kintone に Stripe を組み込んで チャリン♪チャリン♪ https://blog.r3it.com/react-stripe-elements-on-kintone-14bb9452ab8d

index.js

const stripe = require("stripe")(process.env.SK);

exports.handler = (event, context, callback) => {

  console.log("Received event:", JSON.stringify(event, null, 2));

  const done = (err, res) => callback(null, {
    statusCode: err ? "400" : "200",
    body: err ? err.message : JSON.stringify(res),
    headers: {
      "Content-Type": "application/json; charset=utf-8"
    },
  });

  let body;
  try {
    body = JSON.parse(event.body);
  } catch (e) {
    return done(null, { "message": "[Bad Request] invalid payload" });
  }

  // Stripe charges API 呼び出し
  stripe.charges.create({
    amount: body.amount,
    currency: body.currency,
    description: body.description,
    source: body.stripeToken.id
  }, (err, charge) => {
    console.log("Stripe charge:", JSON.stringify(charge, null, 2));
    console.log("Stripe err:", JSON.stringify(err, null, 2));
    if (!err && charge) {
      return done(null, { "my_msg": "OK" });
    } else {
      return done(null, { "message": JSON.stringify(err, null, 2) });
    }
  });

};