7.1.1 Create MINPAY wallet payment order

#Brief description: MINPAY wallet scan code RMB recharge business interface. Users can complete the recharge of CNY to their wallet account by scanning the QR code.

• Request method: POST
• Request interface: https://gateway-domain/wallet-trade-merchant/v1/receive/internal/api/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
amount	number	Yes	Payment amount	Order amount
notifyUrl	string	Yes	Callback address	After the order is successfully placed, the merchant's address will be notified by API callback | (For callback details, please refer to Document 3)
successRedirectUrl	string	No	Address	Automatically jump to the address after success
currency	string	Yes	Order currency	Order currency (wallet supported currency)
expireSecond	Long	No	Expiration timestamp (seconds)
sign	string	Yes	Signature	See Signature Algorithm for details

Request json sample

{
  "key": "dNNTJZpgFVWlYrVv",
  "localOrderId": "173322",
  "notifyUrl": "http://127.0.0.1:8080/merchant-demo/notify",
  "amount": 1,
  "currency": "USDT",
  "sign": "7f07092874886179997617567a98e20e"
}

Response json example

{
  "code": 0,
  "success": true,
  "message": null,
  "data": {
    "orderId": "273719658252609",
    "localUserId": null,
    "localOrderId": "173322",
    "orderType": "PAYMENT",
    "orderBizType": "PAYMENT_WALLET_SCAN",
    "paymentUrl": "https://walletapi.vapyapp.com/scan-pay/JJB7BvCtyxP3ieKk1pBpxnTposMtF4nvixsjdHCu7X8KEukfzB5h3bGa88Ke",
    "publicKey": "JJB7BvCtyxP3ieKk1pBpxnTposMtF4nvixsjdHCu7X8KEukfzB5h3bGa88Ke"
  }
}

The returned paymentUrl pops up the payment page, as shown below:


Response data parameter description

Parameter name	Type	Parameter meaning	Parameter description
orderId	string	Order ID
localUserId	string	Merchant ID
localOrderId	string	Merchant local order number
orderType	enum	Order Type	PAYMENT:支付订单 ｜ WITHDRA:提款订单
orderBizType	enum	Order business	orderBizType type description is as follows
paymentUrl	string	Address	Payment Address
publicKey	string	Secret key	Public access key

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

Callback returns json data

By default, all callback parameters participate in signature verification. For details of callback parameters, please see callback ]

Callback data

{
  "amount": 11,
  "bizType": "PAYMENT_FIXED_DIGITAL_SCAN",
  "currency": "CNY",
  "key": "h3cS7dBltRU4W1wD",
  "localOrderId": "2820",
  "merchantActualAmount": 8.86,
  "merchantCurrency": "CNY",
  "merchantId": 303122065665,
  "merchantPaidAmount": 10.98,
  "merchantUserId": "97",
  "notifyTime": 1731572168370,
  "orderCreateTime": 1731572133082,
  "orderId": "273124814912907",
  "sign": "699806308a9e055114c378671b0d2a15",
  "status": "SUCCESS",
  "type": "PAYMENT",
  "userAmount": 1.55,
  "userCurrency": "USDT"
}

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