Binance Pay: Refund Order Notification

Webhook Endpoints

Binance Pay will send refund order events with final status only when partner use refund open api to partner for notification.

• Successful close result for the close refund order request will be notified through this webhook bizStatus is "REFUND_SUCCESS" or "REFUND_REJECTED"

Request Parameters

Attributes	Type	Required	Limitation	Description
bizType	string	Y	-	"PAY_REFUND"
bizId	string	Y	maximum length 19	prepay id ,unique id generated by binance
bizIdStr	string	Y	-	biz id as string
bizStatus	string	Y	-	"REFUND_SUCCESS","REFUND_REJECTED"
data	string	Y	-	JSON string, data details refer to

Child Attribute

Notification Data

Attributes	Type	Required	Limitation	Description
merchantTradeNo	string	Y	letter or digit, no other symbol allowed	The order id, Unique identifier for the request
productType	string	Y	maximum length 16	product type
productName	string	Y	maximum length 256	product name
tradeType	string	Y	"WEB", "APP", "WAP", "MINI_PROGRAM", "PAYMENT_LINK", "OTHERS"	operate entrance
totalFee	decimal	Y	limitation refer to Create Order API order amount	order amount
currency	string	Y	-	order currency
openUserId	string	N	maximum length 19	Consumer unique id
refundInfo	string	N	only merchant got approved by Binance Operation's approval will receive this payerInfo	payer information, refer to

RefundInfo Data

Attributes	Type	Required	Limitation	Description
refundRequestId	string	Y	maximum length 64	The unique ID assigned by the merchant to identify a refund request.
prepayId	string	Y	maximum length 19	The unique ID assigned by Binance for the original order to be refunded.
orderAmount	string	Y	limitation refer to Create Order API order amount	The total amount of prepay order.
refundedAmount	string	Y	limitation refer to Create Order API order amount	The total refunded amount included this refund request.
refundAmount	string	Y	limitation refer to Create Order API order amount	The refund amount of this refund request.
remainingAttempts	int	Y	-	The remaining attempts of this original order. If this value becomes 1, then your next refund request amount will be ignored. We will refund all the remaing amount of this original order.
payerOpenId	string	Y	maximum length 32	The payer open id of this refund which is the merchant open id.
duplicateRequest	string	Y	-	The flag to mark this request refundRequestId is duplicate or not. It will be 'Y' or 'N'

Sample Payload

{
  "bizType": "PAY_REFUND",
  "data": "{\"merchantTradeNo\":\"6177e6ae81ce6f001b4a6233\",\"totalFee\":0.01,\"transactTime\":1635248421335,\"refundInfo\":{\"orderAmount\":\"0.01000000\",\"duplicateRequest\":\"N\",\"payerOpenId\":\"9aa0a8bb21cf5fbf049aad7db35dc3d3\",\"prepayId\":\"123289163323899904\",\"refundRequestId\":\"68711039982968853\",\"refundedAmount\":\"0.01000000\",\"remainingAttempts\":9,\"refundAmount\":\"0.01000000\"},\"currency\":\"USDT\",\"commission\":0,\"openUserId\":\"b5ec36baaa5ab9a5cfb1c29c2057bd81\",\"productType\":\"LIVE_STREAM\",\"productName\":\"LIVE_STREAM\",\"tradeType\":\"APP\"}",
  "bizIdStr": "123289163323899904",
  "bizId": 123289163323899904,
  "bizStatus": "REFUND_SUCCESS"
}

Response Parameters

Attributes	Type	Required	Limitation	Description
returnCode	string	Y	"SUCCESS" or "FAIL"	result code of notification processing, if process fail, Binance Pay will retry
returnMessage	string	N	-	return message

Sample Response

After receiving a webhook with your endpoint, please respond with an HTTP 200 OK.

{"returnCode":"SUCCESS","returnMessage":null}