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Google Pay

AddGoogle Payto android apps forthese supported countries.

Important: MasterCard and Discover branded Google Pay payments receive liability shift treatment in SCA impacted regions.

Get started

  1. Ask yourImplementation Managerto enable Google Pay.
  2. Your Implementation Manager supplies you with a Gateway Merchant ID which you need to supply in your integration with Google Pay API.

Important:

  • You must set the allowedAuthMethods card parameter to "CRYPTOGRAM_3DS" as describedhere. This is to ensure only network tokens & cryptogram are passed in a tokenized card payload. This means no step-up challenge is required.
  • To be SCA compliant, you must provide thecountry codein your request to the Google Pay API when you process in an SCA impacted region.

Google Pay payment request

Here is an example of a Google Pay authorization request. For more information on taking a Google Pay payment take a look at ourPayments API documentation.

POST your authorization request to thepayments:authorizeaction link received in yourquery the payments root resourcerequest to authorize a payment.

Authorization example request

POST https://try.access.worldpay.com/payments/authorizations

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{
    "transactionReference": "unique-transactionReference",
    "merchant": {
        "entity": "default"
    },
    "instruction": {
        "narrative": {
            "line1": "trading name"
        },
        "value": {
            "currency": "GBP",
            "amount": 250
        },
        "paymentInstrument": {
            "type": "card/wallet+googlepay",
            "walletToken": "{\"protocolVersion\":\"ECv2\",\"signature\":\"MEQCIH6Q4OwQ0jAceFEkGF0JID6sJNXxOEi4r+mA7biRxqBQAiAondqoUpU/bdsrAOpZIsrHQS9nwiiNwOrr24RyPeHA0Q\\u003d\\u003d\",\"intermediateSigningKey\":{\"signedKey\": \"{\\\"keyExpiration\\\":\\\"1542323393147\\\",\\\"keyValue\\\":\\\"MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE/1+3HBVSbdv+j7NaArdgMyoSAM43yRydzqdg1TxodSzA96Dj4Mc1EiKroxxunavVIvdxGnJeFViTzFvzFRxyCw\\\\u003d\\\\u003d\\\"}\",\"signatures\": [\"MEYCIQCO2EIi48s8VTH+ilMEpoXLFfkxAwHjfPSCVED/QDSHmQIhALLJmrUlNAY8hDQRV/y1iKZGsWpeNmIP+z+tCQHQxP0v\"]},\"signedMessage\":\"{\\\"tag\\\":\\\"jpGz1F1Bcoi/fCNxI9n7Qrsw7i7KHrGtTf3NrRclt+U\\\\u003d\\\",\\\"ephemeralPublicKey\\\":\\\"BJatyFvFPPD21l8/uLP46Ta1hsKHndf8Z+tAgk+DEPQgYTkhHy19cF3h/bXs0tWTmZtnNm+vlVrKbRU9K8+7cZs\\\\u003d\\\",\\\"encryptedMessage\\\":\\\"mKOoXwi8OavZ\\\"}\"}"
        }
    }
}

Google Pay payment response

Successful payment

You receive:

Refused payment

You receive:

  • an "outcome": "refused"
  • arefusal code
  • a description that gives additional context on the refusal
  • a paymentInstrument

Example responses

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{
    "outcome": "authorized",
    "riskFactors": [{
        "risk": "not_checked",
        "detail": "postcode",
        "type": "avs"
    },
    {
        "risk": "not_matched",
        "detail": "address",
        "type": "avs"
    }],
    "paymentInstrument": {
        "type": "card/network+masked",
        "card": {
            "number": {
                "bin": "444433",
                "last4Digits": "1111"
            },
            "countryCode": "GB",
            "expiryDate": {
                "month": 1,
                "year": 2020
            },
            "brand": "visa",
            "fundingType": "debit",
            "issuer": {
                "name": "VALID_ISSUER"
            },
            "paymentAccountReference": "somePAR"
        }
    },
    "_links": {
        "payments:cancel": {
            "href": "https://try.access.worldpay.com/payments/authorizations/cancellations/eyJrIjoiazNhYjYzMiJ9"
        },
        "payments:settle": {
            "href": "https://try.access.worldpay.com/payments/settlements/full/eyJrIjoiazNhYjYzMiJ9"
        },
        "payments:partialSettle": {
            "href": "https://try.access.worldpay.com/payments/settlements/partials/eyJrIjoiazNhYjYzMiJ9"
        },
        "payments:events": {
            "href": "https://try.access.worldpay.com/payments/events/eyJrIjoiazNhYjYzMiJ9"
        },
        "curies": [{
            "name": "payments",
            "href": "https://try.access.worldpay.com/rels/payments/{rel}",
            "templated": true
        }]
    }
}
{
    "outcome": "refused",
    "description": "Do not honour",
    "code": "5",
    "riskFactors": [{
        "risk": "not_checked",
        "detail": "postcode",
        "type": "avs"
    },
    {
        "risk": "not_matched",
        "detail": "address",
        "type": "avs"
    }],
    "paymentInstrument": {
        "type": "card/network+masked",
        "card": {
            "number": {
                "bin": "444433",
                "last4Digits": "1111"
            },
            "countryCode": "GB",
            "brand": "visa",
            "fundingType": "debit",
            "issuer": {
                "name": "VALID_ISSUER"
            },
            "paymentAccountReference": "somePAR"
        }
    }
}

The paymentInstrument includes brand and fundingType. They can have the following values:

brand:

  • visa
  • visaElectron
  • mastercard
  • maestro
  • amex

fundingType:

  • debit
  • credit

paymentAccountReference (PAR):

The payment account reference is a unique identifier associated with a specific cardholder PAN. This 29 character identification number can be used in place of sensitive customer identification fields. It can be transmitted across the payments ecosystem to facilitate customer identification.


You can use the payments:settle action link tosettle the paymentstraight away. Alternatively you can cache the response and use the link to settle the payment later.