diff --git a/examples/before_send_retry.php b/examples/before_send_retry.php
new file mode 100644
index 0000000..fb8fb9b
--- /dev/null
+++ b/examples/before_send_retry.php
@@ -0,0 +1,26 @@
+<?php
+require __DIR__ . '/../vendor/autoload.php';
+
+use Curl\Curl;
+
+$max_retries = 3;
+
+$curl = new Curl();
+$curl->setRetry($max_retries);
+
+$curl->beforeSend(function ($instance) {
+    echo 'current attempts: ' . $instance->attempts . "\n";
+    echo 'current retries: ' . $instance->retries . "\n";
+    echo 'about to make request to ' . $instance->url . "\n";
+});
+
+$curl->get('https://httpbin.org/status/503');
+
+if ($curl->error) {
+    echo 'Error: ' . $curl->errorCode . ': ' . $curl->errorMessage . "\n";
+    echo 'final attempts: ' . $curl->attempts . "\n";
+    echo 'final retries: ' . $curl->retries . "\n";
+} else {
+    echo 'Response:' . "\n";
+    var_dump($curl->response);
+}
diff --git a/examples/multi_curl_before_send_retry.php b/examples/multi_curl_before_send_retry.php
new file mode 100644
index 0000000..f6b66b8
--- /dev/null
+++ b/examples/multi_curl_before_send_retry.php
@@ -0,0 +1,30 @@
+<?php
+require __DIR__ . '/../vendor/autoload.php';
+
+use Curl\MultiCurl;
+
+$max_retries = 3;
+
+$multi_curl = new MultiCurl();
+$multi_curl->setRetry($max_retries);
+
+$multi_curl->beforeSend(function ($instance) {
+    echo 'current attempts: ' . $instance->attempts . "\n";
+    echo 'current retries: ' . $instance->retries . "\n";
+    echo 'about to make request to ' . $instance->url . "\n";
+});
+
+$multi_curl->complete(function ($instance) {
+    if ($instance->error) {
+        echo 'Error: ' . $instance->errorCode . ': ' . $instance->errorMessage . "\n";
+        echo 'final attempts: ' . $instance->attempts . "\n";
+        echo 'final retries: ' . $instance->retries . "\n";
+    } else {
+        echo 'Response:' . "\n";
+        var_dump($instance->response);
+    }
+});
+
+$multi_curl->addGet('https://httpbin.org/status/503');
+
+$multi_curl->start();