Spent the last week working on an upgrade to Spider-Gazelle that allows it to output OpenAPI definitions of your web service.
The cool thing is that it requires very little additional markup, beyond what you already need to write to define a route, to output very descriptive documentation.
This leverages the new Spider-Gazelle syntax, which handles param serialization for strong typing.
Which in itself is pretty cool, so if you haven’t had a look in while might be worth checking out the website