async function createDeeplink(appCode, emvQrCode) {
  const res = await fetch('/api/v1/vietqr-core/deeplink/intents', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ appCode, qrCode: emvQrCode })
  });

  const json = await res.json();
  if (json.code === '00') {
    // Điều hướng người dùng tới liên kết mở app
    window.location.href = json.data.url;
  }
}

import requests

payload = {
    "appCode": "MB",
    "qrCode": "00020101021238530010A0000007270123000697042201091234567890208QRIBFTTA5303704540450005802VN5912NGUYEN VAN A62230819thanh toan don hang63046507"
}

res = requests.post("https://vietqr.nqtam.id.vn/api/v1/vietqr-core/deeplink/intents", json=payload)
data = res.json()
if data.get("code") == "00":
    target_url = data["data"]["url"]
    print(f"Mở liên kết: {target_url}")

<?php
$payload = [
    'appCode' => 'MB',
    'qrCode'  => '00020101021238530010A0000007270123000697042201091234567890208QRIBFTTA5303704540450005802VN5912NGUYEN VAN A62230819thanh toan don hang63046507'
];

$ch = curl_init('https://vietqr.nqtam.id.vn/api/v1/vietqr-core/deeplink/intents');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));

$response = curl_exec($ch);
$data = json_decode($response, true);
if ($data && $data['code'] === '00') {
    $targetUrl = $data['data']['url'];
    header("Location: $targetUrl");
    exit;
}
?>

using System.Net.Http.Json;

using var httpClient = new HttpClient();
var payload = new
{
    appCode = "MB",
    qrCode = "00020101021238530010A0000007270123000697042201091234567890208QRIBFTTA5303704540450005802VN5912NGUYEN VAN A62230819thanh toan don hang63046507"
};

var response = await httpClient.PostAsJsonAsync(
    "https://vietqr.nqtam.id.vn/api/v1/vietqr-core/deeplink/intents", payload);
var result = await response.Content.ReadFromJsonAsync<ApiResponse<DeeplinkResult>>();

if (result?.Code == "00")
{
    string targetUrl = result.Data.Url;
    // Điều hướng người dùng tới liên kết chuyển tiếp
}