Google Forms + Webhook : JSON example

webhook.gs

var POST_URL = "http://localhost:3000";

function onFormSubmit(e) {
  
  var data = {
    "form": {
      "id": e.source.getId(),
      "title": e.source.getTitle() ? e.source.getTitle() : "Untitled Form",
      "is_private": e.source.requiresLogin(),
      "is_published": e.source.isAcceptingResponses(),
    },
    "response": {
      "id": e.response.getId(),
      "timestamp": e.response.getTimestamp(),
      "payload": e.response.getItemResponses().map(function(y) {
        return {
          h: y.getItem().getTitle(),
          k: y.getResponse()
        }
      }, this).reduce(function(r, y) {
        r[y.h] = y.k;
        return r
      }, {}),
    },
  };

  var options = {
    method: "post",
    payload: JSON.stringify(data, null, 2),
    contentType: "application/json; charset=utf-8",
  };

  UrlFetchApp.fetch(POST_URL, options);
};