If you need to make use of a shortcode to embed Mailmunch form in your Wordpress site, here is what shortcode for Mailmunch forms look like :
So, if your form embed code is this :
<div class='mailmunch-forms-widget-562947'></div>
The shortcode will be this :
[mailmunch-form id="562947"]
NB: The shortcode might not work if you’ve not installed the Mailmunch plugin for WordPress.
Enjoy!