Vervoe.com mass invite via CSV upload is not working. This code pushes invitees to Vervoe directly through their REST API

vervoe-mass-invite.js

function makeRequestBody(rows, jobSlug){
  var paramArr = [];

  for (var i = 0; i < rows.length; i++) {
    var name = rows[i].name.replace(/\s+/g, '+');
    var email = encodeURIComponent(rows[i].email);
    var nameS = `%22invitation_name${i + 1}%22%3A%22${name}%22`;
    var emailS = `%22invitation_email${i + 1}%22%3A%22${email}%22`;
    paramArr.push(`${nameS}%2C${emailS}`);
  }
  return `slug=${jobSlug}&form=%7B${paramArr.join('%2C')}%7D`;
}



function inviteUsers(users, jobSlug){
  var data = makeRequestBody(users, jobSlug);

  fetch('https://leadforcareer.vervoe.com/api/sourceColumn/invite', {
    method: 'POST',
    body: data,
    headers: new Headers({
      'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
    }),
    credentials: 'same-origin',
  })
  .then(res => res.json())
  .catch(error => {console.error('Error:', error); window._e = error})
  .then(response => {console.log('Success:', response); window._r = response});
}



// Format:
// var users = [
//   {name: 'name 5', email: '[email protected]'},
//   {name: 'name 6', email: '[email protected]'},
//   {name: 'name 7', email: '[email protected]'},
//   {name: 'name 8', email: '[email protected]'},
// ];
//
// Copypaste into the browser console:
// inviteUsers(users, 'frontend-software-engineer-reactjs-remote');