➕MQTT Transaction Information Inquiry

Inquire about transaction information

MQTT Request Check Transaction

mqtt://<vietqr-port>/vietqr/request-status/{terminalCode}

Message

Param	Type	Description
bankAccount	String	Recipient bank account number.
type	int	Type of inquiry (0: check by OrderId, 1: check by ReferenceNumber).
value	String	Value to check (OrderId or ReferenceNumber).
checkSum	String	Security check code generated from bankAccount and userBankName.

Note

The "checkSum" will be provided by the customer:

• Combine bankAccount and userBankName into a single string.

• Hash that string using the MD5 algorithm.

• The MD5 hash will be used as the checksum.

Sample

Message

{
  "bankAccount": "1234567890",
  "type": 0,
  "value": "ORD98765XYZ",
  "checkSum": "abc1234567890def1234567890abcdef"
}