The api for the application uses Node.js typescript and Express. It is located under the /api folder. To run the server navigate to this directory and run npm run start. When running locally the server is located at localhost:8080.
In order to run the react app with the backend, after starting the server, navigate to the root directory which contains the react app. Run npm start and start the app. The client app is running at localhost:3000. Navigate to this url in your browser to view the app with requests being made to the backend.