I'm only probably a month ahead of you but with my research and initial testing I've liked https://stoplight.io/open-source/prism/ https://stoplight.io/open-sou

I'm only probably a month ahead of you but with my research and initial testing I've liked https://stoplight.io/open-source/prism/ https://stoplight.io/open-source/prism/ so far. There are a lot of other options out there too if you are willing to make a swagger/open api spec