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Zero Authorization

Performs an Authorization transaction on a Card for $0.00 to be validated and stored for future use.

This endpoint can only be used if the customer is actively involved in the purchase flow and has explicitly granted their authorization to charge their card.

Authentication

x-coinflow-auth-session-keystring

The session key generated for the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key

OR
x-coinflow-auth-walletstring

The web3 wallet of the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key

x-coinflow-auth-blockchainstring

The blockchain associated with the end user - see https://docs.coinflow.cash/api-reference/api-reference/authentication/get-session-key

Path parameters

merchantIdstringRequired

Headers

x-device-idstringOptional
x-coinflow-client-ipstringOptional

Request

This endpoint expects an object.
objectRequired
OR
objectRequired

Response

Ok
paymentIdstring
The ID of the payment that was created.

Errors