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Google Pay Drop-in integration

Add Google Pay to an existing Drop-in integration.

Our Android Drop-in renders Google Pay in your payment form. When shoppers select Google Pay, Drop-in presents the Google Pay payment sheet where shoppers choose a card they want to use. If shoppers select a card that requires 3D Secure authentication, Drop-in also handles redirecting shoppers to another website to complete the verification.

Before you begin

Before starting your Google Pay integration:

Build a Drop-in integration.
Follow the setup steps in the Google Pay documentation.
Add Google Pay in your Customer Area.

Show Google Pay in your payment form

Drop-in uses the countryCode and the amount.currency from your /paymentMethods request to show the available payment methods to your shopper. From your server, make a /paymentMethods request specifying:

countryCode: Country where Google Pay is supported. For example, NL.
amount.currency: Any supported currency. For example, EUR.

Optional configuration

When creating an instance of Drop-in, you can optionally include a GooglePayConfiguration object to add custom configuration for Google Pay in your payment form.

val googlePayConfig = GooglePayConfiguration.Builder(YourContext, "YOUR_CLIENT_KEY")
   .setAmount(amount)
   // When you're ready to accept live payments, change the value to one of our live environments (for example, Environment.LIVE).
   .setEnvironment(Environment.TEST)
   .build()

val dropInConfiguration =
   DropInConfiguration.Builder(YourContext, YourDropInService::class.java, "YOUR_CLIENT_KEY")
   // When you're ready to accept live payments, change the value to one of our live environments (for example, Environment.LIVE).
   .setEnvironment(Environment.TEST)
   // Required for versions earlier than v4.5.0. When you're ready to accept live payments, change the value to ENVIRONMENT_PRODUCTION.
   .setGooglePayEnvironment(WalletConstants.ENVIRONMENT_TEST)
   .addGooglePayConfiguration(googlePayConfig)
   .build()

Make a payment

When the shopper proceeds to pay, Drop-in returns the paymentComponentData.paymentMethod.

Pass the paymentComponentData.paymentMethod to your server.

From your server, make a /payments request, specifying:

paymentMethod: The paymentComponentData.paymentMethod from your client app.
browserInfo: Required if you want to trigger 3D Secure authentication.
returnURL: URL where the shopper will be redirected back to after completing a 3D Secure authentication. The returnUrl can have a maximum of 1024 characters. Get this URL from the Component in the RedirectComponent.getReturnUrl(context).

curl https://checkout-test.adyen.com/v68/payments \
-H "x-API-key: YOUR_X-API-KEY" \
-H "content-type: application/json" \
-d '{
  "merchantAccount":"YOUR_MERCHANT_ACCOUNT",
  "reference":"YOUR_ORDER_NUMBER",
  "amount":{
    "currency":"EUR",
    "value":1000
  },
  "{hint:data from your client app}paymentMethod{/hint}":{
    "type":"googlepay",
    "googlePayToken": "{\"signature\":\"MEUCIFNbi10fa\\u003d\",\"protocolVersion\":\"ECv1\",\"signedMessage\":\"{\\\"encryptedMessage\\\":\\\"u4YsMQ4i56lTS..D+2m9vYwY\\\",\\\"ephemeralPublicKey\\\":\\\"BIwdzX4a+rC1DiKY6/8Y\\\\u003d\\\",\\\"tag\\\":\\\"pe0MF+z7\\\\u003d\\\"}\"}"
  },
  "{hint:Required for 3D Secure}browserInfo{/hint}: {
      "userAgent":"Mozilla/5.0 (Linux; Android 6.0.1; Nexus 6P Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36",
      "acceptHeader":"text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/webp,image\/apng,*\/*;q=0.8"
  },
  "returnUrl":"adyencheckout://your.package.name"
}'

# 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 => "EUR",
    :value => 1000
  },
  :reference => "YOUR_ORDER_NUMBER",
  :paymentMethod => {
    :type => "googlepay",
    :googlePayToken => "{\"signature\":\"MEUCIFNbi10fa\\u003d\",\"protocolVersion\":\"ECv1\",\"signedMessage\":\"{\\\"encryptedMessage\\\":\\\"u4YsMQ4i56lTS..D+2m9vYwY\\\",\\\"ephemeralPublicKey\\\":\\\"BIwdzX4a+rC1DiKY6/8Y\\\\u003d\\\",\\\"tag\\\":\\\"pe0MF+z7\\\\u003d\\\"}\"}"
  },
  :browserInfo => {
    :userAgent => "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 6P Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36",
    :acceptHeader => "text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/webp,image\/apng,*\/*;q=0.8"
  },
  :returnUrl => "adyencheckout://your.package.name",
  :merchantAccount => "YOUR_MERCHANT_ACCOUNT"
})

// 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("EUR");
    amount.setValue(15000L);
    paymentsRequest.setAmount(amount);

    GooglePayDetails googlePayDetails = new GooglePayDetails();

    googlePayDetails.setGooglePayToken(state.data.paymentMethod.googlePayToken);
    paymentsRequest.setPaymentMethod(googlePayDetails);

    BrowserInfo browserInfo = new BrowserInfo();
    browserInfo.setUserAgent("Mozilla/5.0 (Linux; Android 6.0.1; Nexus 6P Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36");
    browserInfo.setAcceptHeader("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8");

    paymentsRequest.setBrowserInfo(browserInfo);

    paymentsRequest.setReference("YOUR_ORDER_NUMBER");
    paymentsRequest.setReturnUrl("adyencheckout://your.package.name");

    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" => "EUR",
    "value" => 1000
  ),
  "reference" => "YOUR_ORDER_NUMBER",
  "paymentMethod" => array(
    "type" => "googlepay",
    "googlePayToken" => "{\"signature\":\"MEUCIFNbi10fa\\u003d\",\"protocolVersion\":\"ECv1\",\"signedMessage\":\"{\\\"encryptedMessage\\\":\\\"u4YsMQ4i56lTS..D+2m9vYwY\\\",\\\"ephemeralPublicKey\\\":\\\"BIwdzX4a+rC1DiKY6/8Y\\\\u003d\\\",\\\"tag\\\":\\\"pe0MF+z7\\\\u003d\\\"}\"}"
  ),
  "browserInfo" => [
    "userAgent" => "Mozilla/5.0 (Linux; Android 6.0.1; Nexus 6P Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36",
    "acceptHeader" => "text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/webp,image\/apng,*\/*;q=0.8"
  ],
  "returnUrl" => "adyencheckout://your.package.name",
  "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': 'EUR'
   },
   'reference': 'YOUR_ORDER_NUMBER',
   'paymentMethod': {
      'type': 'googlepay',
      'googlePayToken': '{\"signature\":\"MEUCIFNbi10fa\\u003d\",\"protocolVersion\":\"ECv1\",\"signedMessage\":\"{\\\"encryptedMessage\\\":\\\"u4YsMQ4i56lTS..D+2m9vYwY\\\",\\\"ephemeralPublicKey\\\":\\\"BIwdzX4a+rC1DiKY6/8Y\\\\u003d\\\",\\\"tag\\\":\\\"pe0MF+z7\\\\u003d\\\"}\"}'
   },
   'browserInfo': {
       'userAgent': 'Mozilla/5.0 (Linux; Android 6.0.1; Nexus 6P Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36',
       'acceptHeader': 'text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/webp,image\/apng,*\/*;q=0.8'
   },
   'returnUrl': 'adyencheckout://your.package.name',
   'merchantAccount': 'YOUR_MERCHANT_ACCOUNT'
})

// 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("EUR", 1000);
var details = new GooglePayDetails{
  Type = "googlepay",
  GooglePayToken = "{\"signature\":\"MEUCIFNbi10fa\\u003d\",\"protocolVersion\":\"ECv1\",\"signedMessage\":\"{\\\"encryptedMessage\\\":\\\"u4YsMQ4i56lTS..D+2m9vYwY\\\",\\\"ephemeralPublicKey\\\":\\\"BIwdzX4a+rC1DiKY6/8Y\\\\u003d\\\",\\\"tag\\\":\\\"pe0MF+z7\\\\u003d\\\"}\"}"
};
var browserInfo  = new Adyen.Model.Checkout.BrowserInfo{
  UserAgent = @"Mozilla/5.0 (Linux; Android 6.0.1; Nexus 6P Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36",
  AcceptHeader = @"text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/webp,image\/apng,*\/*;q=0.8"
};
var paymentsRequest = new Adyen.Model.Checkout.PaymentRequest
{
  Reference = "YOUR_ORDER_NUMBER",
  Amount = amount,
  ReturnUrl = @"adyencheckout://your.package.name",
  MerchantAccount = "YOUR_MERCHANT_ACCOUNT",
  PaymentMethod = details,
  BrowserInfo = browserInfo
};

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: "EUR", value: 1000 },
    paymentMethod: {
        type: 'googlepay',
        googlePayToken: '{\"signature\":\"MEUCIFNbi10fa\\u003d\",\"protocolVersion\":\"ECv1\",\"signedMessage\":\"{\\\"encryptedMessage\\\":\\\"u4YsMQ4i56lTS..D+2m9vYwY\\\",\\\"ephemeralPublicKey\\\":\\\"BIwdzX4a+rC1DiKY6/8Y\\\\u003d\\\",\\\"tag\\\":\\\"pe0MF+z7\\\\u003d\\\"}\"}'
    },
    browserInfo: {
        userAgent: 'Mozilla/5.0 (Linux; Android 6.0.1; Nexus 6P Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36',
        acceptHeader: 'text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/webp,image\/apng,*\/*;q=0.8'
    },
    reference: "YOUR_ORDER_NUMBER",
    merchantAccount: config.merchantAccount,
    returnUrl: "adyencheckout://your.package.name"
}).then(res => res);

https://docs.adyen.com/pt/pt/payment-methods/google-pay/android-drop-in#google-pay-android

The response contains the result of the payment.

{
  "pspReference": "JDD6LKT8MBLZNN84",
  "resultCode": "Authorised"
}

https://docs.adyen.com/pt/pt/payment-methods/google-pay/android-drop-in#-payments-response

If the shopper used a card that requires 3D Secure authentication before the payment can be completed, you receive an action.type redirect in the response.

  {
        "resultCode": "RedirectShopper",
        "action": {
          "paymentMethodType": "scheme",
          "url": "https://test.adyen.com/hpp/3d/validate.shtml",
          "data": {
            "MD": "OEVudmZVMUlkWjd0MDNwUWs2bmhSdz09...",
            "PaReq": "eNpVUttygjAQ/RXbDyAXBYRZ00HpTH3wUosPfe...",
            "TermUrl": "https://example.com/checkout?shopperOrder=12xy..."
          },
          "method": "POST",
          "type": "redirect"
        }
      }

https://docs.adyen.com/pt/pt/payment-methods/google-pay/android-drop-in#-payments-response-for-a-card-that-requires-3d-secure-authentication

If you received an action object, pass the action object to your client app and return it inside a DropInServiceResult.Action.

If you did not receive an action object, proceed to present the payment result to your shopper.

Cards with 3D Secure: Check the payment result

Drop-in redirects the shopper to complete the payment. When the shopper returns back to your app, Drop-in provides the actionComponentData object.

From your server, make a POST /payments/details request providing:

details: The actionComponentData.details object from Drop-in.

  curl https://checkout-test.adyen.com/v68/payments/details \
  -H "x-API-key: YOUR_X-API-KEY" \
  -H "content-type: application/json" \
  -d '{
       "details": {
         "redirectResult": "eyJ0cmFuc1N0YXR1cyI6IlkifQ=="
     }
  }'

https://docs.adyen.com/pt/pt/payment-methods/google-pay/android-drop-in#-payments-details-request

You receive a response containing:

resultCode: Use this to present the payment result to your shopper.
pspReference: Our unique identifier for the transaction.

{
     "resultCode": "Authorised",
     "pspReference": "PPKFQ89R6QRXGN82"
}

https://docs.adyen.com/pt/pt/payment-methods/google-pay/android-drop-in#-payments-details-response

Present the payment result

Use the resultCode that you received in the /payments or /payments/details response to present the payment result to your shopper.
The resultCode values you can receive for Google Pay are:

resultCode	Description	Action to take
Authorised	The payment was successful.	Inform the shopper that the payment has been successful.
Error	There was an error when the payment was being processed.	Inform the shopper that there was an error processing their payment. The response contains a `refusalReason`, indicating the cause of the error.
Refused	The payment was refused by the shopper's bank.	Ask the shopper to try the payment again using a different payment method.

Recurring payments

To make recurring Google Pay payments, you first need to create a shopper token and then make subsequent recurring transactions with the token.
Refer to Tokenization for more information and detailed instructions.

Test and go live

To test Google Pay, log in to a Google account and create a Google Pay wallet with the details of a real card, not a test card. When you make a test payment, the card number is automatically mapped to our test card number starting with 4111, so the real card is not charged.

To test Google Pay with the 3D Secure flow, contact our Support Team.

You can check the status of a Google Pay test payment in your Customer Area > Transactions > Payments.

For more information, see Google Pay's test environment for Android.

Before you go live

Make sure your API credential has the API Clientside Encryption Payments role. Check this in your live Customer Area or ask your Admin user to verify.
Go to your live Customer Area to configure your Google Merchant ID.
Complete all the steps in the Google Pay API deploy to production documentation for Android.

In the live environment, note that Google Pay will only be available if:

The shopper is logged in to their Google account.
The shopper has at least one valid payment method on their Google Pay account.