“This is “how I tricked my co-workers” into using Racket.”

A fluent interface plus reflection allows one to nearly auto-generate swagger documents. For an example, check out Swashbuckler for ASP.Net/ASP.Net Core. It's very easy to configure and extend, and you can easily write in-line documentation for JSON APIs.

I'm getting a 404 when I visit that link.

can't delete. Ugh.