# 1. Kiểm tra số dư tài khoản
curl -X GET "https://henryupdate.io.vn/api/seller.php?action=balance" \
  -H "Authorization: Bearer YOUR_TOKEN"

# 2. Lấy danh sách sản phẩm & giá sỉ
curl -X GET "https://henryupdate.io.vn/api/seller.php?action=products" \
  -H "Authorization: Bearer YOUR_TOKEN"

# 3. Mua 1 key sản phẩm (product_id = 1)
curl -X POST "https://henryupdate.io.vn/api/seller.php?action=buy" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"product_id": 1, "quantity": 1}'

<?php
$token = "YOUR_TOKEN";
$apiUrl = "https://henryupdate.io.vn/api/seller.php";

// Mua 1 key qua API (trừ số dư ví)
$ch = curl_init("$apiUrl?action=buy");
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        "Authorization: Bearer $token",
        "Content-Type: application/json"
    ],
    CURLOPT_POSTFIELDS => json_encode([
        "product_id" => 1,
        "quantity"   => 1
    ])
]);
$res = json_decode(curl_exec($ch), true);
curl_close($ch);

if ($res['success']) {
    echo "Key: " . $res['data']['key'];
    echo " | Số dư còn lại: " . $res['data']['balance_formatted'];
} else {
    echo "Lỗi: " . $res['message'];
}
?>

import requests

TOKEN = "YOUR_TOKEN"
API_URL = "https://henryupdate.io.vn/api/seller.php"
headers = {"Authorization": f"Bearer {TOKEN}"}

# Mua 1 key
payload = {"product_id": 1, "quantity": 1}
res = requests.post(f"{API_URL}?action=buy", json=payload, headers=headers).json()

if res.get("success"):
    print("Mã đơn:", res["data"]["order_code"])
    print("Key nhận được:", res["data"]["key"])
    print("Số dư mới:", res["data"]["balance_formatted"])
else:
    print("Lỗi:", res.get("message"))

const TOKEN = "YOUR_TOKEN";
const API_URL = "https://henryupdate.io.vn/api/seller.php";

async function buyKey(productId, qty = 1) {
  const res = await fetch(`${API_URL}?action=buy`, {
    method: "POST",
    headers: {
      "Authorization": `Bearer ${TOKEN}`,
      "Content-Type": "application/json"
    },
    body: JSON.stringify({ product_id: productId, quantity: qty })
  });
  const data = await res.json();
  if (data.success) {
    console.log("Key:", data.data.key);
    console.log("Số dư còn lại:", data.data.balance_formatted);
  } else {
    console.error("Lỗi:", data.message);
  }
}

buyKey(1);