<?php require "../LitmusAPI.class.php"; # use your own credentials $apiKey = ""; $apiPass = ""; $LitmusAPI = new LitmusAPI($apiKey, $apiPass); $EmailTest = new EmailTest(); # Use the Sandbox environment $EmailTest->setSandbox(true); # Reuest a free of charge test. //$EmailTest->initializeFreeTest(); $EmailTest = $LitmusAPI->createEmailTest($EmailTest); # show the result var_dump($EmailTest);