const options = {
    host: 'api.twilio.com',
    path: '/2010-04-01/Accounts/' + TWILIO_ACCOUNT + '/Messages.json',
    auth: {
        user: TWILIO_ACCOUNT,
        pass: TWILIO_API_KEY
    }
};

const req = https.get(options, (res) => { ...

const options = {
    host: 'api.twilio.com',
    path: '/2010-04-01/Accounts/' + TWILIO_ACCOUNT + '/Messages.json'
};

const req = https.get(options, (res) => { ...