Referr makes it easier for people to talk about your product.
Create customisable, embeddable widgets for your website that makes it easier for people to refer others to your website.
Once you make the purchase here, you will get an email with the license key from Gumroad. In case, you don't receive it please DM me on Twitter - @dprank.
See it in action here - https://build.skiptheline.dev/
You will get a license key that you can use to signup to the service.