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Whitepaper

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1. What is One-Tap Login?

A login screen showing a 'Continue with passkey' button for one-tap access.
One-Tap Login is a feature from Corbado Connect that allows your users to sign in to your application with a single touch or click, plus a quick biometric verification like Face ID or a fingerprint scan. It completely eliminates the need for users to type their username or email address on subsequent visits, creating a truly seamless and secure login experience. This is made possible by our dynamic One-Tap Passkey Button, which intelligently appears for returning users who have previously used a passkey on that device.

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2. How It Works: The User’s Journey

The magic of One-Tap Login lies in its simplicity. Here’s a typical user journey:
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First Interaction: Creating a Passkey

A user signs up or logs in for the first time. During this process, they are prompted to create a passkey, which securely links their account to their device. Our Passkey Intelligence engine notes that this user now has a passkey on this device.
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The Return: One-Tap Login Appears

When the user returns to your app, our system recognizes them. Instead of a blank login form, they are greeted with a personalized button, like “Login with Passkey as alice@example.com”.
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Instant Access: The Tap

The user simply taps the button, verifies their identity with their device’s built-in biometrics (like Face ID or fingerprint), and they’re in! No typing, no forgotten passwords, just instant access.
Visual UI Flow Examples: See the One-Tap Login UI flows for platform-specific visual demonstrations of this journey across macOS, Windows, iOS, and Android.

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3. Key Benefits of One-Tap Login

Implementing One-Tap Login offers significant advantages for both your users and your business.
  • Drastically Improved User Experience: By removing the friction of typing credentials, you make logging in effortless and fast, leading to happier users.
  • Increased Conversion and Retention: A smoother login process reduces drop-offs and encourages users to return more often.
  • Enhanced Security: One-Tap Login is built on the foundation of passkeys, which are phishing-resistant and far more secure than passwords.
  • Boosted Passkey Adoption: Highlighting the passkey option as the easiest path to login encourages more users to adopt this secure technology.

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4. Smart Handling of Multiple Scenarios

Corbado’s One-Tap Login is designed to be intelligent and handle various situations gracefully:
  • Multiple Accounts: If a user has more than one account, the One-Tap button will default to the last one used, with an easy option to switch.
  • New Devices: On a new device, the user will go through the standard login flow once. After their first passkey use on that device, One-Tap Login will be available for all future visits.
  • Seamless Fallbacks: One-Tap Login is powered by our Passkey Intelligence engine, which ensures that if a passkey isn’t available, the user is seamlessly guided to another authentication method without any confusion.

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5. Implementation and UI Examples

Visual UI Flows

See platform-specific UI implementations and user journey flows for macOS, Windows, iOS, and Android.

Integration Guide

Step-by-step guide to implement One-Tap Login in your application using Corbado Connect.

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6. Get Started

Ready to offer your users the future of authentication? One-Tap Login is a core part of Corbado Connect.
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Explore the Technology

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Start Implementation

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Advanced Features