Initialize Proofy.io API for email validation

add_action( 'init', function() {
    // Your user ID from Proofy
    $aid = 12345;

    // Your API key from Proofy
    $api_key = 'some_random_api_key';

    // Include the api wrapper object class. (Assumes you have this file in this directory)
    require 'path/to/proofy/class-rocketgeek-proofy-email-validation.php';

    // Initiate the object class with your api key.
    global $proofy;
    $proofy = new RocketGeek_Proofy_Email_Verification_API( $aid, $api_key );
});