microsoft365admincenters.js

// XMLHttpRequest to process get requests

function getRequest(url) {
    var request = new XMLHttpRequest();
    return new Promise(function(resolve, reject) {
        request.onreadystatechange = function() {
            if (request.readyState !== 4) return;
            if (request.status >= 200 && request.status < 300) {
                resolve(request);
            } else {
                reject({
                    status: request.status,
                    statusText: request.statusText
                });
            }
        };

        request.open('GET', url, true);
        request.setRequestHeader("Content-Type", "application/json;charset=utf-8");
        request.setRequestHeader("ACCEPT", "application/json; odata.metadata=minimal");       
        request.setRequestHeader("ODATA-VERSION", "4.0");
        request.send();

    });
}

// Fetchs the values from Admin center Rest API https://admin.microsoft.com/admin/api/navigation and
// Returns the Admin Center URls
var adminurls = "";
getRequest("https://admin.microsoft.com/admin/api/navigation").then(function(output) {
    var response = JSON.parse(output.response);
    var adminconsoles = response.AdminConsoles[0].submenu;
    adminconsoles.forEach(function(admin) {
        adminurls += admin.text + " - " + admin.sref + "\r\n";
    });
    console.log(adminurls);
});