query.js

var serviceURL =
    "https://api.reporting.cloud/v1/account/settings";

$.ajax
({
    type: "GET",
    url: serviceURL,
    dataType: "json",
    async: false,
    cache: false,
    headers: {
        "Authorization": "Basic " + btoa("username:password")
    },
    success: function(response) {
        console.log(response);
}
});