start shipping faster.

Get started with KiwiAuth