# MQTT Nhận Mã Thanh Toán VietQR

### <mark style="color:green;">`MQTT`</mark> **Request** Generate VietQR Code <a href="#get-token" id="get-token"></a>

```
mqtt://<vietqr-port>/vietqr/response/{terminalCode}
```

**Message**

<table><thead><tr><th width="212">Param</th><th width="133">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>bankCode</code></td><td>String</td><td>Mã ngân hàng.</td></tr><tr><td><code>bankName</code></td><td>String</td><td>Tên của ngân hàng</td></tr><tr><td><code>bankAccount</code></td><td>String</td><td>Số tài khoản nhận tiền</td></tr><tr><td><code>userBankName</code></td><td>String</td><td>Tên chủ tài khoản ngân hàng</td></tr><tr><td><code>amount</code></td><td>Long</td><td>Số tiền nhận</td></tr><tr><td><code>content</code></td><td>String</td><td>Nội dung chuyển tiền</td></tr><tr><td><code>qrCode</code></td><td>String</td><td>Mã QR</td></tr><tr><td><code>orderId</code></td><td>String</td><td>Mã đơn hàng</td></tr><tr><td><code>imgId</code></td><td>String</td><td>Hình ảnh qrCode</td></tr><tr><td><code>existing</code></td><td>String</td><td>Có tồn tại trong hệ thống VietQR</td></tr><tr><td><code>transactionId</code></td><td>String</td><td>Id của giao dịch</td></tr><tr><td><code>transactionRefId</code></td><td>String</td><td>Mã tham chiếu giao dịch</td></tr><tr><td><code>qrLink</code></td><td>String</td><td>Đường link hiện qrCode</td></tr><tr><td><code>terminalCode</code></td><td>String</td><td>Mã điểm bán hoặc mã cửa hàng</td></tr><tr><td><code>serviceCode</code></td><td>String</td><td>Mã sản phẩm</td></tr><tr><td><code>additionalData</code></td><td>List&#x3C;Object></td><td>Thông tin thêm của đối tác muốn lưu trữ kèm giao dịch</td></tr></tbody></table>

### Code mẫu

{% tabs %}
{% tab title="Message" %}

```
{
  "bankCode": "MB",
  "bankName": "MB Bank",
  "bankAccount": "1234567890",
  "userBankName": "XYZ Ltd",
  "amount": "50000",
  "content": "SampleTransactionDescription",
  "qrCode": "00020101021138540010A00000072701240006970422011012345678900208QRIBFTTA53037045405200005802VN62350831SampleTransactionDescription6304AAB8",
  "imgId": "abcd1234-5678-90ef-ghij-klmn01234567",
  "existing": 1,
  "transactionId": "",
  "transactionRefId": "ABC1234567890XYZ",
  "qrLink": "https://vietqr.vn/test/qr-generated?token=ABC1234567890XYZ",
  "terminalCode": "987",
  "serviceCode": "SVC002",
  "additionalData": [
    {
      "info": "AdditionalInfo1"
    }
  ]
}
```

{% endtab %}
{% endtabs %}

***


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

The question should be specific, self-contained, and written in natural language.
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.