diff --git a/app/Http/Controllers/Api/V2/ItemController.php b/app/Http/Controllers/Api/V2/ItemController.php
index d1206dfc7..bbb0e3959 100644
--- a/app/Http/Controllers/Api/V2/ItemController.php
+++ b/app/Http/Controllers/Api/V2/ItemController.php
@@ -17,14 +17,18 @@ public function show($id)
 
     public function index(Request $request)
     {
-        $size = $request->input('size', 15);
+        $validated = $request->validate([
+            'ids' => ['array'],
+            'ids.*' => ['required', 'string'],
+            'size' => ['integer'],
+        ]);
 
         $items = Item::with(['images', 'authorities'])
             ->when(
                 $request->filled('ids'),
-                fn ($query) => $query->whereIn('id', (array) $request->input('ids'))
+                fn ($query) => $query->whereIn('id', $validated['ids'])
             )
-            ->paginate($size);
+            ->paginate($validated['size'] ?? null);
 
         return ItemResource::collection($items);
     }
diff --git a/routes/api.php b/routes/api.php
index 5d380835f..596d20b99 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -69,7 +69,9 @@
         );
     });
 
-Route::prefix('v2')->group(function () {
-    Route::get('items/{id}', [V2ItemController::class, 'show']);
-    Route::get('items', [V2ItemController::class, 'index']);
-});
+Route::prefix('v2')
+    ->name('api.v2.')
+    ->group(function () {
+        Route::resource('items', V2ItemController::class)
+            ->only(['index', 'show']);
+    });
diff --git a/tests/Feature/Api/V2/ItemsTest.php b/tests/Feature/Api/V2/ItemsTest.php
index df3ef0e75..ac1dce529 100644
--- a/tests/Feature/Api/V2/ItemsTest.php
+++ b/tests/Feature/Api/V2/ItemsTest.php
@@ -15,7 +15,7 @@ class ItemsTest extends TestCase
     use RefreshDatabase;
     use WithoutSearchIndexing;
 
-    public function test_detail()
+    public function testShow()
     {
         $authority = Authority::factory()->create(['name' => 'Wouwerman, Philips']);
         $item_image = ItemImage::factory()->make(['iipimg_url' => 'test_iipimg_url']);
@@ -81,8 +81,7 @@ public function testIndex()
         $items = Item::factory()->count(3)->create();
         $response = $this->getJson('/api/v2/items');
 
-        $response->assertStatus(200);
-
+        $response->assertOk();
         $response->assertJsonCount(3, 'data');
         foreach ($items as $item) {
             $response->assertJsonFragment([
@@ -101,11 +100,13 @@ public function testIndexWithIds()
     {
         $items = Item::factory()->count(3)->create();
         $filtered = $items->random(2);
-        $response = $this->getJson('/api/v2/items?ids[]=' . $filtered->pluck('id')->implode('&ids[]='));
-
-        $response->assertStatus(200);
+        $url = route('api.v2.items.index', [
+            'ids' => $filtered->pluck('id')->toArray()
+        ]);
+        $response = $this->getJson($url);
 
-        $response->assertJsonCount(2, 'data');
+        $response->assertOk();
+        $response->assertJsonCount($filtered->count(), 'data');
         foreach ($filtered as $item) {
             $response->assertJsonFragment([
                 'id' => $item->id,
@@ -118,4 +119,15 @@ public function testIndexWithIds()
             ]);
         }
     }
+
+    public function testIndexWithInvalidIds()
+    {
+        $item = Item::factory()->create();
+        $url = route('api.v2.items.index', [
+            'ids' => $item->id,
+        ]);
+
+        $response = $this->getJson($url);
+        $response->assertUnprocessable();
+    }
 }