Check out Incorporating the Stripe API look and feel into a MadCap Flare project by Ellis Pratt. Here is an excerpt:
Back in July, we looked at creating an API documentation portal using MadCap Flare (see also: Example of API documentation portal using MadCap Flare) . We done some further testing. We’ve created two new examples for API documentation that had been generated with the Stripe API look and feel…
The full article is available here.