diff --git a/composer.json b/composer.json
index 1010f1b..a91c7b9 100644
--- a/composer.json
+++ b/composer.json
@@ -3,8 +3,11 @@
   "description": "Chatwork SDK for Laravel",
   "type": "library",
   "require": {
-    "sun-asterisk/chatwork-php": "^0.1.1",
-    "illuminate/support": "^5.0"
+    "ext-json": "*",
+    "illuminate/http": "^5.0",
+    "illuminate/support": "^5.0",
+    "mockery/mockery": "^1.2",
+    "sun-asterisk/chatwork-php": "^0.1.1"
   },
   "require-dev": {
     "phpunit/phpunit": "^8.3"
diff --git a/src/ChatworkRequest.php b/src/ChatworkRequest.php
new file mode 100644
index 0000000..df71ac7
--- /dev/null
+++ b/src/ChatworkRequest.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace SunAsterisk\Chatwork\Laravel;
+
+use SunAsterisk\Chatwork\Helpers\Webhook;
+use Illuminate\Http\Request;
+
+class ChatworkRequest extends Request
+{
+    /**
+     * @return string
+     */
+    public function type()
+    {
+        $body = json_decode($this->getContent(), true);
+        return $body['webhook_event_type'];
+    }
+
+    /**
+     * @return string
+     */
+    public function id()
+    {
+        $body = json_decode($this->getContent(), true);
+        return $body['webhook_setting_id'];
+    }
+
+    /**
+     * @return int
+     */
+    public function timestamp()
+    {
+        $body = json_decode($this->getContent(), true);
+        return $body['webhook_event_time'];
+    }
+
+    /**
+     * @return array
+     */
+    public function event()
+    {
+        $body = json_decode($this->getContent(), true);
+        return $body['webhook_event'];
+    }
+
+    /**
+     * @param string $token
+     * @return bool
+     */
+    public function verifySignature(string $token)
+    {
+        $signature = $this->header('X-ChatWorkWebhookSignature');
+        $body = $this->getContent();
+        return Webhook::verifySignature($token, $body, $signature);
+    }
+}
diff --git a/tests/ChatworkRequestTest.php b/tests/ChatworkRequestTest.php
new file mode 100644
index 0000000..bbb3814
--- /dev/null
+++ b/tests/ChatworkRequestTest.php
@@ -0,0 +1,68 @@
+<?php
+
+use SunAsterisk\Chatwork\Laravel\ChatworkRequest;
+
+class ChatworkRequestTest extends TestCase
+{
+    /**
+     * @return ChatworkRequest
+     */
+    protected function getRequest()
+    {
+        $body = require "Fixtures/request.php";
+        $request = new ChatworkRequest([], [], [], [], [], [], $body);
+        return $request;
+    }
+
+    public function testType()
+    {
+        $except = "mention_to_me";
+        $request = $this->getRequest();
+        $type = $request->type();
+        $this->assertEquals($type, $except);
+    }
+
+    public function testId()
+    {
+        $except = 12345;
+        $request = $this->getRequest();
+        $id = $request->id();
+        $this->assertEquals($id, $except);
+    }
+
+    public function testTimestamp()
+    {
+        $except = 1498028130;
+        $request = $this->getRequest();
+        $timestamp = $request->timestamp();
+        $this->assertEquals($timestamp, $except);
+    }
+
+    public function testEvent()
+    {
+        $body = require "Fixtures/request.php";
+        $body = json_decode($body, true);
+        $except = $body['webhook_event'];
+        $request = $this->getRequest();
+        $event = $request->event();
+        $this->assertEquals($event, $except);
+    }
+
+    public function testVerifySignatureReturnTrue()
+    {
+        $token = 'test';
+        $signature = 'cJ9U13bNloO3GyDI4F2PSrSqSqjSndvyxLmaQSpkA1E=';
+        $request = $this->getRequest();
+        $request->headers->set('X-ChatWorkWebhookSignature', $signature);
+        $this->assertTrue($request->verifySignature($token));
+    }
+
+    public function testVerifySignatureReturnFalse()
+    {
+        $token = 'test';
+        $signature = 'test';
+        $request = $this->getRequest();
+        $request->headers->set('X-ChatWorkWebhookSignature', $signature);
+        $this->assertFalse($request->verifySignature($token));
+    }
+}
diff --git a/tests/Fixtures/request.php b/tests/Fixtures/request.php
new file mode 100644
index 0000000..5bff120
--- /dev/null
+++ b/tests/Fixtures/request.php
@@ -0,0 +1,18 @@
+<?php
+
+$body = [
+    "webhook_setting_id" => "12345",
+    "webhook_event_type" => "mention_to_me",
+    "webhook_event_time" => 1498028130,
+    "webhook_event" => [
+        "from_account_id" => 123456,
+        "to_account_id" => 1484814,
+        "room_id" => 567890123,
+        "message_id" => "789012345",
+        "body" => "[To=>1484814]Okazu là gì?",
+        "send_time" => 1498028125,
+        "update_time" => 0,
+    ],
+];
+
+return json_encode($body, true);
diff --git a/tests/TestCase.php b/tests/TestCase.php
new file mode 100644
index 0000000..b7502e7
--- /dev/null
+++ b/tests/TestCase.php
@@ -0,0 +1,8 @@
+<?php
+
+use PHPUnit\Framework\TestCase as BaseTestCase;
+
+class TestCase extends BaseTestCase
+{
+
+}