Postman is a popular API development and testing tool that allows you to make HTTP requests to a server and view the responses. It's commonly used for testing APIs during development.
Download and install Postman from the official website: Postman Download.
On the Postman application interface, you'll encounter a screen with existing collections, but to create a new one, simply click on the "New" button located at the top left corner of the interface.
Then you will see a screen similar to this one
Select the HTTP option and hit enter
Place the URL where your server is running, in our case, it is http://localhost:3000/. Select the appropriate method, which, in our case, is GET, and click the SEND button. You will receive the response, similar to what is shown above.