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POST
/
usdt
/
pay
/
apply
USDT Disbursement Application
curl --request POST \
  --url https://uat-interface.haipay.asia/usdt/pay/apply \
  --header 'Content-Type: application/json' \
  --data '
{
  "appId": 123,
  "orderId": "<string>",
  "amount": "<string>",
  "accountType": "<string>",
  "bankCode": "<string>",
  "accountNo": "<string>",
  "name": "<string>",
  "phone": "<string>",
  "email": "jsmith@example.com",
  "partnerUserId": "<string>",
  "sign": "<string>",
  "subject": "<string>",
  "body": "<string>",
  "notifyUrl": "<string>"
}
'
{
  "status": "<string>",
  "error": "<string>",
  "msg": "<string>",
  "data": {
    "orderId": "<string>",
    "orderNo": "<string>",
    "sign": "<string>"
  }
}

​
Secret Key & Private Key (Generate Signature)

Body

application/json
​
appId
integer
required

Business ID (obtained in the backend; must correspond to the currency in the URL)

​
orderId
string
required

Merchant order number

Maximum string length: 48
​
amount
string
required

Transaction amount (unit: USDT, accurate to two decimal places; prohibited to add punctuation marks such as ",") Range: 0.0001-5000000

Pattern:
​
accountType
string
required
​
bankCode
string
required
​
accountNo
string
required

Address

​
name
string
required

Payee name (Payee name format: English letters with spaces allowed, 1-30 chars, "firstName middleName lastName" (middleName optional, special characters support '.-))

Required string length: 1 - 30
Pattern: ^[A-Za-z\s'.-]+$
​
phone
string
required

Real mobile number

​
email
string<email>
required

Real email address

​
partnerUserId
string
required

Unique user identifier (e.g., userId), used for risk control system, must be valid, otherwise it will affect the transaction. Format: digits, letters, or symbols -~!@#$%&*()_.

Pattern: ^[A-Za-z0-9\-~!@#$%&*()_]+$
​
sign
string
required

Signature

​
subject
string

Payment note (title, product name, reason)

​
body
string

Note details

​
notifyUrl
string<uri>

webhook URL

Response

200 - application/json
​
status
string

1: Normal, 0: Exception

​
error
string

Error code

​
msg
string

Error description

​
data
object
Last modified on April 10, 2026