Google script for slack invites, deploy on https://script.google.com

Code.gs

function doGet(e) {
  var response = UrlFetchApp.fetch("https://" + SLACK_TEAM_NAME + ".slack.com/api/users.admin.invite", {
    "method" : "post",
    "payload": { 
      "token": SLACK_API_TOKEN,
      "set_active": "true",
      "email": Session.getActiveUser().getEmail(),
    }
  });
  var result = JSON.parse(response.getContentText());
  if (result.ok) {
    return ContentService.createTextOutput("Invited to slack, check your email!");
  } else {
    return ContentService.createTextOutput("Something went wrong");
  }
}