diff --git a/examples/server.php b/examples/custromString.php
similarity index 85%
rename from examples/server.php
rename to examples/custromString.php
index 375f8e3..a513daa 100644
--- a/examples/server.php
+++ b/examples/custromString.php
@@ -12,8 +12,6 @@
 include __DIR__ . '/../vendor/autoload.php';
 $requestBuilder = new JsonRpcRequestBuilder(new JsonSerializer());
 
-$input = new InputStream($requestBuilder);
-
 $input = new CustomStringInput(
     '[{"jsonrpc":"2.0", "method": "sampleMethod", "params":[], "id":1}, {"jsonrpc":"2.0", "method": "sampleMethod", "params":[]}]',
     $requestBuilder
@@ -27,10 +25,10 @@
 $handler->registerForMethod('sampleMethod', $sampleHandler);
 
 $server = new JsonRpcServer(
-    $handler,
-    new JsonRpcRequestBuilder(new JsonSerializer())
+    $handler
 );
 
 $response = $server->run($input);
 
-echo json_encode($response->serialize());
+header('ContentType: application/json');
+echo $response->serialize();
diff --git a/examples/postInput.php b/examples/postInput.php
new file mode 100644
index 0000000..b2d7e25
--- /dev/null
+++ b/examples/postInput.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+use DawidMazurek\JsonRpc\handler\MethodCallableHandler;
+use DawidMazurek\JsonRpc\io\InputStream;
+use DawidMazurek\JsonRpc\io\JsonSerializer;
+use DawidMazurek\JsonRpc\request\JsonRpcRequestBuilder;
+use DawidMazurek\JsonRpc\server\JsonRpcServer;
+
+include __DIR__ . '/../vendor/autoload.php';
+$requestBuilder = new JsonRpcRequestBuilder(new JsonSerializer());
+
+$input = new InputStream($requestBuilder);
+
+$sampleHandler =  function(array $params) {
+    return "called with params:" . json_encode($params);
+};
+
+$handler = new MethodCallableHandler();
+$handler->registerForMethod('sampleMethod', $sampleHandler);
+
+$server = new JsonRpcServer(
+    $handler
+);
+
+$response = $server->run($input);
+
+header('ContentType: application/json');
+echo $response->serialize();