Get a list of investors, given a list of companies

findInvestors.js

require('dotenv').config(); /* store your Angel List API token */

const rp = require('request-promise');

const ACCESS_TOKEN = process.env.ACCESS_TOKEN; /* access token to access Angel List API */
const ANGEL_LIST = 'https://api.angel.co/1'; /* version of Angel List API */
const ACCELERATOR_ID = 'YOUR_ACCELERATOR_ID_HERE';

/* utility function to create query string */
function encodeQueryData(data) {
  let result = [];
  for (let d in data)
    result.push(encodeURIComponent(d) + '=' + encodeURIComponent(data[d]));
  return result.join('&');
}

async function getInvestors(companies) {
  try {
    let result = [ ];

    for (let i = 0; i < companies.length; i++) {
      let company = companies[i];
      /* build query string for each company */
      let params = {
        access_token  : ACCESS_TOKEN,
        startup_id    : company.id,
        role          : 'past_investor',
      };
      /* fetch investors for specific company */
      let url = `${ANGEL_LIST}/startup_roles?${encodeQueryData(params)}`;
      let response = await rp(url);
      let data = JSON.parse(investors);

      let investors = data.startup_roles.map(r => r.user);
      investors.forEach(u => {
        result.push({
          name          : u.name,
          id            : u.id,
          url           : u.angellist_url,
          companyName   : company.name,
          bio           : u.bio,
        });
      });
    }
    return result;
  } catch (e) {
    console.log(e);
  }
}