diff --git a/vuesplash/app/Http/Controllers/Auth/LoginController.php b/vuesplash/app/Http/Controllers/Auth/LoginController.php
index b2ea669a..c5ad9c88 100644
--- a/vuesplash/app/Http/Controllers/Auth/LoginController.php
+++ b/vuesplash/app/Http/Controllers/Auth/LoginController.php
@@ -4,6 +4,7 @@
 
 use App\Http\Controllers\Controller;
 use Illuminate\Foundation\Auth\AuthenticatesUsers;
+use Illuminate\Http\Request; // ★ 追加
 
 class LoginController extends Controller
 {
@@ -36,4 +37,18 @@ public function __construct()
     {
         $this->middleware('guest')->except('logout');
     }
+
+    protected function authenticated(Request $request, $user)
+    {
+        return $user;
+    }
+
+    protected function loggedOut(Request $request)
+    {
+        // セッションを再生成する
+        $request->session()->regenerate();
+
+        return response()->json();
+    }
+
 }
diff --git a/vuesplash/app/Http/Controllers/Auth/RegisterController.php b/vuesplash/app/Http/Controllers/Auth/RegisterController.php
index 0e8d66aa..3b7369a0 100644
--- a/vuesplash/app/Http/Controllers/Auth/RegisterController.php
+++ b/vuesplash/app/Http/Controllers/Auth/RegisterController.php
@@ -7,6 +7,7 @@
 use Illuminate\Support\Facades\Hash;
 use Illuminate\Support\Facades\Validator;
 use Illuminate\Foundation\Auth\RegistersUsers;
+use Illuminate\Http\Request;
 
 class RegisterController extends Controller
 {
@@ -69,4 +70,9 @@ protected function create(array $data)
             'password' => Hash::make($data['password']),
         ]);
     }
+
+    protected function registered(Request $request, $user)
+    {
+        return $user;
+    }
 }
diff --git a/vuesplash/app/Providers/RouteServiceProvider.php b/vuesplash/app/Providers/RouteServiceProvider.php
index 5ea48d39..392bac2b 100644
--- a/vuesplash/app/Providers/RouteServiceProvider.php
+++ b/vuesplash/app/Providers/RouteServiceProvider.php
@@ -66,7 +66,7 @@ protected function mapWebRoutes()
     protected function mapApiRoutes()
     {
         Route::prefix('api')
-             ->middleware('api')
+             ->middleware('web')
              ->namespace($this->namespace)
              ->group(base_path('routes/api.php'));
     }
diff --git a/vuesplash/config/database.php b/vuesplash/config/database.php
index 22347a41..c40bbffb 100644
--- a/vuesplash/config/database.php
+++ b/vuesplash/config/database.php
@@ -40,6 +40,12 @@
             'foreign_key_constraints' => env('DB_FOREIGN_KEYS', true),
         ],
 
+        'sqlite_testing' => [
+            'driver' => 'sqlite',
+            'database' => ':memory:',
+            'prefix' => '',
+        ],
+
         'mysql' => [
             'driver' => 'mysql',
             'host' => env('DB_HOST', '127.0.0.1'),
diff --git a/vuesplash/phpunit.xml b/vuesplash/phpunit.xml
index 9566b67e..126fb2f2 100644
--- a/vuesplash/phpunit.xml
+++ b/vuesplash/phpunit.xml
@@ -24,6 +24,7 @@
     </filter>
     <php>
         <env name="APP_ENV" value="testing"/>
+        <env name="DB_CONNECTION" value="sqlite_testing"/>
         <env name="BCRYPT_ROUNDS" value="4"/>
         <env name="CACHE_DRIVER" value="array"/>
         <env name="MAIL_DRIVER" value="array"/>
diff --git a/vuesplash/routes/api.php b/vuesplash/routes/api.php
index c641ca5e..b3d2b858 100644
--- a/vuesplash/routes/api.php
+++ b/vuesplash/routes/api.php
@@ -16,3 +16,7 @@
 Route::middleware('auth:api')->get('/user', function (Request $request) {
     return $request->user();
 });
+Route::post('/register', 'Auth\RegisterController@register')->name('register');
+Route::post('/login', 'Auth\LoginController@login')->name('login');
+Route::post('/login', 'Auth\LoginController@login')->name('login');
+Route::post('/logout', 'Auth\LoginController@logout')->name('logout');
diff --git a/vuesplash/tests/Feature/LoginApiTest.php b/vuesplash/tests/Feature/LoginApiTest.php
new file mode 100644
index 00000000..f84a6add
--- /dev/null
+++ b/vuesplash/tests/Feature/LoginApiTest.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\User;
+use Tests\TestCase;
+use Illuminate\Foundation\Testing\WithFaker;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+
+class LoginApiTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function setUp()
+    {
+        parent::setUp();
+
+        // テストユーザー作成
+        $this->user = factory(User::class)->create();
+    }
+
+    /**
+     * @test
+     */
+    public function should_登録済みのユーザーを認証して返却する()
+    {
+        $response = $this->json('POST', route('login'), [
+            'email' => $this->user->email,
+            'password' => 'secret',
+        ]);
+
+        $response
+            ->assertStatus(200)
+            ->assertJson(['name' => $this->user->name]);
+
+        $this->assertAuthenticatedAs($this->user);
+    }
+}
\ No newline at end of file
diff --git a/vuesplash/tests/Feature/LogoutApiTest.php b/vuesplash/tests/Feature/LogoutApiTest.php
new file mode 100644
index 00000000..813f2b55
--- /dev/null
+++ b/vuesplash/tests/Feature/LogoutApiTest.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\User;
+use Tests\TestCase;
+use Illuminate\Foundation\Testing\WithFaker;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+
+class LogoutApiTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function setUp()
+    {
+        parent::setUp();
+
+        // テストユーザー作成
+        $this->user = factory(User::class)->create();
+    }
+
+    /**
+     * @test
+     */
+    public function should_認証済みのユーザーをログアウトさせる()
+    {
+        $response = $this->actingAs($this->user)
+                         ->json('POST', route('logout'));
+
+        $response->assertStatus(200);
+        $this->assertGuest();
+    }
+}
diff --git a/vuesplash/tests/Feature/RegisterApiTest.php b/vuesplash/tests/Feature/RegisterApiTest.php
new file mode 100644
index 00000000..b97cd7a8
--- /dev/null
+++ b/vuesplash/tests/Feature/RegisterApiTest.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\User;
+use Tests\TestCase;
+use Illuminate\Foundation\Testing\WithFaker;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+
+class RegisterApiTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /**
+     * @test
+     */
+    public function should_新しいユーザーを作成して返却する()
+    {
+        $data = [
+            'name' => 'vuesplash user',
+            'email' => 'dummy@email.com',
+            'password' => 'test1234',
+            'password_confirmation' => 'test1234',
+        ];
+
+        $response = $this->json('POST', route('register'), $data);
+
+        $user = User::first();
+        $this->assertEquals($data['name'], $user->name);
+
+        $response
+            ->assertStatus(201)
+            ->assertJson(['name' => $user->name]);
+    }
+}
\ No newline at end of file