It is possible to use Google Pay on the web without our SDK. To learn how to integrate Google Pay we recommend following Google’s tutorial.

The steps below will highlight any differences and specifics for our API.

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About this integration

Even without Embed, there is only minimal configuration required to get set up to process Google Pay. There is no need to sign up for a Google Developer account with this integration.

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Enable Google Pay

To enable Google Pay, head over to your dashboard and then go to Connections -> Catalog -> Google Pay.

Next, fill in your merchant name and the domain name(s) where you want to use Google Pay.

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Integrate Google Pay

The following steps highlight the integration points with our system using Google’s tutorial for Google Pay.

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Set gateway and merchant ID

In step 2 of Google’s tutorial you are instructed to request a payment token for your provider. In our case, the value for gateway needs to be set to gr4vy, and the value of gatewayMerchantId needs to be set to app.gr4vy.sandbox.[gr4vy_id].[merchant_account_id] for your sandbox environment, and app.gr4vy.[gr4vy_id].[merchant_account_id] in production.

const tokenizationSpecification = {
  type: "PAYMENT_GATEWAY",
  parameters: {
    gateway: "example",
    gatewayMerchantId: "app.gr4vy.sandbox.example.default",
  },
};

The Gr4vy ID is the unique identifier for your instance. Together with the environment (sandbox or production) it is used to connect to the right APIs.

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Create a transaction

In step 10 of Google’s tutorial, within the onPaymentAuthorized function you will have a paymentData that needs to be sent to the gateway. You can send this object to our POST /transactions endpoint either directly or via your server.

curl -X POST http://api.sandbox.example.gr4vy.app/transactions \
  -H "Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIi..." \
  -H "Content-Type: application/json" \
  -d "{
        "amount": 1299,
        "currency": "AUD",
        "country": "AU",
        "payment_method": {
          "method": "googlepay",
          "token": paymentData.paymentMethodData.tokenizationData.token,
          "card_suffix": "1234", # Can be extracted from paymentData.paymentMethodData.info.cardDetails
          "card_scheme": paymentData.paymentMethodData.info.cardNetwork,
          "redirect_url": "https://example.com/callback"
        }
      }"

We strongly recommend always providing a redirect_url, just in case any connection is configured to use 3-D Secure.

This URL will be appended with both a transaction ID and status (e.g. https://example.com/callback?transaction_id=123 &transaction_status=capture_succeeded) after 3-D Secure has been completed.

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Test Google Pay

To test Google Pay visit the site that has your integration loaded on it. Please follow the Google Pay documentation with further guides on how to add test cards for use in a sandbox environment.

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