Steps to start the server Install node and npm (in case if you haven't). Open terminal and navigate to the folder and execute below commands. npm install ./node_modules/.bin/mockserver -p 9009 -m mocks That should start a mock server and should show as below. Mockserver serving mocks {verbose:true} under mocks at http://localhost:9000 change the port number in case 9009 is already is in use or if there is any error. Now you can do following API calls: GET - http://localhost:9009/goals - gets all the goals POST - http://localhost:9009/goals - creates a goal DELETE - http://localhost:9009/goals - deletes a goal