Add passkeys and adaptive MFA to your C# app.
Drop Authsignal into your C# backend with our server SDK. Ship phishing-resistant passkeys, adaptive MFA, and a no-code rules engine on top of your existing auth, with no rip-and-replace. Live in weeks, not months.
Delivering world-class results for:
Ship passkeys and adaptive MFA from your C# backend without re-architecting your auth
Pre-built UI, UI components, or fully custom. Choose the integration path that fits your stack
Phishing-resistant authentication live in weeks, backed by a visual no-code rules engine
