diff --git a/app/Http/Controllers/App/InventoryController.php b/app/Http/Controllers/App/InventoryController.php
index 92f7948..07955d9 100644
--- a/app/Http/Controllers/App/InventoryController.php
+++ b/app/Http/Controllers/App/InventoryController.php
@@ -23,7 +23,7 @@ public function __construct(
 
     public function index(Request $request)
     {
-        $products = Inventory::with(['category', 'price'])
+        $products = Inventory::with(['category', 'price'])->withCount('serials')
                 ->where('is_active', true);
 
 
@@ -46,7 +46,7 @@ public function index(Request $request)
     public function show(Inventory $inventario)
     {
         return ApiResponse::OK->response([
-            'model' => $inventario->load(['category', 'price'])
+            'model' => $inventario->load(['category', 'price'])->loadCount('serials')
         ]);
     }
 
diff --git a/app/Http/Controllers/App/InventorySerialController.php b/app/Http/Controllers/App/InventorySerialController.php
index 1cb91d8..b61a161 100644
--- a/app/Http/Controllers/App/InventorySerialController.php
+++ b/app/Http/Controllers/App/InventorySerialController.php
@@ -32,7 +32,7 @@ public function index(Inventory $inventario, Request $request)
             $query->where('serial_number', 'like', "%{$request->q}%");
         }
 
-        $serials = $query->orderBy('serial_number', 'ASC')
+        $serials = $query->orderBy('serial_number', 'ASC')->with('saleDetail.sale')
             ->paginate(config('app.pagination'));
 
         return ApiResponse::OK->response([
@@ -136,36 +136,4 @@ public function destroy(Inventory $inventario, InventorySerial $serial)
             'inventory' => $inventario->fresh(),
         ]);
     }
-
-    /**
-     * Importar múltiples seriales
-     */
-    public function bulkStore(Inventory $inventario, Request $request)
-    {
-        $request->validate([
-            'serial_numbers' => ['required', 'array', 'min:1'],
-            'serial_numbers.*' => ['required', 'string', 'unique:inventory_serials,serial_number'],
-        ]);
-
-        $created = [];
-
-        foreach ($request->serial_numbers as $serialNumber) {
-            $serial = InventorySerial::create([
-                'inventory_id' => $inventario->id,
-                'serial_number' => $serialNumber,
-                'status' => 'disponible',
-            ]);
-
-            $created[] = $serial;
-        }
-
-        // Sincronizar stock
-        $inventario->syncStock();
-
-        return ApiResponse::CREATED->response([
-            'serials' => $created,
-            'count' => count($created),
-            'inventory' => $inventario->fresh(),
-        ]);
-    }
 }
diff --git a/app/Http/Controllers/App/SaleController.php b/app/Http/Controllers/App/SaleController.php
index 5cbfa37..8d92b24 100644
--- a/app/Http/Controllers/App/SaleController.php
+++ b/app/Http/Controllers/App/SaleController.php
@@ -17,7 +17,7 @@ public function __construct(
 
     public function index(Request $request)
     {
-        $sales = Sale::with(['details.inventory', 'user', 'client'])
+        $sales = Sale::with(['details.inventory', 'details.serials', 'user', 'client'])
             ->orderBy('created_at', 'desc');
 
         if ($request->has('q') && $request->q) {
diff --git a/app/Models/Inventory.php b/app/Models/Inventory.php
index 58aac4e..697b911 100644
--- a/app/Models/Inventory.php
+++ b/app/Models/Inventory.php
@@ -28,6 +28,8 @@ class Inventory extends Model
         'is_active' => 'boolean',
     ];
 
+    protected $appends = ['has_serials'];
+
     public function category()
     {
         return $this->belongsTo(Category::class);
@@ -67,4 +69,9 @@ public function syncStock(): void
     {
         $this->update(['stock' => $this->getAvailableStockAttribute()]);
     }
+
+    public function getHasSerialsAttribute(): bool
+    {
+        return isset($this->attributes['serials_count']) && $this->attributes['serials_count'] > 0;
+    }
 }
diff --git a/routes/api.php b/routes/api.php
index 0a8f3a8..38b367d 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -35,9 +35,7 @@
     Route::get('inventario/template/download', [InventoryController::class, 'downloadTemplate']);
 
     // Números de serie
-    Route::resource('inventario.serials', InventorySerialController::class)
-        ->except(['create', 'edit']);
-    Route::post('inventario/{inventario}/serials/bulk', [InventorySerialController::class, 'bulkStore']);
+    Route::resource('inventario.serials', InventorySerialController::class);
 
     //CATEGORIAS
     Route::resource('categorias', CategoryController::class);