diff --git a/backend/app/User/Controllers/GatewayManagementController.php b/backend/app/User/Controllers/GatewayManagementController.php
index 690d364e..d8ce7ce6 100644
--- a/backend/app/User/Controllers/GatewayManagementController.php
+++ b/backend/app/User/Controllers/GatewayManagementController.php
@@ -14,6 +14,7 @@ use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\DB;
+use Laravel\Passport\ClientRepository;
 use Throwable;
 
 class GatewayManagementController extends Controller
@@ -27,7 +28,7 @@ class GatewayManagementController extends Controller
             $request,
             allowedFilters: ['*'],
             allowedSortings: ['*'],
-            allowedSelects: ['id', 'name', 'domain', 'tax_id', 'bank_name', 'account_holder', 'iban', 'business_type_id', 'business_type_name'],
+            allowedSelects: ['*'],
         );
     }
 
@@ -38,9 +39,15 @@ class GatewayManagementController extends Controller
     {
         $user = Auth::guard('web')->user();
 
-        $logo = $request->has('logo') ? FileFacade::save($request->file('logo'), "{$user->id}") : null;
+        $logo = $request->hasFile('logo')
+            ? FileFacade::save($request->file('logo'), "{$user->id}")
+            : null;
+
+        $passportClient = DB::transaction(function () use ($user, $logo, $request) {
+
+            $clientName = "Gateway {$request->name} - User {$user->id}";
+            $client = app(ClientRepository::class)->createPasswordGrantClient($clientName, 'users');
 
-        DB::transaction(function () use ($user, $logo, $request) {
             UserGateway::query()->create([
                 'user_id' => $user->id,
                 'username' => $user->username,
@@ -53,15 +60,20 @@ class GatewayManagementController extends Controller
                 'business_type_id' => $request->business_type_id,
                 'business_type_name' => BusinessTypeEnum::name($request->business_type_id),
                 'logo' => $logo,
+                'client_id' => $client->id,
+                'client_secret' => $client->secret,
             ]);
 
             $user->update(['authority_level' => 1]);
+
+            return $client;
         });
 
-
-        return $this->successResponse();
+        return $this->successResponse([
+            'client_id' => $passportClient->id,
+            'client_secret' => $passportClient->secret,
+        ]);
     }
-
     public function show(UserGateway $gateway): JsonResponse
     {
         return $this->successResponse($gateway);
diff --git a/backend/database/migrations/2026_06_01_102551_add_client_credentials_to_user_gateways_table.php b/backend/database/migrations/2026_06_01_102551_add_client_credentials_to_user_gateways_table.php
new file mode 100644
index 00000000..db86590a
--- /dev/null
+++ b/backend/database/migrations/2026_06_01_102551_add_client_credentials_to_user_gateways_table.php
@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('user_gateways', function (Blueprint $table) {
+            $table->string('client_id')->nullable();
+            $table->string('client_secret')->nullable();
+            $table->integer('status')->default(0);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('user_gateways', function (Blueprint $table) {
+            $table->dropColumn(['client_id', 'client_secret','status']);
+        });
+    }
+};
diff --git a/backend/routes/expert.php b/backend/routes/expert.php
index 40a27bdd..79cbd0c2 100755
--- a/backend/routes/expert.php
+++ b/backend/routes/expert.php
@@ -77,7 +77,7 @@ Route::prefix('expert')
 
 Route::prefix('profile')
     ->name('profile.')
-    ->middleware('auth')
+    ->middleware('auth:expert')
     ->controller(ProfileController::class)
     ->group(function () {
         Route::get('info', 'info')->name('info');