Yep, I used it to design and document a schema for a recent client of mine. What was really nice was the backend developer directly used the schemas to validate

Yep, I used it to design and document a schema for a recent client of mine. What was really nice was the backend developer directly used the schemas to validate requests to our flask http server just by adding decorators to the routing functions. It was a great tool for us to coordinate API changes across front and back end teams.