JSON

JavaScript Object Notation is a standard file format that uses human readable text to transmit structured data objects. It originated from JavaScript, however, it is a language independent format.

{
    "hello": {
        "list": [1, 2, 3]
    },
    "greetings": [
        {
            "language": "English",
            "greeting": "hello"
        },
        {
            "language": "Spanish",
            "greeting": "hola"
        }
    ]
}

JSON uses the following data types: number, string, boolean, array, object, and null.