5.1.2 Create a withdrawal of digital currency to any wallet (merchant-defined exchange rate)

#Brief description: Withdraw digital currency to the wallet's withdrawal business interface, allowing users to transfer usdt to the specified wallet address (Merchant-defined exchange rate requires logging into the merchant backend to set it)

• Request method: POST
• Request interface: https://gateway-domain/wallet-trade-merchant/v1/pay/blockchain/custom/rate/create
• Request media type (JSON data format)Content-Type: application/json

Request parameters

Parameter name	Type	Required	Parameter meaning	Parameter description
key	string	Yes	Merchant key	apiKey
localOrderId	string	Yes	Merchant platform local order number	Merchant platform generates unique order number locally
localUserId	string	No	Merchant platform local user ID	Merchant platform local user ID
notifyUrl	string	No	Callback address	After the order is successfully placed, the address of the merchant will be notified by the API callback request (callback details are at the bottom)
successRedirectUrl	string	No	Address	Automatically jump to the address after success
currency	string	Yes	Currency	Order Currency
network	string	Yes	Mainnet	Mainnet (currently only supports TRON, BSC, POLYGON, ETHEREUM)
address	string	Yes	Withdrawal Address	Withdrawal Address
quoteCurrency	string	Yes	Order quotation currency	Order quotation currency (you need to log in to the merchant backend to set the quotation currency exchange rate)
quoteAmount	string	Yes	Quotation Amount	Quotation Amount
isBlockchain	boolean	No	Whether to return blockchain information (default false)	When true, the callback request will carry the transaction information on the order chain
expireSecond	Long	No	Expiration timestamp (seconds)
sign	string	Yes	Signature	See Signature Algorithm for details

Request json sample

{
  "key": "9yUreYgTRtit39Dy",
  "localOrderId":"conantest0128",
  "localUserId":"996",
  "currency":"USDT",
  "network":"TRON",
  "address":"TPutFhYUQnrRxHSmKVwjp55vgk9QY6r5nS",
  "quoteCurrency":"CNY",
  "quoteAmount":"20",
  "sign":"f0ef4f925b899734727b77975ff9c0a3"
}

Response json example

{
  "code": 0,
  "success": true,
  "message": null,
  "data": {
     "orderId": 473228783386885,
     "localUserId": "996",
     "localOrderId": "conantest0128",
     "orderType": "WITHDRAW",
     "orderBizType": "WITHDRAW_ANY_DIGITAL_WALLET",
     "targetType": "EXTERNAL",
     "network": "TRON",
     "address": "TPutFhYUQnrRxHSmKVwjp55vgk9QY6r5nS",
     "currency": "CNY",
     "userCurrency": "USDT",
     "amount": "20",
     "userAmount": "20",
     "userReceivableAmount": "20",
     "rate": "1",
     "rateExpression": "1USDT≈1CNY"
     }
}

Response data parameter description

Parameter name	Type	Parameter meaning	Remarks
orderId	string	Order ID
localUserId	string	Merchant local user ID
localOrderId	string	Merchant local order number
orderType	enum	Order Type	PAYMENT：支付订单 | WITHDRAW：提款订单
orderBizType	enum	Order business type	orderBizType type description is as follows
targetType	enum	Target type	targetType type description is as follows
network	string	Mainnet type
address	string	Address	On-chain payment address
currency	string	Order currency
userCurrency	string	Arrival currency
amount	string	Order amount
userAmount	string	Amount actually received by the user
userReceivableAmount	string	User receivable amount
rate	string	Exchange rate
rateExpression	string	Exchange rate expression

orderBizType type description:

1. PAYMENT_WALLET_SCAN MINPAY wallet scan code payment
2. PAYMENT_TRANSFER digital currency binding address direct deposit
3. PAYMENT_ANY_DIGITAL_SCAN Scan the QR code to pay any amount of digital currency
4. WITHDRAW_WALLET withdraw money to MINPAY wallet
5. WITHDRAW_ANY_DIGITAL_WALLET Withdraw digital currency to any wallet
6. PAYMENT_FIXED_DIGITAL_SCAN digital currency limited amount scan code payment
7. BATCH_PAY batch payment

targetType type description:

1. INTERNAL internal address
2. EXTERNAL external address
3. USER user abstract address

Callback details

The callback method is: POST application/json

Example of jsonization of callback parameters

{
"amount":"10",
"bizType":"WITHDRAW_ANY_DIGITAL_WALLET",
"currency":"CNY",
"extra":{
     "quoteAmount":"10",
     "quoteCurrency":"CNY",
     "quotePrice":"1"
        },
"localOrderId":"conantest0132",
"merchantActualAmount":"94.63",
"merchantCurrency":"CNY",
"merchantId":302992856974,
"merchantPaidAmount":"66.84",
"merchantUserId":"996",
"notifyTime":1772266852130,
"orderCreateTime":1772266745032,
"orderId":"473284157243653",
"status":"SUCCESS",
"type":"WITHDRAW",
"userAmount":"8.5",
"userCurrency":"USDT",
"userMinerFee":"1.5",
"userReceivableAmount":"10",
"sign":"78ef83b365e77c66b0cc3a283f8ebae4",
"key":"9yUreYgTRtit39Dy"
}

Parameter name	Type	Participating signature	Parameter meaning	Parameter description
amount	decimal	Yes	Order Amount
bizType	enum	Yes	Order type	bizType type description is as follows
currency	String	Yes	Currency
key	String	Yes	Merchant key
localOrderId	String	Yes	Local order number
merchantActualAmount	decimal	Yes	Merchant’s actual payment amount
merchantCurrency	String	Yes	Merchant payment currency	Default currency
merchantId	String	Yes	Merchant ID
merchantPaidAmount	decimal	Yes	Merchant payment amount
merchantUserId	String	Yes	User id
notifyTime	long	Yes	Callback time
orderCreateTime	long	Yes	Order Creation Time
orderId	String	Yes	Order number
status	String	Yes	Payment Status
type	String	Yes	Order Type	PAYMENT:支付 WITHDRAW：提款
userAmount	decimal	Yes	User payment amount
userCurrency	String	Yes	User payment currency
sign	String	No	md5 signature	See signature algorithm for details
extra	object	Yes	Contains the following parameters
└quoteAmount	number	Yes	Order quote amount
└quoteCurrency	number	Yes	Order quote currency
└quotePrice	string	Yes	Order quotation price
userMinerFee	String	Yes	Mining fee	Withdrawal mining fee
userReceivableAmount	String	Yes	User receivable amount	User receivable amount
blockchain	object	Yes	Chain transaction information	When the order request parameter isBlockchain is true, the callback request will carry this object information. (When only on-chain transactions are involved, the isBlockchain parameter will take effect)
└network	String	Yes	Mainnet
└receiverAddress	String	Yes	Receiver Address
└senderAddress	decimal	Yes	Sending Address
└txId	String	Yes	Transaction ID

bizType type description:

1. PAYMENT_WALLET_SCAN MINPAY wallet scan code payment
2. PAYMENT_TRANSFER digital currency binding address direct deposit
3. PAYMENT_ANY_DIGITAL_SCAN Scan the QR code to pay any amount of digital currency
4. WITHDRAW_WALLET withdraw money to MINPAY wallet
5. WITHDRAW_ANY_DIGITAL_WALLET Withdraw digital currency to any wallet
6. PAYMENT_FIXED_DIGITAL_SCAN digital currency limited amount scan code payment
7. BATCH_PAY batch payment

When you receive the callback notification, please directly return the string success after the processing is completed, indicating that the message has been successfully received and processed. After the system receives the success response, it will no longer send the callback repeatedly. If the expected response is not received (success is not returned or an exception is returned), the system will resend the callback notification according to the stepped retry mechanism, retrying up to 14 times. The current retry intervals are: 15s, 15s, 30s,180s, 600s, 1200s, 1800s, 1800s, 1800s,3600s,10800s,10800s,21600s, 21600s