Postman

Postman is an API Development Environment (ADE). It was originally design to facilitate performing HTTP requests. Since then, it has matured into an industry standard for designing, documenting, testing, and interacting with APIs.

Download and install Postman.

Once installed, open Postman.

Click on the + button to create a new HTTP request.

This is the endpoint to get a list of all available schools

https://sis.jhu.edu/api/classes/codes/schools?key=apikeyvalue

Recall the API documentation is available at https://sis.jhu.edu/api.

Click on the "Send" button. It will take a moment and then you will see the "response".

The response is in JSON format.

[
    {
        "Name": "Bloomberg School of Public Health"
    },
    {
        "Name": "Bloomberg School of Public Health Non-Credit"
    },
    {
        "Name": "Carey Business School"
    },
    {
        "Name": "Krieger School of Arts and Sciences"
    },
    {
        "Name": "Krieger School of Arts and Sciences Advanced Academic Programs"
    },
    {
        "Name": "Nitze School of Advanced International Studies"
    },
    {
        "Name": "School of Education"
    },
    {
        "Name": "School of Medicine"
    },
    {
        "Name": "School of Nursing"
    },
    {
        "Name": "The Peabody Institute"
    },
    {
        "Name": "The Peabody Preparatory"
    },
    {
        "Name": "Whiting School of Engineering"
    },
    {
        "Name": "Whiting School of Engineering Programs for Professionals"
    }
]

JSON stands for JavaScript Object Notation. It is a lightweight format for storing and transporting data, in particular when data is sent from a server to a web page. I recommend watching the (first half of the) following video to learn more about the JSON format.