I'm also really happy with spec first. We're using openapi-generator[1] to generate types from a yaml schema (inverting the more standard approach of generating

I'm also really happy with spec first. We're using openapi-generator[1] to generate types from a yaml schema (inverting the more standard approach of generating the yaml) in our Typescript (mostly Nest.js) backends, and export those types as packages for use in our frontends. [1] https://github.com/OpenAPITools/openapi-generator https://github.com/OpenAPITools/openapi-generator