PHP & Laravel SDK

<?php
require_once __DIR__ . '/vendor/autoload.php';
 
use Kkhay\KkhayClient;
 
$kkhay = new KkhayClient([
    'api_key' => getenv('KKHAY_API_KEY'),
]);
 
$invoice = $kkhay->createInvoice([
    'amount'         => 75.00,
    'currency'       => 'USD',
    'pay_network'    => 'bsc',
    'pay_token'      => 'USDT',
    'order_id'       => 'PHP-ORDER-101',
    'title'          => 'Hosting Renewal',
    'customer_email' => 'client@company.com',
    'redirect_url'   => 'https://company.com/billing/success',
]);
 
header('Location: ' . $invoice['hosted_url']);
exit;

<?php
namespace App\Http\Controllers;
 
use Illuminate\Http\Request;
use Kkhay\KkhayWebhook;
 
class KkhayWebhookController extends Controller
{
    public function handle(Request $request)
    {
        $payload = $request->getContent();
        $signature = $request->header('x-kkhay-signature');
        $secret = config('services.kkhay.webhook_secret');
 
        if (!KkhayWebhook::verifySignature($payload, $signature, $secret)) {
            return response()->json(['error' => 'Invalid signature'], 400);
        }
 
        $event = json_decode($payload, true);
 
        if (in_array($event['event'], ['payment.finished', 'payment.paid'])) {
            // Update order status in database
            // $event['order_id'], $event['tx_hash']
        }
 
        return response()->json(['status' => 'success']);
    }
}