3、Repayment Notify

3.1、Repayment Notify interface

Type:POST

Content-Type:application/json

Description: This API is used to notify the payment result, including parameters such as merchant information, order status, and user information.

Body-parameters:

Parameter	Type	Description
amount	BigDecimal	The total payment amount (unit: cents, minimum value 1000)
payOrderId	string	The application order ID
code	Integer	The payment status code (e.g., success).
mchOrderNo	string	The unique merchant order number.
subject	string	Product name
sign	string	The signature for validation.
reqTime	string	The timestamp of the request.
createdAt	string	The timestamp when the order was created.
state	Integer	The payment state (Payment Status:0 - Order Generated 1 - Payment in Progress 2 - Payment Successful 3 - Payment Failed 4 - Cancelled 5 - Refunded 6 - Order Closed).

Request-example:

{
    "amount": 210800,
    "payOrderId": "P1889977259465543682",
    "code": "success",
    "mchOrderNo": "R1655T1737554677110",
    "subject": "",
    "sign": "F83542B538F7DB47EE53D0D2C6B866F4",
    "reqTime": 1739441025205,
    "createdAt": 1739440681615,
    "state": 2
}

3.2、Successfully received the response.

Description: Successfully accepted, please return SUCCESS.

•sign:

•type: String

•describe: A signature of the data used to verify the authenticity and integrity of the response. The receiver needs to perform signature verification on the returned data based on the same signature algorithm.