diff --git a/app/Http/Controllers/Api/V4/ClaimController.php b/app/Http/Controllers/Api/V4/ClaimController.php
index f2e5fd2..08c2aa4 100644
--- a/app/Http/Controllers/Api/V4/ClaimController.php
+++ b/app/Http/Controllers/Api/V4/ClaimController.php
@@ -6,6 +6,7 @@ use App\Exceptions\Api\V4\CrmException;
 use App\Http\Controllers\Controller;
 use App\Http\Requests\Api\V4\SendClaimRequest;
 use App\Models\Claim;
+use App\Models\CustomerInfo;
 use App\Models\Service;
 use Illuminate\Support\Arr;
 use Uwil\LaravelCommon\Helpers\FileHelper;
@@ -24,7 +25,17 @@ class ClaimController extends Controller
     {
         $claimModel = (new Claim())->fill(Arr::except($request->validated(), 'file'));
         if ($request->filled('file')) {
-            $claimModel->file = FileHelper::storeBase64File('claim', $request->file, private: true);
+            $claimModel->file = FileHelper::storeBase64File(
+                tableName: 'claim',
+                fileBase64: $request->file,
+                private: true,
+            );
+        }
+
+        // Add customer relation if exist.
+        $crmCustomer = CustomerInfo::getFromEmail($claimModel->brand, $claimModel->email)->first();
+        if (!is_null($crmCustomer)) {
+            $claimModel->hashcode = $crmCustomer->hashcode;
         }
 
         if (!$claimModel->saveOrFail()) {
diff --git a/app/Http/Requests/Api/V4/SendClaimRequest.php b/app/Http/Requests/Api/V4/SendClaimRequest.php
index a6c232f..145aab7 100644
--- a/app/Http/Requests/Api/V4/SendClaimRequest.php
+++ b/app/Http/Requests/Api/V4/SendClaimRequest.php
@@ -82,7 +82,6 @@ class SendClaimRequest extends BaseApiRequest
             'message'     => 'required|string|min:3',
             'brand_id'    => 'required|integer|exists:brands,id',
             'subject_id'  => 'required|integer|exists:claim_subjects,id',
-            'hashcode'    => 'sometimes|nullable|string|size:36',
         ];
     }
 }