Test the RESTful API's with JSON content type format with the below Swagger tooling. To easily test the API: Click at 'Expand Operations', fill in at least the requirerd parameters and click at the 'Try it Out!' button. You can find the response code under Response Messages.
You can also test this API's by using the following Swagger url: http://petstore.swagger.io/ (expand the url with /swagger.json and click Explore)