Simple http server used as a stub for testing, will return any (GET/POST) parameters sent with some meta data as JSON. This allows you to define API calls on the fly, running requests through http, while controlling the expected output.
The server may optionally be configured to send some http errors at times replacing the expected response.
Meta data is helpful for informing tests and debugging. The returned JSON object will also have a property '_meta'. This property contains three values: