Get Unassigned from HelpScout

zap.js

/*
 *  HelpScout Zap: Get Number of Unassigned in a Specific Mailbox
 *  Use Zapier's "Code" Action to trigger this
 *  This only works with Zapier, it depends on the "callback" functions
 */

var btoa = function (str) {return new Buffer(str).toString('base64');};

fetch('https://api.helpscout.net/v1/mailboxes/{HELPSCOUT_MAILBOX_ID}/folders.json', {
    cache: 'no-cache',
    credentials: 'same-origin',
    headers: {
        "Authorization": "Basic " + btoa('{HELPSCOUT_API_KEY}:X')
    },
    mode: 'no-cors',
})
.then(function(res) {
    return res.json();
})
.then(function (body) {
    var output = {
        name: body.items[0].name, // Returns 'Unassigned'
        totalCount: body.items[0].totalCount // Returns int
    };
    callback(null, output);
})
.catch(callback);