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Google Pay Drop-in integration

Add Google Pay to an existing Drop-in integration.

Google Pay is supported from Android Drop-in version 3.2.0 and later. For more information, see release notes.

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.

When building your Google Pay integration, you also need to:

Before you begin

This page explains how to add Google Pay to your existing Android Drop-in integration. The Android Drop-in integration works the same way for all payment methods. If you haven't done this integration yet, refer to our Drop-in integration guide.

Before starting your Google Pay integration:

  1. Make sure that you have set up your back end implementation, and added Drop-in to your payment form.
  2. Add Google Pay in your test Customer Area.

Show Google Pay in your payment form

  1. 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:

  2. When creating an instance of Drop-in, specify the required Google Pay configuration.

    val googlePayConfig = 
           GooglePayConfiguration.Builder(this@MainActivity, "YOUR_ADYEN_MERCHANT_ACCOUNT")
           .build()
    
    val dropInConfiguration = 
           DropInConfiguration.Builder(this@MainActivity, YourDropInService::class.java)
           .setEnvironment(Environment.TEST)
           // When you're ready to accept live payments, change the value to one of our live environments.
           .addGooglePayConfiguration(googlePayConfig)
           .build()

Make a payment

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

  1. Pass the paymentComponentData.paymentMethod to your server.

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

    • paymentMethod: The paymentComponentData.paymentMethod from your client app.
    • returnURL: If the shopper chooses to pay with a card that requires 3D Secure authentication, this is the URL to where the shopper should be redirected back to after they complete the payment. Get this URL from the Component in the RedirectComponent.getReturnUrl(context).
    curl https://checkout-test.adyen.com/v50/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:paymentComponentData.paymentMethod from app}paymentMethod{/hint}":{
        "type":"paywithgoogle",
        "paywithgoogle.token": "QWIwMmI0YzAhQlFBQkFnQjMv.."
      },
      "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 => "paywithgoogle",
        :paywithgoogle.token => "QWIwMmI0YzAhQlFBQkFnQjMv.."
      },
      :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);
    
        DefaultPaymentMethodDetails paymentMethodDetails = new DefaultPaymentMethodDetails();
        paymentMethodDetails.setType("paywithgoogle");
        paymentMethodDetails.setGooglepayToken("QWIwMmI0YzAhQlFBQkFnQjMv..")
        paymentsRequest.setPaymentMethod(paymentMethodDetails);
    
        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" => "paywithgoogle",
        "paywithgoogle.token" => "QWIwMmI0YzAhQlFBQkFnQjMv.."
      ),
      "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': 'paywithgoogle',
          'applepay.token': 'QWIwMmI0YzAhQlFBQkFnQjMv..'
       },
       '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 Model.Checkout.Amount("EUR", 1000);
    var details = new Model.Checkout.DefaultPaymentMethodDetails{
      Type = "paywithgoogle",
      GooglePayToken = "QWIwMmI0YzAhQlFBQkFnQjMv.."
    };
    var paymentsRequest = new Model.Checkout.PaymentRequest
    {
      Reference = "YOUR_ORDER_NUMBER",
      Amount = amount,
      ReturnUrl = @"adyencheckout://your.package.name",
      MerchantAccount = "YOUR_MERCHANT_ACCOUNT",
      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: "EUR", value: 1000 },
        paymentMethod: {
            type: 'paywithgoogle',
            paywithgoogle.token: 'QWIwMmI0YzAhQlFBQkFnQjMv..'
        },
        reference: "YOUR_ORDER_NUMBER",
        merchantAccount: config.merchantAccount,
        returnUrl: "adyencheckout://your.package.name"
    }).then(res => res);

    The response contains the result of the payment.

    {
      "pspReference": "881539337151149C",
      "resultCode": "Authorised"
    }

    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": {
         "data": {
           "MD": "NGNsQ2QzN3hxMGtVN2lueUV5QWo3UT..",
           "PaReq": "eNpVUttygjAQ/RXrB5CES1..",
           "TermUrl": "https://your-company.com/checkout?shopperOrder=12xy.."
         },
         "method": "POST",
         "paymentData": "Ab02b4c0!BQABAgA2ndtJW6...==",
         "paymentMethodType": "scheme",
         "type": "redirect",
         "url": "https://test.adyen.com/hpp/3d/validate.shtml"
       },
       "details": [
         {
           "key": "MD",
           "type": "text"
         },
         {
           "key": "PaRes",
           "type": "text"
         }
       ],
       ...
     }
  3. If you received an action object, pass the action object to your client app and return ResultType ACTION in your CallResult.

    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

If the shopper pays with a card that requires 3D Secure authentication, Drop-in redirects the shopper to another website to complete the authentication. When the shopper returns back to your app, Drop-in provides the actionComponentData. Then you need to:

  1. Pass the actionComponentData to your server.
  2. From your server, make a /payments/details request containing the actionComponentData to check the payment result.

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, you must:

  • Login to a real Google account.
  • Create a Google Pay wallet with valid card details. Google Pay does not accept test cards.

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

  1. Make sure you have the API Clientside Encryption Payments role enabled for your web service user. Check this in your live Customer Area or ask your Admin user to verify.
  2. You must complete all of 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.

See also