Yes we do!
The referral page can be accessed by clicking on your brand logo. This on the left hand side bar all the way at the bottom. Hover over your brand name/logo and then click referral.
When you share your link/code with other business owners, if someone signs up with your code and subscribes for a month, you get paid out $15
You can even customize the link that you send to others. This is an example of what the page looks like.