Google Pay

Available: Google Pay

Google Pay is a payment method allowing Google users to pay with their devices.

1. How does it work?

Google Pay uses both device-specific tokenised credit or debit card credentials (DPAN) in place of a Payment Account Number (PAN) and PAN. When a customer confirms the payment using Face ID, Touch ID or passcode, the tokenised card data is returned to your app or website. This token can then be passed on to the Shift4 gateway to process as you would a typical online credit or debit card payment.

Any transaction type you support today for regular debit and credit cards can be performed with Google Pay, including refunds. Google Pay works on all major web and mobile web browsers.

2. Google Pay integration

You can integrate with Google Pay either from in-app or from the web transaction. You need to implement Google APIs in order to initiate the Google Pay transaction.

After integrating with Google Pay, you will be able to request an encrypted payload from Google. Google in turn will create a “payment token” that includes an encrypted “payment data” object. You should pass this object to the YabandPay gateway in the payment_token_object field for decryption and processing.

Google Pay official guidelines are as follows:

API URL：https://mapi.yabandpay.com/Payments

Method：POST

POST data type：Json

Parameter Type Description Required
user String the UID of cashier account Required
sign String signature Required
method String v3.CreateCardPayments Required
time Long timestamp Required
  • Parameter
Parameter Type Description Required
pay_method String online Required
sub_pay_method String Google Pay Required
operation String 1.Sales 2.Authorisation； Required
order_id String order id from Merchant Required
amount String format in cents: € 24.99 should be 24.99, the min amount is EUR 1.00 Required
currency String ISO 4217, For example EUR, CHF Required
description String order description Required
demo String custom field Optional
3ds_initiate String 01. Enable 3DS verification; 02. Disable 3DS verification Required
payment_token_object String The "payment_token_object" string obtained from Apple Pay Required
timeout String value 0 means 1440 minutes Required
redirect_url String the redirect URL after payment is completed Required
notify_url String asynchronous notification url Required
request_id String The request ID must be unique. It is recommended to use a combination of at least 24 digits and letters. Required

Obtain payment_token_object:

Example of token returned by Google Pay:

{"signature":"MEUCIC+XtiYdlmjL2/1wEn33qnya8G4POk5jYkRNY5+MkdBlAiEAwoRYQu26ZopwpcOWlwUe/E+i4FKzpunCFZf44mS0cxQ\u003d","intermediateSigningKey":{"signedKey":"{\"keyValue\":\"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEUJW8LjUtTV7esDMJLtCe8hYjlcQih8g7HP5bgO4ysma4/CwGq0CnZ5G0t0o44D92d9L3SfXS2GyK2PJMtE/NBg\u003d\u003d\",\"keyExpiration\":\"1724120515000\"}","signatures":["MEYCIQC1ZWgFEaSR1pNbwTW6liQL7WXZQZExx1Idj7oQzHvoPQIhAOx1b+9CamfDeZUcHXpU01xTfa6EaaH3TgKaTBnrsuuG"]},"protocolVersion":"ECv2","signedMessage":"{\"encryptedMessage\":\"y+XA1ltwldTcmVSZwfVayP7b0hPNLODGyi2UgCCJcSSs0iBj73HML5eWcYBiT+T+ZP8SmV54U9E2AmuRwVeVYHai8Z/ajrxE7fM+Fv/e9IXt36WjC4SWhAHM8T/DkOlE6BcuoKAMz6iLkJJ40g0zAkUKijln5YEbhLXHRoh/5l/8wGNDxErI7JdNZ4cA9vh8go/gR2YXKxVngFH4PFHcGyKa4MKnYDATMBDdx/F+MI4vVtPLXruTPpG0HBgLlJct95LZl9T686sOWuwg4pWLLSqcbuqd+MAZZihy2FW+9cdKNXsebL91rRbq7dahtET1K90YzyWzM9CfntcjHf5YqhnssApnE+Jb7OZ+mn5hO27Z93by7G3Fgi7YxJqcW4o/4D+NIANe0BqwbFyhw5Un8rIKkXg//WD9TlFHl2oIgyOKnZLO8NrnfEffoxstvRft1enafD0DadUk2IL5+Q\u003d\u003d\",\"ephemeralPublicKey\":\"BFzys/8Oy4iBu0ZYlLcy5SNZUOKFQhTx/985qiMFKGssVm4Fk9hweWlemyClMbI216lbsPS4Sy15ab/75gW1v08\u003d\",\"tag\":\"jpHUeHrZuI1y77wRisFznOadAzlP2je8RFpT9PFpmHs\u003d\"}"}

The payment_token_object field is the base64_encoded string of the token data obtained after connecting to Google Pay.

Signature:

Lexicographical sequence and URL key-value format new string

"3ds_initiate=01&amount=0.1&currency=EUR&description=test&method=v3.GooglePayment&notify_url=https://www.yabandpay.com/notify&operation=1&order_id=1723517503&pay_method=online&payment_token_object=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&redirect_url=https://www.yabandpay.com/redirect_url&request_id=g77ur3oqhkqd348iljrb04pbj412rka3&sub_pay_method=Google Pay&time=1723517503&timeout=0&user=016683"

Use stringA and secret_key to get stringSign

Get Signature：

"121fd2d71b47f6d46ed6b33c9d44ce409b68f8a39d9e6ef20ed426b4b7bacf04"

Example Request (operation=1 Sales):

{
    "user": "info@yabandmedia.com",
    "sign": "7b20278f5785688364f51d84ecff94c575abb1270f625b34d1c1261ca3eb2460",
    "method": "v3.GooglePay",
    "time": 1721979693,
    "data": {
        "description": "test",
        "timeout": "0",
        "pay_method": "online",
        "sub_pay_method": "Google Pay",
        "order_id": 1721979693,
        "amount": "0.1",
        "currency": "EUR",
        "operation": "1",
        "redirect_url": "https://www.yabandpay.com/redirect_url",
        "notify_url": "https://www.yabandpay.com/notify",
        "3ds_initiate": "01",
        "payment_token_object": "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",
        "browser_info": "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",
        "request_id": "2cwmm7wubqkgtzbtzjhvhkaubev81a0r"
    }
}

Example Response:

{
    "status": true,
    "code": "200",
    "data": {
        "order_id": "1723517503",
        "trade_id": "e684679e-658b-ac70-fd9e-e4959e147e00",
        "amount": "0.10",
        "currency": "EUR",
        "settlement_amount": "0.10",
        "settlement_currency": "EUR",
        "exchange_rate": "1",
        "sub_pay_method": "Google Pay",
        "state": "processing",
        "url": "https://pay.yabandpay.com/dispose_shift4_googlepay_3ds?data=eyJwc3QiOiJlNjg0Njc5ZS02NThiLWFjNzAtZmQ5ZS1lNDk1OWUxNDdlMDAiLCJzaWduX3RyYWRlX2lkIjoiNWZkNzc5Zjg0MmY1ZTc2ZjVmNGQzNGQyNGQ5MGZkMzYyZWMyZGY5ZjU0ODk5ZjBlZDgxYTRkYWUxODM2MmEwNCIsInVzZXIiOiIwMTY2ODMifQ=="
    },
    "message": "",
    "response_id": "202408131051432400124088"
}

More Information:

Return results:

  1. If the payment cancellation succeeds, it returns "status": true.

  2. If the payment cancellation fails, it returns "status": false.

You need to redirect to the returned url. After the user enters their card information and completes the payment at this url, they will be redirected back to the redirect_url. You can also check the order status by calling Query payment or wait for an asynchronous notification. If the order status state is paid, the payment is successful. If the order status state is authorized, the authorisation is successful.

Result/Error codes:
Status Code Message
true 200
fales -1000 Internal error
fales -403 The signature Error
fales -2001 The user not exist
fales -3001 Required field is missing
fales -4118 Incorrect request ID

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