To share your web story as an Iframe, open the web story you want to monitor in the builder. Then, click on SHARE, in the top right corner of the interface.
Click on " Share with an iframe " section on the left side of the menu to open the Iframe editor.
There you can assign variables to the URL (optional) and then you can modify the height and width of the Iframe to suit your site.
Finally, you can Copy and paste the code (in the dark frame) anywhere in the <body> section of your website.
You might find it useful:
How can I...