Account security that your customers will love.

Clef's identity solutions combine cutting-edge design research, and proven security to protect your business and customers from fraud.

"With Clef, the often painful process of logging into a site feels, admittedly, a little bit magical." Nicole Perlroth, Cybersecurity & Privacy, NYTimes
"Clef isn’t just another nice feature, it is a critical part of our security." Ray Youseff, CEO, Paxful
"Clef's security to effort ratio is the best I've ever come across for logging in." Joey Krug, Lead Developer, Augur
"Our integration with Clef allows us to provide best in class security without compromising ease of use." Arthur Hayes, CEO, Bitmex

Account security that delights customers

With Clef Native, authentication and login is an elegant, integrated part of your app experience

Customers open your app like they always do.

They navigate to your website, and see a customized version of the Clef wave.

Intuitively, they'll match the wave on your app with the website.

That’s it! Your customers are logged in securely, without the risks and pains of passwords.

Tailored to fit your business just right

We believe that better designed security should be accessible to everyone. Our products speak to this, so you can offer truly secure accounts, fraud protection and identity assurance, no matter what your size.


All the benefits of Basic optimized for high-security deployments. Two-factor authentication at volume.


Requires Clef app

  • Passwordless login
  • Public key auth protection
  • Advanced phishing protection
  • Verified user information
  • Account security dashboard (soon)

Clef Native

Best in class user account security via Clef's mobile cryptography embedded directly into your business app.

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Clef SDK built into your app

  • Fully customized experience
  • Dedicated support team
  • Custom rules-based configuration
  • Advanced end-user account management

Schedule a conversation to see if Clef is a fit for your business.

We follow strict guidelines that allow us to assess whether Clef is the right solution to fit your needs.
No sales emails unless its a perfect match.

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