How to use midtrans-client - 2 common examples

// pass transaction token to frontend
        res.render('simple_checkout',{
          token: transactionToken, 
          clientKey: snap.apiConfig.clientKey
        })
    })
})

/**
 * ===============
 * Using Core API - Credit Card
 * ===============
 */

// [0] Setup API client and config
let core = new midtransClient.CoreApi({
  isProduction : false,
  serverKey : 'SB-Mid-server-GwUP_WGbJPXsDzsNEBRs8IYA',
  clientKey : 'SB-Mid-client-61XuGAwQ8Bj8LxSS'
});

// [1] Render HTML+JS web page to get card token_id and [3] 3DS authentication
app.get('/simple_core_api_checkout', function (req, res) {
  res.render('simple_core_api_checkout',{ clientKey: core.apiConfig.clientKey })
})

// [2] Handle Core API credit card token_id charge
app.post('/charge_core_api_ajax', function (req, res) {
  console.log(`- Received charge request:`,req.body);
  core.charge({
    "payment_type": "credit_card",
    "transaction_details": {

app.get('/simple_checkout', function (req, res) {
  // initialize snap client object
  let snap = new midtransClient.Snap({
    isProduction : false,
    serverKey : 'SB-Mid-server-GwUP_WGbJPXsDzsNEBRs8IYA',
    clientKey : 'SB-Mid-client-61XuGAwQ8Bj8LxSS'
  });
  let parameter = {
    "transaction_details": {
      "order_id": "order-id-node-"+Math.round((new Date()).getTime() / 1000),
      "gross_amount": 200000
    }, "credit_card":{
      "secure" : true
    }
  };
  // create snap transaction token
  snap.createTransactionToken(parameter)
    .then((transactionToken)=>{
        // pass transaction token to frontend