diff --git a/examples/get_orderID.php b/examples/get_orderID.php
new file mode 100644
index 0000000..d90471f
--- /dev/null
+++ b/examples/get_orderID.php
@@ -0,0 +1,37 @@
+<?php
+// OrderID verification
+require __DIR__ . '/config/src/autoload.php';
+
+use BTCPayServer\Client\Invoice;
+
+function verifyOrderId($orderId) {
+    $apiKey = getenv('API_KEY'); //place your information here
+    $host = getenv('HOST');
+    $storeId = getenv('STORE_ID');
+
+    try {
+        $client = new Invoice($host, $apiKey);
+        $invoices = $client->getInvoicesByOrderIds($storeId, [$orderId]);
+
+        return !empty($invoices->getData()) ? $invoices->getData()[0] : null;
+    } catch (\Throwable $e) {
+        error_log($e->getMessage());
+        return null;
+    }
+}
+?>
+// Filter and retain essential information. it uses the POST method, when sending a form for example
+/*         if (isset($_POST['order_id'])) {
+    $orderId = filter_var($_POST['order_id'], FILTER_SANITIZE_STRING);
+    $isValid = verifyOrderId($orderId);
+
+    if ($isValid) {
+        // Extraction des informations de paiement
+        $price = $isValid['amount'];
+        $currency = $isValid['currency'];
+        $buyerEmail = filter_var($isValid['metadata']['buyer_email'], FILTER_SANITIZE_EMAIL);
+        $buyerUsername = filter_var($isValid['metadata']['buyer_username'], FILTER_SANITIZE_STRING);
+        $paymentId = $isValid['id'];
+        $invoiceTime = $isValid['createdTime'];
+        $name = $isValid['metadata']['itemCode'];}} */
+