This page contains the guides for code integration. Select the guide corresponding to the platform and the language.

  OS X iOS
Objective-C Using Objective-C validation code on OS X Using Objective-C validation code on iOS
Swift Using Swift validation code on OS X Using Swift validation code on iOS

You can also use Objective-C validation code in a Swift application:

  OS X iOS
Bridging Bridging Objective-C/Swift code on OS X Bridging Objective-C/Swift code on iOS