With OpenAPI you can use an API editor https://swagger.io/tools/swagger-editor/ https://swagger.io/tools/swagger-editor/ Sure you're writing YAML/JSON but the

With OpenAPI you can use an API editor https://swagger.io/tools/swagger-editor/ https://swagger.io/tools/swagger-editor/ Sure you're writing YAML/JSON but the editor is type checking in real-time and enforcing the schema.