Google Pay Checkout

post

https://api-sandbox.coinflow.cash/api/checkout/google-pay/{merchantId}

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Path Params

merchantId

string

required

Body Params

subtotal

CurrencyCents | Cents | TokenSubtotal

required

webhookInfo

object

chargebackProtectionData

array of objects

Purchase *

chargebackProtectionData

customerInfo

SplitNameCustomerInfo | NameCustomerInfo

settlementType

string

enum

Allowed:

rent

object

(Solana only) if your transaction requires a known amount of Rent to be paid, you can pass it here.

redemptionCheck

boolean

(Solana only) If a transaction involved in the purchase, should payment be checked for redemption

transactionData

(EVM only) if you want to execute an EVM transaction on a successful purchase, you can pass a transaction request here.

Gas fees for the transaction will be automatically calculated and added to the total charged to the customer. Optionally the merchant can opt to pay for these gas fees.

authOnly

boolean

Only authorize the purchase. This will not actually capture the payment.(default: false)

feePercentage

double

0 to 100

If this purchase is for a seller/submerchant where the marketplace takes a fee, this is the % fee which is
taken from the subtotal amount.

fixedFee

object

jwtToken

string

This is a token encoding the parameters for the request. Allows purchase parameters to be verified
to prevent manipulation when the checkout page is presented to the user.

threeDsChallengePreference

string

enum

Allowed:

destinationAuthKey

string

If utilizing USDC settlement to addresses other than your main merchant
settlement address. Utilize this destinationAuthKey which is a JWT encoded
with the information for which address to send the USDC to.

customerUsdcTransferData

object

Customer signed USDC transferWithAuthorization data for dual-source payments
Used for combined USDC + Credit Card payments on EVM chains

authentication3DS

Device3DSInfo | External3DSInfo | ConcludeChallenge

presentment

string

enum

accountFundingTransaction

object

Used for Account Funding Transactions

paymentData

object

required

Payment data.

Contains the payment data requested in
[[PaymentDataRequest|PaymentDataRequest]]

Headers

x-device-id

string

Responses

304

Credit balance available - Please utilize the redemption endpoint to complete the purchase https://docs.coinflow.cash/reference/getredeemtransaction

402

GooglePay unavailable

423

Customer is Blocked

Language

Credentials

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Response

Click Try It! to start a request and see the response here! Or choose an example:

application/json

200Ok

412Challenge required

451Must Complete Additional Verification