PS. The reason why we're moving away from Postman is due to some tiny issue[1] that has caused lots of "you need to click here to see everthing" conversations.
[1] : https://github.com/postmanlabs/postman-app-support/issues/57...
I found slate, and it's super cool, but I haven't used it myself. There might be some pipelining involved, from my understanding of projects like https://github.com/Mermade/widdershins where you convert OpenAPI specs to markdown?
I think the good folks over at getstream.io used slate as a base for their docs CMS and loved it enough to write about it, and I'd love to read more about slate in production. Looking forward to when you finish your migration and if you write about it!