Direct Debit/Pre Authorization Notification

Webhook Endpoints

Binance Pay will send direct debit/pre authorization contract events to partner for notification. You will be able to configure webhook endpoints via the Binance Merchant Admin Portal.

*This is only available for whitelisted merchants. If you need any help, you can contact us: [email protected]

In situation where event was signed to terminated, the webhook will retry up to 6 times to resend the event.

Request Parameters

Attributes	Type	Required	Limitation	Description
bizType	string	Y	-	"DIRECT_DEBIT_CT"
bizId	long	Y	-	contract id
bizIdStr	string	Y	-	biz id as string
bizStatus	string	Y	-	"CONTRACT_SIGNED","CONTRACT_TERMINATED"
data	string	Y	-	JSON string, data details refer to

Child Attribute

Notification Data

Attributes	Type	Required	Limitation	Description
merchantContractCode	string	Y	letter or digit, no other symbol allowed, maximum length 32	The unique ID assigned by the merchant to identify a direct debit contract request.
contractId	Long	Y	maximum length 19	contract id
serviceName	string	Y	maximum length 32	service name
openUserId	string	N	-	payer unique id
merchantAccountNo	string	N	maximum length 64	the userID/user account in merchant side e.g. [email protected]
singleUpperLimit	decimal	Y	Max Unit Range: 8 decimal places	upper limit
currency	string	Y	-	currency
contractTerminationWay	int	N	-	0-by user, 1-auto expire, 2-by operation team. only "CONTRACT_TERMINATED" status
contractTerminationTime	Long	N	-	only "CONTRACT_TERMINATED" status

Sample Payload

CONTRACT SIGNED

{
  "bizType": "DIRECT_DEBIT_CT",
  "data": "{\"merchantContractCode\":\"a9d1deffaecba9f592aa682b5c997042\",\"contractId\":205638372306477056,\"serviceName\":\"Tra Direct Debit\",\"openUserId\":\"04fdfaf5c88d746168e3cc0a582b65d4\",\"merchantAccountNo\":\"[email protected]\",\"currency\":\"USDT\",\"singleUpperLimit\":50.00000000}",
  "bizIdStr": "205638372306477056",
  "bizId": 205638372306477056,
  "bizStatus": "CONTRACT_SIGNED"
}

CONTRACT TERMINATED

{
  "bizType": "DIRECT_DEBIT_CT",
  "data": "{\"merchantContractCode\":\"a9d1deffaecba9f592aa682b5c997042\",\"contractId\":205638372306477056,\"serviceName\":\"Tra Direct Debit\",\"openUserId\":\"04fdfaf5c88d746168e3cc0a582b65d4\",\"merchantAccountNo\":\"[email protected]\",\"currency\":\"USDT\",\"singleUpperLimit\":50.00000000,\"contractTerminationWay\":0,\"contractTerminationTime\":1673594769902}",
  "bizIdStr": "205638372306477056",
  "bizId": 205638372306477056,
  "bizStatus": "CONTRACT_TERMINATED"
}

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}

Webhook Endpoints​

Request Parameters​

Child Attribute​

Notification Data​

Sample Payload​

CONTRACT SIGNED​

CONTRACT TERMINATED​

Response Parameters​

Sample Response​