Sample response:

{
    "results": [
        {
            "name": "NL",
            "value": "Dutch"
        },
        {
            "name": "EN",
            "value": "English"
        },
        {
            "name": "FR",
            "value": "French"
        },
        {
            "name": "DE",
            "value": "German"
        },
        //...
    ],
    "metadata": {
        //...
    }
}

📘
Traversing the Tree
The request URL in this example ends with 2 chained keys: campaigns_properties and image-library-supported-languages - returned by Get list of Dictionaries and Get list of Campaign Enums respectively. (See Traversing the Tree for an overview.)