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Install the Authentication SDK for mobile devices

Learn how to install Adyen's Authentication SDK for iOS and Android devices.

To help you comply with PSD2, we provide a client-side Authentication SDK that combines the possession factor with either the knowledge or the inherence factor. The SDK helps you configure a two-factor authentication feature that requires a secondary verification method through a separate communication channel, such as a mobile phone.

With Adyen's Authentication SDK, you can:

  • Check if the user's device is eligible for Strong Customer Authentication (SCA).
  • Register your user's mobile device to create device binding.
  • Authenticate your user's subsequent actions.

The Authentication SDK integration also enables you to implement out-of-band authentication for Adyen-issued cards.

System requirements

We provide the client-side Authentication SDK in the following languages:

  • Kotlin or Java for Android applications
  • Swift for iOS applications

Before you start implementing the SDK, make sure that your system follows the requirements.

  • Your application targets minimum Android API level 21 or later.
  • The authentication feature works on devices running on Android API level 26 and later.
  • The authentication feature requires Google Play Services on the cardholder's device.

To ensure the correct support type for 3D Secure on the card program, contact our Support Team.


The following tabs explain how to install the Authentication SDK using Kotlin or Swift.

To install the Authentication SDK, add the following line to your build.gradle file.

implementation "com.adyen.authentication:android-authentication:0.2.1"

Next steps

Register and manage your user's devices for strong customer authentication.