apionly-test.js

const {Client, Config, CheckoutAPI} = require('@adyen/api-library');
const config = new Config();
config.apiKey = 'REDACTED';
config.merchantAccount = 'MVL_TADAECOM';
const client = new Client({config});
client.setEnvironment('TEST');
const checkout = new CheckoutAPI(client);

(async function() {
  const amount = {currency: 'SGD', value: 2000};
  const paymentMethodsRes = await checkout.paymentMethods({
    merchantAccount: config.merchantAccount,
    countryCode: 'SG',
    amount,
    channel: 'Web'
  });

  console.log('available payment methods:');
  paymentMethodsRes.paymentMethods.forEach((pm) => {
    console.log('type:', pm.type);
    console.log('name:', pm.name);
    console.log('brands:', pm.brands);
  });

  const paymentDetail = {
    type: 'scheme',
    "encryptedCardNumber": "test_4917610000000000",
    "encryptedExpiryMonth": "test_03",
    "encryptedExpiryYear": "test_2030",
    "encryptedSecurityCode": "test_737",
  };

  const paymentRes = await checkout.payments({
    merchantAccount: config.merchantAccount,
    paymentMethod: paymentDetail,
    amount,
    reference: 'baadc0ffee1',
    returnUrl: 'https://localhost:3000/checkout',
    storePaymentMethod: true,
    shopperInteraction: 'Ecommerce',
    recurringProcessingModel: 'UnscheduledCardOnFile',
    shopperReference: 'myshopper-12345',
    authenticationData: {
      attemptAuthentication: 0,
    }
  });

  console.dir(paymentRes);
})();