Disbursement (pay-out)

USDT region pay-out API (USDT).

Request

POST/v2.0/disbursement/digital-pay-out

Request Path:

sandbox: https://sandbox-gateway.smilepayz.com/v2.0/disbursement/digital-pay-out
production: https://gateway.smilepayz.com/v2.0/disbursement/digital-pay-out

Header Parameters

Field	Required	Type	Description
Content-Type	M	String	application/json request body.
X-TIMESTAMP	M	String	Format: yyyy-MM-ddTHH:mm:ss±HH:mm
X-SIGNATURE	M	String	Signature of JSON body (see product Signature doc).
X-PARTNER-ID	M	String	Your merchantID

Body Parameters

Field	Required	Type	Description
orderNo	M	String(32)	Merchant-unique id
purpose	M	String(64)	Memo to beneficiary
merchant	M	Object	Wraps merchantId and optional sub-merchant fields.
merchantId	M	String	Smilepayz merchantId.
merchantName	O	String	Merchant display name.
money	M	Object	Currency plus amount.
currency	M	String	Fixed to USDT.
amount	M	Number	Amount
paymentMethod	M	String(6)	See Payment methods.
cashAccount	M	String(32)	Recipient wallet address.
network	M	String(32)	Blockchain network: TRC20; ERC20, BEP20 temporarily unavailable.
callbackUrl	O	String(256)	HTTPS async status URL, max 256 chars.

---

Example Body – Disbursement Request:

Content-type: application/json
X-TIMESTAMP: 2020-12-17T10:55:00+07:00
X-SIGNATURE: 7MHd9v5/m9JeqmDZVwWBZUZ5J5...7120QnFEny7Qm7uQR1G0TWCh10fsU6nVxiRoeoQ==
X-PARTNER-ID: 20001

{
  "orderNo": "2000102900000000000001",
  "paymentMethod": "USDT",
  "purpose": "Treasury transfer — TRC20 wallet",
  "cashAccount": "TS8taf44vwibX7z4vE7aqrA7xVQjzzGKoZ",
  "network": "TRC20",
  "merchant": {
    "merchantId": "20001"
  },
  "money": {
    "amount": 100,
    "currency": "USDT"
  }
}

Responses

HTTP Request

Field	Required	Type	Description
Content-Type	M	String	application/json request body.
X-TIMESTAMP	M	String	Format: yyyy-MM-ddTHH:mm:ss±HH:mm

Body Parameters

Field	Required	Type	Description
code	M	String	00 success; other codes indicate failure.
message	M	String	UTF-8 result message.
orderNo	M	String	Merchant-unique id
tradeNo	O	String	Platform tradeNo.
merchant	M	Object	Wraps merchantId and optional sub-merchant fields.
money	M	Object	Currency plus amount.
currency	M	String	Fixed to USDT.
amount	M	Number	Amount
disbursementTime	M	String	Format: yyyy-MM-ddTHH:mm:ss±HH:mm
channel	M	Object	Channel payload.
paymentMethod	M	String	Payment method code.
cashAccount	M	String	Recipient wallet address.
status	O	String	Order or payment status enum.

Content-type: application/json
X-TIMESTAMP: 2020-12-17T10:55:00+07:00

{
    "code": "00",
    "message": "successful",
    "orderNo": "2000102900000000000001",
    "tradeNo": "20001032432400001",
    "merchant": {
        "merchantId": "20001",
        "merchantName": "Smilepayz Demo Store",
        "accountNo": "2000124234782342"
    },
    "money": {
        "currency": "USDT",
        "amount": 100
    },
    "disbursementTime": "2024-12-17T10:55:00+07:00",
    "channel": {
        "paymentMethod": "USDT",
        "cashAccount": "TS8taf44vwibX7z4vE7aqrA7xVQjzzGKoZ",
        "accountName": "Demo Beneficiary"
    },
    "status": "PROCESSING"
}

Notification/Callback

HTTP Request

Field	Required	Type	Description
Content-Type	M	String	application/json request body.
X-TIMESTAMP	M	String	Format: yyyy-MM-ddTHH:mm:ss±HH:mm
X-SIGNATURE	M	String	Callback body signature (see Callback verification).

Body Parameters

Field	Required	Type	Description
orderNo	M	String	Merchant-unique id
tradeNo	M	String	Platform tradeNo.
merchantId	M	String	Smilepayz merchantId.
merchantName	M	String	Merchant display name.
paymentMethod	M	String	See Payment methods.
transactionTime	M	String	Format: yyyy-MM-ddTHH:mm:ss
money	M	Object	Currency plus amount.
currency	M	String	Fixed to USDT.
amount	M	Number	Amount
status	M	String	Order or payment status enum.

Return

Important

Respond with the string SUCCESS only.

{
  "orderNo": "2000102900000000000001",
  "tradeNo": "20001032432400001",
  "merchantId": "20001",
  "merchantName": "Smilepayz Demo Store",
  "subMerchantId": "",
  "subMerchantName": "",
  "paymentMethod": "USDT",
  "transactionTime": "2024-12-17T10:55:00+07:00",
  "money": {
    "currency": "USDT",
    "amount": 100
  },
  "status": "SUCCESS"
}

SUCCESS