Modern Authentication.
On Your Terms.

Open Source. Privacy-First. Built to Scale.
‍Hanko takes care of your app's user onboarding and authentication, with full control over your data. Move between self-hosted and Hanko Cloud anytime.
No vendor lock-in, just Auth how it should be:
Secure, user friendly, and fully yours.

Try Hanko for free

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Enter passcode

Enter the passcode sent to your email address.

Continue

Back

Send new code

<div>
  <h1>Enter passcode</h1>
  <input type="text" placeholder="passcode" name="passcode" />
  <button onSubmit={() => flowstate.actions.verify_passcode.run({ code: passcode })}>Continue</button>
</div>

Select login method

How do you want to login?

Password

Passcode

Passkey

Back

<div>
  <h1>Select login method</h1>
  <ul>
    <li><button onSubmit={flowstate.actions.continue_to_password_login}>Password</button></li>
    <li><button onSubmit={flowstate.actions.continue_to_passcode_confirmation}>Passcode</button></li>
    <li><button onSubmit={flowstate.actions.webauthn_generate_request_options}>Passkey</button></li>
    <li><button onSubmit={flowstate.actions.back}>Back</button></li>
  </ul>
</div>

Set up MFA

Protect your account with Multi-Factor Authentication (MFA). MFA adds an additional step to your login process, ensuring that even if your password or email account is comprmised, your account stays secure.

Security keys

Authenticator app

Skip

<div>
  <h1>Set up MFA</h1>
  <ul>
    <li><button onSubmit={flowstate.actions.continue_to_security_key_creation}>Security Keys</button></li>
    <li><button onSubmit={flowstate.actions.continue_to_otp_secret_creation}>Authenticator app</button></li>
    <li><button onSubmit={flowstate.actions.skip}>Skip</button></li>
  </ul>
</div>

Create account

Enter your email

Continue

Continue with Google

Already have an account?

<div>
  <h1>Create account</h1>
  <div>
    <input type="text" placeholder="Enter your email" name="email" type="email" />
    <button onSubmit={() => flowstate.actions.register_login_identifier.run({
      email: email,
    })}>Continue</button>
  </div>
  <div>
    <button onSubmit={() => flowstate.actions.thirdparty_oauth({
      provider: "google",
      redirect_to: window.location.toString(),
    })}>Continue with Google</button>
  </div>
</div>

Sign in

Don't have an account?

Create account

<div>
  <h1>Sign in</h1>
  <button onSubmit={() => flowstate.actions.webauthn_generate_request_options}>Continue</button>
</div>

Sign in

Enter your email

Continue

Continue with Google

Don't have an account?

Create account

<div>
  <div>
    <h1>Sign in</h1>
    <input type="text" placeholder="Enter your email" name="email" type="email" />
    <button onSubmit={() => flowState.actions.continue_with_login_identifier.run({
      email: email,
    })}>Continue</button>
  </div>
  <div>
    <button onSubmit={() => flowstate.actions.thirdparty_oauth.run({
      provider: "google",
      redirect_to: window.location.toString(),
    })}>Continue with Google</button>
    <button onSubmit={flowstate.actions.webauthn_generate_request_options}>Sign in with a Passkey</button>
  </div>
</div>

Set up authenticator app

Scan the QR code using your authenticator app (such as Google Authenticator or any other TOTP app). Alternatively, you can manuelly enter the OTP secret key into the app.

Enter the one-time password (OTP) obtained from your authenticator app below:

Continue

Back

<div>
  <h1>Set up authenticator app</h1>
  <img src={flowstate.payload.otp_image_source} alt="OTP Image" />
  <input type="text" placeholder="Enter OTP" name="code" />
  <button onSubmit={() => flowstate.actions.otp_code_verify.run({
    otp_code: code,
  })}>Continue</button>
</div>

Social Logins

Multi-Factor Authentication

Passkeys

SSO

Build the login flows you need,
let Hanko handle the complexity

By offering a wide range of authentication methods and countless combinations of configuration options, Hanko allows you to tailor your onboarding and login flows precisely to your requirements, with a flip of a switch.

Built in Europe.
Built for control.

Hanko is developed by a Germany-based team and can be used with EU hosting or self-hosted infrastructure. For teams in Europe, this means more control over user data, authentication infrastructure, and long-term vendor dependency. 

For teams outside Europe, it simply means open source authentication with strong privacy and security defaults.

Flexible hosting options

Cloud

You use Hanko and we take care of everything else. Highly available and scaling with your growth. Up to 99.99 % SLA.

Private cloud

We manage your private Hanko environment with a cloud provider of your choice. The all-round carefree package for increased demands.

Self-hosted

Operate your Hanko environment on your own servers, with our support if you wish.

GDPR compliant

Multi-language support

EU hosting options

Use Hanko Elements for fast integration or build your own UI for full control

Hanko Elements are customizable Web Components that provide comprehensive UI for user onboarding, login, and account management, and are compatible with every web app. Hanko's Flow API guides you when building your own authentication frontend if you want full control.

Hanko Elements

Flow API

Framework-agnostik

Hanko Elements Web Components are compatible with every web stack and do not require anything else than HTML and Javascript.

Forget Frontend State Handling

Hanko's Flow API gracefully handles your authentication flows, from simple usernames and passwords to multi-step email verification and MFA enrollments. Hanko Flow API always tells your frontend what to do so you don't have to

Profile Element

More than just a login box. With Hanko Profile Element, you give your users full control over their accounts. A complete drop-in UI for password resets, MFA, passkeys, session management, and more.

Try Hanko for free

Integrates in minutes,
with any web application.

A beautiful login for your application, no matter which framework or platform you use.

Hanko documentation

Quickstart guides

Learn how to use Hanko with your favorite framework.

Starter templates

Building a new app from scratch? Cross "Auth" off your list by using a Hanko starter template.

Next.js (App router)

Next.js (Pages router)

Alex MacCaw

@maccaw

Passkeys is a new authentication technology which is poised to remove the need for passwords. Check out passkeys.io and @hanko_io for more info!

Martin Steven

SVP Product, Volt.io

"Hanko allowed us to roll out passkey-based 2FA in a matter of days."

Nicolas Gimenez

Co-Founder & CTO @zkorumhq

"The Hanko Elements workflow on the web is excellent and incredibly easy to integrate with. I've used Auth0 & Firebase Authentication in the past, both of them are way more complicated to integrate & understand."

Peer Richelsen

@peer_rich

Super cool. Hanko: Open source alternative to Auth0 and Clerk with passkey superpowers.

James Xu

Co-Founder & CTO, kangaroo

“Great product – I’m loving it.”

Marc Seitz

Founder & CEO, Papermark

“Thanks to Hanko and their Next-Auth provider, adding passkeys to your application has never been easier.”

Stefan Weiß

Co-Founder & CTO, Cure Digital Finance GmbH

“Hanko's simple yet future-proof authentication solution quickly convinced us when building our vertical bank. Customer-centric and frictionless, but at the same time fulfilling our advanced PSD2 requirements.”

Pedro Sanders

@pedrosanders_

This weekend I plan to try Passkeys by @hanko.io. I'm excited to get a hint at a passwordless future.
The best thing about this tool? It is Open Source 🙇

Thilo Brandt

Senior Director, Head of Universal Capabilities, SAP

“The development effort for introducing passkeys was significantly reduced through the use of Hanko.”

Adrian van Putten

@ProgrammerDude

I really ejoyed integrating hanko.io

tim cappaskey

@timcappalli

Check out @hanko.io! An open-source, developer focused, passkey centric authentication stack! Love to see it.

Daniel Rotzetter

Co-Founder & Engineering Lead, Mementor

“We have been using Hanko as provider for passwordless login for over two years now. From the onboarding to this day, Hanko was always a very helpful and reliable partner with an impeccable support team.”

Darren Crossley

Head of Software Development, Agrantis

“I wanted to say how amazing the Hanko system is. The experience for developers and users is so far ahead of anything else I found in the identity / authentication space.”