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POST
/
open-api
/
v1
/
account
/
transfer
curl --request POST \
  --url https://sandbox-openplatform.keysecure.io/open-api/v1/account/transfer \
  --header 'Content-Type: application/json' \
  --header 'Api-Key: your_api_key' \
  --header 'Timestamp: 1716307200000' \
  --header 'Access-Token: your_access_token' \
  --data '{
    "cardholder_no": "U202605220001",
    "transfer_unique_no": "TRANSFER_202605220001",
    "type": "In",
    "balance": "100.00"
  }'

{
  "code": 0,
  "msg": "Success",
  "data": {
    "transfer_no": "",
    "transfer_unique_no": "",
    "before_balance": "",
    "after_balance": ""
  }
}
Performs a cardholder fund transfer (credit extension mode). The current transfer currency is fixed to TUSDT.

​
Request Headers

​
Api-Key
string
required
apiKey (merchant credential, bound to IP whitelist)
​
Timestamp
string
required
Unix timestamp in milliseconds. The deviation from the server time must be within 60 seconds, and future timestamps are not accepted.
​
Access-Token
string
required
Login token (required for all interfaces except Get Token).
​
Content-Type
string
default:"application/json"
Fixed to application/json

​
Request Body

​
cardholder_no
string
required
Cardholder order number.
​
transfer_unique_no
string
required
Merchant-side unique transfer order number (max 64 characters).
​
type
string
required
Transfer type, see Constants (In — credit / Out — debit).
​
balance
string
required
Transfer amount (supports up to 2 decimal places).

​
Response Parameters

​
code
number
Response status code. 0 indicates success.
​
msg
string
Response message.
​
data
object
Response data.
curl --request POST \
  --url https://sandbox-openplatform.keysecure.io/open-api/v1/account/transfer \
  --header 'Content-Type: application/json' \
  --header 'Api-Key: your_api_key' \
  --header 'Timestamp: 1716307200000' \
  --header 'Access-Token: your_access_token' \
  --data '{
    "cardholder_no": "U202605220001",
    "transfer_unique_no": "TRANSFER_202605220001",
    "type": "In",
    "balance": "100.00"
  }'

{
  "code": 0,
  "msg": "Success",
  "data": {
    "transfer_no": "",
    "transfer_unique_no": "",
    "before_balance": "",
    "after_balance": ""
  }
}