diff --git a/app/Http/Controllers/BillplzController.php b/app/Http/Controllers/BillplzController.php
index 443b6d8..8a154cf 100644
--- a/app/Http/Controllers/BillplzController.php
+++ b/app/Http/Controllers/BillplzController.php
@@ -11,23 +11,30 @@ class BillplzController extends Controller
 {
     public function __invoke(Request $request)
     {
-        $companyMapping = [
-            'PKB',
-            'KOPKB',
-        ];
 
-        $bills = array_reduce($companyMapping, function($carry, $company_code) use($request){
+	$billplz_ids = json_decode($request->bill_ids, true);
+
+	$account_own_by_PKB = array_filter($billplz_ids, fn($x) => $x['account_own_by'] == 'PKB');
+	$account_own_by_KOPKB = array_filter($billplz_ids, fn($x) => $x['account_own_by'] == 'KOOP');
+
+	$bill_ids_PKB = array_map(fn($x) => $x['bill_id'], $account_own_by_PKB);
+	$bill_ids_PKB = array_values($bill_ids_PKB);
+
+	$bill_ids_KOPKB = array_map(fn($x) => $x['bill_id'], $account_own_by_KOPKB);
+	$bill_ids_KOPKB = array_values($bill_ids_KOPKB);
+
+	$getBillDetailFromBillplz = function($company_code, $bill_ids) {
             $billplzService = new BillplzService($company_code);
-            $billIdArray = json_decode($request->bill_ids);
-            $billIdArray = $billplzService->getBills($billIdArray);
-            $carry[$company_code] = array_filter($billIdArray, function($bill) {
-                return $bill !== []; 
-            });
-            return $carry;
-        }, []);
-        
-        return $bills;
-        
-        
+            return $billplzService->getBills($bill_ids);
+	};
+
+	$billDetailsKOPKB = $getBillDetailFromBillplz('KOPKB', $bill_ids_KOPKB);
+	$billDetailsPKB = $getBillDetailFromBillplz('PKB', $bill_ids_PKB);
+
+	return [
+	    'KOPKB' => $billDetailsKOPKB,
+            'PKB' => $billDetailsPKB,
+	];
+
     }
 }