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MoMo Drop-in integration

Add MoMo to an existing iOS Drop-in integration.

On this page, you can find additional configuration for adding MoMo to your Drop-in integration.

Before you begin

This page assumes you have already:

API reference

You don't need to send additional fields for MoMo. To see optional fields that you can send for all payment methods, choose the endpoint you integrated:

/sessions: This is the default with Drop-in v5.0.0 or later.
/payments: If you implemented an additional use case.

Drop-in configuration

There is no required MoMo specific integration for Drop-in.

Recurring payments

MoMo supports recurring transactions. To make recurring transactions, you need to:

Create a shopper token.
Use the token to make future payments for the shopper.

Create a token

To create a token, include in your /payments request:

storePaymentMethod: true
shopperReference: Your unique identifier for the shopper.

When the payment has been settled, you receive a webhook containing:

eventCode: RECURRING_CONTRACT
originalReference: The pspReference of the initial payment.
pspReference: This is the token that you need to make recurring payments for this shopper.

Make sure that your server is able to receive RECURRING_CONTRACT as part of your standard webhooks. You can enable the RECURRING_CONTRACT event code in the webhook settings page.

Make a payment with a token

To make a payment with the token, include in your /payments request:

paymentMethod.storedPaymentMethodId: The pspReference from the RECURRING_CONTRACT webhook.

You can also get this value by using the /listRecurringDetails endpoint.
shopperReference: The unique shopper identifier that you specified when creating the token.
shopperInteraction: ContAuth

recurringProcessingModel: Use Subscription for a series of transactions following a fixed time interval or UnscheduledCardOnFile for contracts with non-fixed time interval.

curl https://checkout-test.adyen.com/v68/payments \
-H "x-API-key: YOUR_X-API-KEY" \
-H "content-type: application/json" \
-d '{
       "amount":{
          "value":1000,
          "currency":"VND"
       },
       "paymentMethod":{
          "type":"momo_wallet",
          "storedPaymentMethodId":"7219687191761347"
       },
       "reference":"YOUR_ORDER_NUMBER",
       "merchantAccount":"YOUR_MERCHANT_ACCOUNT",
       "shopperReference":"YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
       "shopperInteraction":"ContAuth",
       "recurringProcessingModel": "Subscription"
}'

# Set your X-API-KEY with the API key from the Customer Area.
adyen = Adyen::Client.new
adyen.api_key = "YOUR_X-API-KEY"
 
response = adyen.checkout.payments({
  :amount => {
    :currency => "VND",
    :value => 1000
  },
  :reference => "YOUR_ORDER_NUMBER",
  :paymentMethod => {
    :type => "momo_wallet",
    :storedPaymentMethodId => "7219687191761347"
  },
  :returnUrl => "https://your-company.com/checkout?shopperOrder=12xy..",
  :shopperReference => "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
  :merchantAccount => "YOUR_MERCHANT_ACCOUNT",
  :shopperInteraction => "ContAuth",
  :recurringProcessingModel => "Subscription"
})

// Set YOUR_X-API-KEY with the API key from the Customer Area.
// Change to Environment.LIVE and add the Live URL prefix when you're ready to accept live payments.
Client client = new Client("YOUR_X-API-KEY", Environment.TEST);
Checkout checkout = new Checkout(client);

PaymentsRequest paymentsRequest = new PaymentsRequest();

String merchantAccount = "YOUR_MERCHANT_ACCOUNT";
paymentsRequest.setMerchantAccount(merchantAccount);

Amount amount = new Amount();
amount.setCurrency("VND");
amount.setValue(15000L);
paymentsRequest.setAmount(amount);

DefaultPaymentMethodDetails paymentMethodDetails = new DefaultPaymentMethodDetails();
paymentMethodDetails.setRecurringDetailReference("7219687191761347");
paymentMethodDetails.setType("momo_wallet");
paymentsRequest.setPaymentMethod(paymentMethodDetails);

paymentsRequest.setReference("YOUR_ORDER_NUMBER");
paymentsRequest.setReturnUrl("https://your-company.com/checkout?shopperOrder=12xy..");
paymentsRequest.setShopperReference("YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j");
paymentsRequest.setShopperInteraction("ContAuth");
paymentsRequest.setRecurringProcessingModel("Subscription");

PaymentsResponse paymentsResponse = checkout.payments(paymentsRequest);

// Set your X-API-KEY with the API key from the Customer Area.
$client = new \Adyen\Client();
$client->setXApiKey("YOUR_X-API-KEY");
$service = new \Adyen\Service\Checkout($client);

$params = array(
  "amount" => array(
    "currency" => "VND",
    "value" => 1000
  ),
  "reference" => "YOUR_ORDER_NUMBER",
  "paymentMethod" => array(
    "type" => "momo_wallet",
    "storedPaymentMethodId" => "7219687191761347"
  ),
  "returnUrl" => "https://your-company.com/checkout?shopperOrder=12xy..",
  "shopperReference" => "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
  "recurringProcessingModel" => "Subscription",
  "shopperInteraction" => "ContAuth",
  "merchantAccount" => "YOUR_MERCHANT_ACCOUNT"
);
$result = $service->payments($params);

#Set your X-API-KEY with the API key from the Customer Area.
adyen = Adyen.Adyen()
adyen.client.xapikey = 'YOUR_X-API-KEY'

result = adyen.checkout.payments({
   'amount': {
      'value': 1000,
      'currency': 'VND'
   },
   'reference': 'YOUR_ORDER_NUMBER',
   'paymentMethod': {
      'type': 'momo_wallet',
      'storedPaymentMethodId': '7219687191761347'
   },
   'returnUrl': 'https://your-company.com/checkout?shopperOrder=12xy..',
   'shopperReference': 'YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j'
   'merchantAccount': 'YOUR_MERCHANT_ACCOUNT',
   'shopperInteraction':'ContAuth',
   'recurringProcessingModel': 'Subscription'
})

// Set your X-API-KEY with the API key from the Customer Area.
var client = new Client ("YOUR_X-API-KEY", Environment.Test);
var checkout = new Checkout(client);

var amount = new Adyen.Model.Checkout.Amount("VND", 1000);
var details = new Adyen.Model.Checkout.DefaultPaymentMethodDetails{
  Type = "momo_wallet",
  StoredPaymentMethodId = "7219687191761347"
};
var paymentsRequest = new Adyen.Model.Checkout.PaymentRequest
{
  Reference = "YOUR_ORDER_NUMBER",
  Amount = amount,
  ReturnUrl = @"https://your-company.com/checkout?shopperOrder=12xy..",
  MerchantAccount = "YOUR_MERCHANT_ACCOUNT",
  ShopperReference = "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
  RecurringProcessingModel = Adyen.Model.Checkout.PaymentRequest.RecurringProcessingModelEnum.Subscription,
  ShopperInteraction = Adyen.Model.Checkout.PaymentRequest.ShopperInteractionEnum.ContAuth,
  PaymentMethod = details
};

var paymentResponse = checkout.Payments(paymentsRequest);

// Set your X-API-KEY with the API key from the Customer Area.
const {Client, Config, CheckoutAPI} = require('@adyen/api-library');
const config = new Config();
// Set your X-API-KEY with the API key from the Customer Area.
config.apiKey = '[API_KEY]';
config.merchantAccount = '[YOUR_MERCHANT_ACCOUNT]';
const client = new Client({ config });
client.setEnvironment("TEST");
const checkout = new CheckoutAPI(client);
checkout.payments({
    amount: { currency: "VND", value: 1000 },
    paymentMethod: {
        type: 'momo_wallet',
        storedPaymentMethodId: "7219687191761347"
    },
    reference: "YOUR_ORDER_NUMBER",
    merchantAccount: config.merchantAccount,
    shopperReference: "YOUR_UNIQUE_SHOPPER_ID_IOfW3k9G2PvXFu2j",
    returnUrl: "https://your-company.com/checkout?shopperOrder=12xy..",
    shopperInteraction: "ContAuth",
    recurringProcessingModel: "Subscription"
}).then(res => res);

https://docs.adyen.com/pt/pt/payment-methods/momo-wallet/ios-drop-in#recurring-momo

Test and go live

To make MoMo payments in the test environment:

Download the MoMo test app for iOS or Android at https://test-payment.momo.vn/download/. If you're testing on a mobile browser, you see a link to download the test app. If you're testing on a desktop browser, use the test app to scan the QR code.
Use MoMo's test credentials to log in to the test app. MoMo provides different credentials depending on the scenario that you want to test (for example, failed scenarios).

Check the status of MoMo test payments in your Customer Area > Transactions > Payments.

Before you can accept live MoMo payments, you need to submit a request for MoMo in your live Customer Area.