Appendices

Common

public class IAPConfiguration

Item	Type	Description	Required
merchantId	String	The unique ID that is assigned by the ACQP to identify a merchant. The value of this parameter must be the same as the one that is specified when calling the pay API.	M
acquirerId	String	The unique ID that is assigned by Alipay+ to identify an ACQP.	M
language	String	The language that is preferred by the user. The value of the parameter consists of a language code following the ISO-639 standard and a country code following the ISO-3166 standard. The codes are connected by an underscore. For example, `en_US`. Valid values are: zh_CN: Simplified Chinese zh_HK: Traditional Chinese en_US: English ko_KR: Korean fil_PH: Filipino ms_MY: Malay id_ID: Indonesian th_TH: Thai Note: If a valid value is specified for the language parameter, the specified language is used. Otherwise, the English language is used.	O
envType	String	The type of environment where the SDK is installed. The value of this parameter affects the gateway address of the requests that are initiated from the SDK. Valid values: `PROD`: indicates the production environment. `SANDBOX`: indicates the sandbox environment. Default value: `RPOD`	O

ErrorCode

Error code	Error message	Description
1001	PARAM_ILLEGAL	Illegal parameters exist.
1002	INVALID_NETWORK	A network error occurs.
1003	SYSTEM_ERROR	A system error occurs.

Cashier Payment

public class IAPPaymentSheetEvent

Item	Type	Description	Required
name	String(constant value)	The name of the event that occurred in the lifecycle of the payment sheet.	M
message	String	The message that is related to the event.	O

constant values and possible messages

Name	Description
EVENT_SELECT_AND_PAY	The event where the user selected an MPP and clicked Pay Now to get redirected to the MPP app or WAP page.
EVENT_THROW_EXCEPTION	The event where an exception is thrown.
EVENT_USER_CANCEL	The event where the user clicked Close to cancel the payment.
EVENT_SHOW_SUCCESS	The event where the payment sheet was successfully rendered.
EVENT_PAYMENT_SUCCESS	The event where the payment succeeds. Note: The event notification returned by the MPP client only signals the termination of payment processing at the MPP side. To obtain the final payment result from Alipay+, you need to integrate the inquiryPayment and notifyPayment APIs. Currently, this type of event may occur only after you import Alipay SDK to optimize the Alipay payment experience.
EVENT_PAYMENT_FAILED	The event where the payment failed. Note: The event notification returned by the MPP client only signals the termination of payment processing at the MPP side. To obtain the final payment result from Alipay+, you need to integrate the inquiryPayment and notifyPayment APIs. Currently, this type of event may occur only after you import Alipay SDK to optimize the Alipay payment experience.
EVENT_PAYMENT_CANCELED	The event where the payment is canceled. Note: The event notification returned by the MPP client only signals the termination of payment processing at the MPP side. To obtain the final payment result from Alipay+, you need to integrate the inquiryPayment and notifyPayment APIs. Currently, this type of event may occur only after you import Alipay SDK to optimize the Alipay payment experience.
EVENT_PAYMENT_EXCEPTION	The event where an exception is thrown. Note: The event notification returned by the MPP client only signals the termination of payment processing at the MPP side. To obtain the final payment result from Alipay+, you need to integrate the inquiryPayment and notifyPayment APIs. Currently, this type of event may occur only after you import Alipay SDK to optimize the Alipay payment experience.
EVENT_PAYMENT_PROCESSING	The event where the payment is in unknown status. Note: The event notification returned by the MPP client only signals the termination of payment processing at the MPP side. To obtain the final payment result from Alipay+, you need to integrate the inquiryPayment and notifyPayment APIs. Currently, this type of event may occur only after you import Alipay SDK to optimize the Alipay payment experience.

public interface IAPPaymentSheetEventCallback

Return type	Method	Description
void	onSheetEvent(IAPPaymentSheetEvent event)	The callback function that is used to return the event that occurred when the status of the payment sheet changed.