adyen-web-demo/packages/server/routes/adyen-endpoints/sessions/index.js

const express = require("express");
const request = require("request-promise");
const mongoose = require("mongoose");

const { errorHandler } = require("../../helpers");
const { ADYEN_API_KEY, ADYEN_BASE_URL } = require("../../../config");

const router = express.Router();

mongoose.Promise = global.Promise;

router.post("/sessionStart", async (req, res) => {
  const { version, apiKey, payload } = req.body;
  try {
    const options = {
      url: `${ADYEN_BASE_URL}/${version}/sessions`,
      headers: {
        "Content-type": "application/json",
        "x-api-key": apiKey || ADYEN_API_KEY,
      },
      body: payload,
      json: true,
    };

    const response = await request(options);
    res.send(201).json(response);
  } catch (err) {
    errorHandler("/sessionStart", 500, err.message, res);
  }
});

module.exports = { router };