It is possible to use Google Pay without the SDK.

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About this integration

Even without the Android SDK, there is only minimal configuration required to get set up to process Google Pay. Unlike some other integrations it does not require you to sign up for a Google Developer account.

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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.

Google Pay connector setup

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Integrate Google Pay

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.

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.

private static JSONObject getGatewayTokenizationSpecification() throws JSONException {
    return new JSONObject() {{
            put("type", "PAYMENT_GATEWAY");
            put("parameters", new JSONObject() {{
            put("gateway", "gr4vy");
            put("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.

Create a transaction

In step 9 of Google’s tutorial, you will have a paymentData that needs to be sent to the gateway. You can send this object to our POST /transactions endpoint.

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]",
          "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?gr4vy_transaction_id=123 &gr4vy_transaction_status=capture_succeeded) after 3-D Secure has been completed.

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Test Google Pay

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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