Why Passwordless?
Increase Conversion
Increase Conversion
Removing passwords can increase conversion by 54%.
Boost Online Purchases
Boost Online Purchases
1/3 online purchases are abandoned due to forgotten passwords.
Improve Security
Improve Security
Data Breach costs $240K per 1K passwords breached.
Passwordless Sign In

Passwordless Sign In

Sign in faster with one-tap login for your websites and mobile apps.

Magic Link & One Time Password

Instantly login using a magic link or a verification code sent via email, SMS, or WhatsApp.

In-App Prompt

Sign in faster by tapping a prompt sent to your mobile apps.

WebAuthn (Coming Soon)

Authenticate with FaceID and Fingerprint from your websites.

Learn more about our features
<script src="https://js.cotter.app/lib/cotter.js"></script>
  var cotter = new Cotter(API_KEY_ID);

Built by Developers, for Developers.

Add Passwordless Login in just a few lines of code.

Read the Documentation

Start protecting your users.

 Why Cotter?

Find out how Cotter provides a better and faster experience than passwords, OTP, magic-links, or 2FA apps.

Ready to get started?

Create a free account and start integrating in just a few minutes.