Pre-authorization

POST 
/api/entry/paypreauth

By calling this interface, the merchant generates a 'Pre-authorization' transaction order in the PayCloud backend. The system returns the payment checkout URL or payment parameters, which the merchant can use to invoke the payment page and guide the user to complete the credit card pre-authorization.

1. method is fixed as: pay.preauth; pay_method_id is fixed as: CreditLinkPay (Credit Card Payment).
2. terminal_type = WEB is for PC web payment, terminal_type = WAP is for mobile/handheld web payment.
3. The extension parameter ext_params.mp_user_id is the unique user ID in the merchant system, used for card binding during pre-authorization and identity association for subsequent Quick Pay transactions.

Request

Responses

200

Response Headers