Adding a Gumroad Buy Button
The Gumroad widget allows you to add a "Buy" button for a single Gumroad product. Here's how to use it:
If you haven't done so already, create a Gumroad account and add a product.
Back at Carrd, Click Add Element
Click Widget to create a new Widget element.
Set Type to Gumroad.
Enter the Product URL of the Gumroad product you'd like to associate with this button (for example,
https://gum.co/XXXXX), which can be found using these instructions.
(Optional) Change the Button Label and other Options.