diff --git a/backend/app/Domain/Usecases/AuthLogin/AuthLoginUseCase.php b/backend/app/Domain/Usecases/AuthLogin/AuthLoginUseCase.php
index 3e9619b..da672eb 100644
--- a/backend/app/Domain/Usecases/AuthLogin/AuthLoginUseCase.php
+++ b/backend/app/Domain/Usecases/AuthLogin/AuthLoginUseCase.php
@@ -2,6 +2,7 @@
 
 namespace App\Domain\Usecases\AuthLogin;
 
+use Illuminate\Http\Response;
 use App\Exceptions\JsonException;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Validator;
@@ -13,7 +14,7 @@ public function __construct()
     {
     }
 
-    public function handler(AuthLoginDto $dto): string
+    public function handler(AuthLoginDto $dto): Response
     {
         // mount credentials
         $credentials = ["username" => $dto->getUsername(), "password" => $dto->getPassword()];
@@ -43,7 +44,10 @@ public function handler(AuthLoginDto $dto): string
             ]);
         }
 
-        // return jwt token
-        return $token;
+        // return response with built-in token on cookie
+        $response = new Response(json_encode(auth()->user()));
+        return $response
+            ->withHeaders(['Cache-Control' => 'no-cache, private'])
+            ->withCookie(cookie("Authorization", $token, 60, null, null, false, true, false, null));
     }
 }
diff --git a/backend/app/Domain/Usecases/AuthRegister/AuthRegisterUseCase.php b/backend/app/Domain/Usecases/AuthRegister/AuthRegisterUseCase.php
index 82bacaa..b4324dd 100644
--- a/backend/app/Domain/Usecases/AuthRegister/AuthRegisterUseCase.php
+++ b/backend/app/Domain/Usecases/AuthRegister/AuthRegisterUseCase.php
@@ -5,19 +5,22 @@
 use App\Exceptions\JsonException;
 use Illuminate\Support\Facades\Validator;
 
-use App\Domain\Entities\UserEntity;
-use App\Domain\Repositories\ICreateUserRepository\ICreateUserDto;
+use Illuminate\Http\Response;
+use App\Domain\Usecases\AuthLogin\AuthLoginDto;
+use App\Domain\Usecases\AuthLogin\AuthLoginUseCase;
 use App\Domain\Usecases\AuthRegister\AuthRegisterDto;
+use App\Domain\Repositories\ICreateUserRepository\ICreateUserDto;
 use App\Domain\Repositories\ICreateUserRepository\ICreateUserRepository;
 
-
 class AuthRegisterUseCase
 {
-    public function __construct(private readonly ICreateUserRepository $createUserRepository)
-    {
+    public function __construct(
+        private readonly ICreateUserRepository $createUserRepository,
+        private readonly AuthLoginUseCase $authLoginUsecase,
+    ) {
     }
 
-    public function handler(AuthRegisterDto $dto): UserEntity
+    public function handler(AuthRegisterDto $dto): Response
     {
         // mount payload
         $payload = [
@@ -43,12 +46,18 @@ public function handler(AuthRegisterDto $dto): UserEntity
             ]);
         }
 
-        // create a new user and return it
-        return $this->createUserRepository->handler(new ICreateUserDto(
+        // create a new user on database
+        $this->createUserRepository->handler(new ICreateUserDto(
             array_merge($payload, [
                 "role" => "customer",
                 "balance" => 0
             ])
         ));
+
+        // return authenticated user to response
+        return $this->authLoginUsecase->handler(new AuthLoginDto([
+            "username" => $dto->getUsername(),
+            "password" => $dto->getPassword(),
+        ]));
     }
 }
diff --git a/backend/app/Http/Controllers/AuthLoginController.php b/backend/app/Http/Controllers/AuthLoginController.php
index b812f0b..2828342 100644
--- a/backend/app/Http/Controllers/AuthLoginController.php
+++ b/backend/app/Http/Controllers/AuthLoginController.php
@@ -4,7 +4,6 @@
 
 use Exception;
 use Illuminate\Http\Request;
-use Illuminate\Http\Response;
 use App\Http\Controllers\_Controller;
 use App\Domain\Usecases\AuthLogin\AuthLoginDto;
 use App\Domain\Usecases\AuthLogin\AuthLoginUseCase;
@@ -21,14 +20,10 @@ public function __construct()
     public function handler(Request $request)
     {
         try {
-            $token = $this->authLoginUsecase->handler(new AuthLoginDto([
+            return $this->authLoginUsecase->handler(new AuthLoginDto([
                 "username" => $request->input('username'),
                 "password" => $request->input('password'),
             ]));
-            $response = new Response(json_encode(auth()->user()));
-            return $response
-                ->withHeaders(['Cache-Control' => 'no-cache, private'])
-                ->withCookie(cookie("Authorization", $token, 60, null, null, false, true, false, null));
         } catch (Exception $error) {
             return response()->json(json_decode($error->getMessage()), 401);
         }
diff --git a/backend/app/Http/Controllers/AuthRegisterController.php b/backend/app/Http/Controllers/AuthRegisterController.php
index fcd9539..47b5c94 100644
--- a/backend/app/Http/Controllers/AuthRegisterController.php
+++ b/backend/app/Http/Controllers/AuthRegisterController.php
@@ -5,6 +5,7 @@
 use Exception;
 use Illuminate\Http\Request;
 use App\Http\Controllers\_Controller;
+use App\Domain\Usecases\AuthLogin\AuthLoginUseCase;
 use App\Domain\Usecases\AuthRegister\AuthRegisterDto;
 use App\Domain\Usecases\AuthRegister\AuthRegisterUseCase;
 use App\Infrastructure\Repositories\EloquentCreateUserRepository;
@@ -15,21 +16,20 @@ class AuthRegisterController extends _Controller
     public function __construct()
     {
         $this->authRegisterUsecase = new AuthRegisterUseCase(
-            new EloquentCreateUserRepository()
+            new EloquentCreateUserRepository(),
+            new AuthLoginUseCase()
         );
     }
 
     public function handler(Request $request)
     {
         try {
-            // execute registration usecase
-            $user = $this->authRegisterUsecase->handler(new AuthRegisterDto([
+            // execute registration usecase and return authenticated
+            return $this->authRegisterUsecase->handler(new AuthRegisterDto([
                 "email" => $request->input('email'),
                 "username" => $request->input('username'),
                 "password" => $request->input('password'),
             ]));
-            // return created user
-            return response()->json($user->toJson());
         } catch (Exception $error) {
             // return error message if something happens
             return response()->json(json_decode($error->getMessage()), 400);