1. Add i'mport library
Simply by adding the i'mport library, you are half way done with setting up for authenticated payment integration.
Add the following JS library to the client-side page for payment integration.
You must first install jQuery 1.0 or later version.
Client-side<!-- jQuery --> <script type="text/javascript" src="https://code.jquery.com/jquery-1.12.4.min.js" ></script> <!-- iamport.payment.js --> <script type="text/javascript" src="https://cdn.iamport.kr/js/iamport.payment-{SDK-latest version}.js"></script>
Add i'mport and jQuery libraries