Add passkeys and adaptive MFA to your Next.js app with NextAuth.js.

Q: What does it cost to integrate with Authsignal?

You can start integrating on our free tier immediately — up to 1,000 monthly active users at no cost. For production deployments, plans start at $1,099/month. Enterprise pricing is available for larger deployments.

Authsignal integrates with NextAuth.js (Auth.js) via the Node SDK and Web SDK. Ship phishing-resistant passkeys with autofill, a no-code rules engine, and pre-built UI. Live in weeks, not months.

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Delivering world-class results for:

Fastest way to integrate MFA and passkeys with NextAuth.js

Add passkeys with autofill to your NextAuth.js app with minimal engineering lift

Pre-built UI, UI components, or custom. Choose the integration path that fits your stack.

Phishing-resistant authentication live in weeks, backed by a no-code rules engine

From daunting rebuild to shipped in weeks

Drop-in

Minimal engineering lift

Authsignal's Node SDK and Web SDK integrate with NextAuth.js's CredentialsProvider. Add passkeys and MFA to your existing Next.js app without rebuilding your auth layer. Example repository and step-by-step guide included.

SECURITY

Adaptive security without the friction

The no-code rules engine applies the right authentication at the right moment, challenging high-risk actions with step-up MFA while keeping low-risk logins fast. Product, fraud, and compliance teams set the rules. Engineering ships once.

JOURNEY

Beyond login, across the customer journey

Passkeys at sign-in. Step-up at transaction. Verification at account recovery. Authsignal orchestrates authentication at every sensitive touchpoint, not just the login screen, all from a single integration.

3 ways to integrate with NextAuth.js

“Implementing FIDO authentication through Authsignal has been a game-changer for our members’ digital experience. It’s secure, seamless and sets a new standard for trust in online banking.”

Herb Wulff

Treasury and Agency

Treasury and Agency Banking Manager

Partnering with Authsignal is simple and powerful

Start with a guided evaluation

Talk to our team to scope your integration and see a live demo tailored to your stack. Or get going today with a free trial.

Integration made easy

Follow our step-by-step guides to get up and running without friction.

Dedicated solutions engineering

Access real-time support via private Slack channel for tailored advice from our engineering team.

Flexible options

Drop-in authentication for production-grade security and compliance. Extend your existing identity stack, or replace it.

FAQ

Do I need to replace NextAuth.js to use Authsignal?

No. Authsignal integrates alongside NextAuth.js using Auth0 Actions or the CredentialsProvider. Your existing NextAuth.js configuration, session management, and providers all stay in place. Authsignal adds passkeys and MFA capabilities on top.

Does Authsignal work with the new Auth.js (NextAuth v5)?

Authsignal's integration works with NextAuth.js. Check our documentation for the latest compatibility guidance with Auth.js v5 as the migration evolves.

Why choose Authsignal?

Deploy passkeys and MFA in weeks instead of months. Flexible integration options including pre-built UI, UI components, or headless SDKs. A visual no-code rules engine for adaptive authentication policies. Real-time developer support, comprehensive documentation, and step-by-step integration guides. SOC 2 Type 2, ISO 27001, and FIDO Alliance certified.

What does it cost to integrate with Authsignal?

You can start integrating on our free trial immediately. For production deployments, plans start at $1,099/month. Enterprise pricing is available for larger deployments. See our pricing page for details.

Which MFA methods does Authsignal support?

Passkeys (FIDO2/WebAuthn), biometrics, SMS OTP, email OTP, WhatsApp OTP, push notifications, authenticator apps (TOTP), and magic links. All methods are available from a single integration and managed via the no-code rules engine.

What programming languages and SDKs are supported?

Server SDKs for Node.js, Python, Ruby, Java, C#, PHP, and Go. Client SDKs for Web (JavaScript/TypeScript), React Native, iOS (Swift), and Android (Kotlin). Plus a REST API for any language.