Direct Debit Payment Notification

This API is used for Merchant/Partner to notify the upcoming direct debit payment. Please do note that there will be a 24H frozen period to apply the payment. This API is not needed for non-periodic payment. For periodic payment, please call the API 2-5 days prior to inform user of the deduction.

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

EndPoint

POST /binancepay/openapi/pay/notify

Request Parameters

Attributes	Type	Required	Limitation	Description
subMerchantId	string	N	maximum length 19	The sub merchant account id, issued when sub merchant been created at Binance, The parameter subMerchantId is required when configuring show subMerchant info.
merchantRequestId	string	Y	letter or digit, no other symbol allowed, maximum length 32	The order id, Unique identifier for the request, idempotent result will be returned for same requestId
tradeMode	string	Y	"DIRECT_DEBIT"
bizId	Long	Y	number	business orderId like contractId
estimatedAmount	decimal	Y	Max Unit Range: 8 decimal places	Amount to be deducted, please ensure the amount do not exceed the singleUpperLimit of the contract.
currency	string	Y	only "USDT" can be accepted, fiat NOT supported.	order currency

Sample Request Body

{
    "subMerchantId": 123,
    "merchantRequestId": "abcd",
    "tradeMode": "DIRECT_DEBIT",
    "bizId":123,
    "estimatedAmount": 6,
    "currency":"USDT"
}

Response Parameters

Attributes	Type	Required	Limitation	Description
status	string	Y	"SUCCESS" or "FAIL"	status of the API request
code	string	Y	-	request result code, refer to
data	DataObject	N	-	response body, refer to
errorMessage	string	N	maximum length 256

Child Attribute

DataObject

Attributes	Type	Required	Limitation	Description
orderId	string	Y	maximum length 19	unique id generated by binance
merchantRequestId	string	Y	letter or digit, no other symbol allowed, maximum length 32	The order id, Unique identifier for the request
transactionTime	long	Y	-	transaction time in milli seconds

Sample Response

applied success

{
    "status": "SUCCESS",
    "code": "000000",
    "data": {
        "merchantRequestId": "a0e29ab291fe6eeec5f13031b38ae284",
        "orderId": "203740009645850624",
        "transactionTime": 1672710635911
    }
}

Result Code

Name	Code	Reason	Solution
UNKNOWN_ERROR	400000	An unknown error occurred while processing the request.	Try again later
INVALID_REQUEST	400001	Parameter format is wrong or parameter transferring doesn't follow the rules.	Please check whether the parameters are correct.
INVALID_SIGNATURE	400002	Incorrect signature result	Check whether the signature parameter and method comply with signature algorithm requirements.
INVALID_TIMESTAMP	400003	Timestamp for this request is outside of the time window.	Sync server clock
INVALID_API_KEY_OR_IP	400004	API identity key not found or invalid.	Check API identity key
BAD_API_KEY_FMT	400005	API identity key format invalid.	Check API identity key.
BAD_HTTP_METHOD	400006	Request method not supported.	Check Request method.
MEDIA_TYPE_NOT_SUPPORTED	400007	Media type not supported.	Check Request Media type.
INVALID_REQUEST_BODY	400008	Request body is not a valid json object.	Check Request body
MANDATORY_PARAM_EMPTY_OR_MALFORMED	400100	A parameter was missing/empty/null, or malformed.
INVALID_PARAM_WRONG_LENGTH	400101	A parameter was not valid, was empty/null, or too long/short, or wrong format.
INVALID_PARAM_WRONG_VALUE	400102	A parameter was not valid, the value is out of range.
INVALID_PARAM_ILLEGAL_CHAR	400103	A parameter was not valid, contains illegal characters
MERCHANT_TRANSFER_MERCHANT_TYPE_INVALID	406107	Merchant type not valid not support individual merchant
MERCHANT_TRANSFER_MERCHANT_TOO_FREQUENT	406108	Fail rate is high, please try again later