Subscription and usage billing on your own gateway, for a flat fee.
Copy the embed code and paste it in your website to display that your product was featured.
<a href="https://toplistly.com/products/two-minute-billing?ref=twominutebilling.com" target="_blank">
<img src="https://media.toplistly.com/embed/featured.png" alt="Two Minute Billing Featured on Toplistly" style="max-width:222px; max-height:50px;"/>
</a>