Dokumentasi API GoPay Gateway

curl -X POST "http://localhost:8080/api/create_order.php" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: gpg_live_xxxxxxxxxxxx" \
  -d '{"amount":150000,"ref_id":"ORDER-001","description":"Pembelian Produk A","expired_minutes":15}'

fetch("http://localhost:8080/api/create_order.php", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": "gpg_live_xxxxxxxxxxxx"
  },
  body: JSON.stringify({
    amount: 150000,
    ref_id: "ORDER-001",
    description: "Pembelian Produk A",
    expired_minutes: 15
  })
}).then(r => r.json()).then(console.log);

<?php
$url = "http://localhost:8080/api/create_order.php";
$payload = json_encode([
  "amount"          => 150000,
  "ref_id"          => "ORDER-001",
  "description"     => "Pembelian Produk A",
  "expired_minutes" => 15
]);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
  "Content-Type: application/json",
  "X-API-Key: gpg_live_xxxxxxxxxxxx"
]);
$data = json_decode(curl_exec($ch), true);
curl_close($ch);
print_r($data);
?>

{
  "status":  "success",
  "code":    200,
  "message": "Order berhasil dibuat. Tampilkan QR kepada pelanggan.",
  "data": {
    "order_id":         "GPG-B2E8D1A3-20260701161500",  // simpan untuk polling status
    "transaction_id":   128,
    "ref_id":           "ORDER-001",
    "merchant_name":    "Lempeur Store",
    "amount":           150037,          // nominal akhir (sudah + suffix unik)
    "amount_formatted": "Rp 150.037",
    "qr_string":        "00020101021226...",  // QRIS dinamis
    "qr_url":           "https://api.qrserver.com/v1/create-qr-code/?size=300x300&data=...",
    "status":           "pending",
    "description":      "Pembelian Produk A",
    "expired_minutes":  15,
    "expires_at":       "2026-07-01 16:30:00",
    "created_at":       "2026-07-01 16:15:00"
  }
}

# Cek status biasa
curl -G "http://localhost:8080/api/check_status.php" \
  --data-urlencode "order_id=GPG-B2E8D1A3-20260701161500"

# Force sync sekarang
curl -G "http://localhost:8080/api/check_status.php" \
  --data-urlencode "order_id=GPG-B2E8D1A3-20260701161500" \
  -d "force=1"

// Polling otomatis setiap 5 detik
const orderId = "GPG-B2E8D1A3-20260701161500";
const baseUrl = "http://localhost:8080/api";

const poll = setInterval(async () => {
  const res  = await fetch(`${baseUrl}/check_status.php?order_id=${orderId}`);
  const data = await res.json();
  const status = data.data?.status;

  if (status === "paid") {
    clearInterval(poll);
    console.log("Pembayaran dikonfirmasi!", data.data.paid_at);
    // Lanjutkan proses pesanan di sini...
  } else if (["expired", "failed"].includes(status)) {
    clearInterval(poll);
    console.log("Order tidak aktif:", status);
  }
}, 5000);

<?php
$orderId  = "GPG-B2E8D1A3-20260701161500";
$url      = "http://localhost:8080/api/check_status.php?order_id=" . urlencode($orderId);
$response = file_get_contents($url);
$data     = json_decode($response, true);

if ($data['data']['status'] === 'paid') {
    echo "Pembayaran dikonfirmasi: " . $data['data']['paid_at'];
    // payment_ref_id berisi referensi order dari GoBiz
}
?>

{
  "status":  "success",
  "code":    200,
  "message": "Success",
  "data": {
    "order_id":         "GPG-B2E8D1A3-20260701161500",
    "merchant_name":    "Lempeur Store",
    "ref_id":           "ORDER-001",
    "amount":           150037,
    "amount_formatted": "Rp 150.037",
    "qr_string":        "00020101021226...",
    "qr_url":           "https://api.qrserver.com/...",
    "status":           "paid",        // pending | paid | expired | failed
    "description":      "Pembelian Produk A",
    "expired_minutes":  15,
    "expires_at":       "2026-07-01 16:30:00",
    "created_at":       "2026-07-01 16:15:00",
    "paid_at":          "2026-07-01 16:18:55"   // null jika belum dibayar
  }
}

curl -G "http://localhost:8080/api/get_transactions.php" \
  -H "X-API-Key: gpg_live_xxxxxxxxxxxx" \
  -d "status=paid&limit=20&page=1"

curl -X POST "http://localhost:8080/api/update_status.php" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: gpg_live_xxxxxxxxxxxx" \
  -d '{"order_id":"GPG-B2E8D1A3-20260701161500","status":"paid"}'

{
  "status":  "error",
  "code":    400,
  "message": "Pesan error spesifik di sini"
}