This is a NodeJS based backed implementation for the PayPay Sample E-Commerce Web application which utilizes PayPay's SDK.
$ npm install
$ npm run build
$ export API_KEY="REPLACE_WITH_YOUR_API_KEY"
$ export API_SECRET="REPLACE_WITH_YOUR_SECRET_KEY"
$ export MERCHANT_ID="REPLACE_WITH_YOUR_MERCHANT_ID"
$ npm start
You should now have the API server running on http://localhost:5000