About Unified Barcode payment

General information about Unified Barcode payment

Since Spot Payment of Alipay and Quick Pay of WeChat Pay have been integrated in , there are 2 interfaces for barcode payment. In order to initiate payment the merchant needs to ask customer in advance which payment method should be used, Alipay or WeChat Pay.

To simplify this process at merchant’s side and to offer merchants a convenient experience of barcode payment with , a unified interface can be established for both barcode payments. Based on the "barcode" it could be recognized by which payment method it’s about and then the process would be routed to the appropriate scheme.

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Unified Barcode payment

Info

Since Spot Payment of Alipay and Quick Pay of WeChat Pay have been integrated in , there are 2 interfaces for barcode payment. In order to initiate payment, the merchant needs to ask customer in advance which payment method should be used, Alipay or WeChat Pay.

Type

Payments by eWallet

Process flow chart

Unified Barcode payment process flow

interface

Calling the interface

In order to execute a payment with Unifed Barcode payment via server-to-server connection, please use the following URL:

barcode.aspx

Key	Format	CND	Description	Beschreibung
OrderDesc	ans..768	M	Name of the transaction which is displayed in the transactions list	Name der Transaktion, der in der Transaktionsliste angezeigt wird
OrderDesc2	ans..768	O	Transaction notice	Transaktionshinweis

Key	Format	CND	Description	Beschreibung
BuyerIDCode	ans..32	MC	Code generated by the Alipay-App. It is designed for the identification of a user.	Von der Alipay-App erzeugter Code. Er dient zur Identifikation des Nutzers.
TimeOut	n..14	OC	Only for WeChat: Time limit for a transaction. Unit: minutes. At least 1 minutes. Optional parameter of WeChat Pay: will be regarded when it’s a payment of WeChat Pay.	Nur für WeChat: Zeitlimit für eine Transaktion. Einheit: Minuten. Mindestens 1 Minute. Optionaler Parameter von WeChat Pay: wird berücksichtigt, wenn es eine Zahlung mit WeChat Pay ist.
GoodsCategory	an..32	OC	Only for WeChat: Product category. Meaning at WeChat Pay: Intended purpose on discount coupon. Optional parameter of WeChat Pay: will be regarded when it’s a payment of WeChat Pay.	Nur für WeChat: Product category. Meaning at WeChat Pay: Intended purpose on discount coupon. Optionaler Parameter vonWeChat Pay: wird berücksichtigt, wenn es eine Zahlung mit WeChat Pay ist.
Limit	bool	OC	Only for WeChat: If true, credit cards won't be accepted in the payment, otherwise credit cards will be accepted. Optional parameter of WeChat Pay: will be regarded when it’s a payment of WeChat Pay.	Nur für WeChat: If true, credit cards won't be accepted in the payment, otherwise credit cards will be accepted. Optionaler Parameter von WeChat Pay: wird berücksichtigt, wenn es eine Zahlung mit WeChat Pay ist.

Parameters for payments with Unified Barcode payment

Key	Format		CND	Description	Beschreibung
Status	a..50		M	OK, FAILED or AUTHORIZE_REQUEST (If no final status from Alipay exists. Customers may need to confirm the payment in the app with their password.)	OK, FAILED oder AUTHORIZE_REQUEST (Falls kein finaler Status von Alipay existiert. Kunden müssen die Zahlung eventuell in der App mit ihrem Kennwort bestätigen.)

Key	Format	CND	Description	Beschreibung
CodeExt	ans..40	OC	Only for WeChat: WeChat error code. Not included when it’s a payment of Alipay.	Nur für WeChat: Fehlercode von WeChat. Bei einer Zahlung mit Alipay nicht enthalten.
ErrorText	ans..256	O	Error text from the downstream system, only when its response is discussed with .	Fehlertext vom nachgelagerten System, nur wenn mit dem abgesprochen.
TID	ans..64	OC	Only for Alipay: TransactionID generated by Alipay system. Not included when it’s payment of WeChat Pay.	Nur für Alipay: Vom Alipay-System erzeugte TransactionID. Bei einer Zahlung mit WeChat Pay nicht enthalten.

Result parameters for payments with Unified Barcode payment

Credit / Reversal