An example of using superagent to access Purdue.io API.

demo.js

const request = require('superagent');

request
  .get('http://api.purdue.io/odata/Subjects')
  .query({ $select: 'Name,Abbreviation' })
  .then((res) => {
    const subjects = res.body.value;
    console.log(subjects);
  });