Implementing Version 3.0 SDK Payer Authentication {#pa-sdk-v3}
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Refer to these resources for information about implementing the Version 3.0 Payer Authentication SDK:

* For Android integrations:
  * [Version 3.0 Android Integration Guide for Payer Authentication](https://developer.cardinaltrusted.com/docs/version-30-android-integration-guide-for-payer-authentication "")
  * [Release History for Android](https://developer.cardinaltrusted.com/docs/release-notes "")
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* For iOS integrations:
  * [Version 3.0 iOS Integration for Payer Authentication](https://developer.cardinaltrusted.com/docs/v3-ios-integration-for-payer-authentication "")
  * [Release History for iOS](https://developer.cardinaltrusted.com/docs/release-notes-1 "")
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