Use the buttons below to test the API registered on the other domain. *All information is stored in sessionStorage and is kept on your computer. There is no actual registration or login process external to your own system.
There is an iframe shown below. This was manually created in the HTML, but you can use PM.preloadUrls instead. This is showing how you can use existing iframes with PM too, but PM.js is smart enough to create them on its own.
Be sure to check the console to see some messages from this iframe.