PHP example

cURL

$payload = [
  "customer_mobile" => "9876543210",
  "user_token" => getenv("UPIBRIDGE_USER_TOKEN"),
  "amount" => "49.00",
  "order_id" => "ord_" . bin2hex(random_bytes(6)),
  "redirect_url" => "https://your-site.com/done",
  "remark1" => "php-example",
  "remark2" => ""
];
$ch = curl_init("https://upibridge.com/api/create-order");
curl_setopt_array($ch, [
  CURLOPT_POST => true,
  CURLOPT_HTTPHEADER => ["Content-Type: application/json"],
  CURLOPT_POSTFIELDS => json_encode($payload),
  CURLOPT_RETURNTRANSFER => true,
]);
$data = json_decode(curl_exec($ch), true);
$payUrl = $data["result"]["payment_url"] ?? null;

Redirect: header("Location: " . $payUrl); exit;

Popup: use JavaScript SDK in template.

Confirm with webhooks.