diff --git a/app/Containers/VikonIntegration/Actions/UpdatePartAction.php b/app/Containers/VikonIntegration/Actions/UpdatePartAction.php
index 05e42ab..5b3a08b 100644
--- a/app/Containers/VikonIntegration/Actions/UpdatePartAction.php
+++ b/app/Containers/VikonIntegration/Actions/UpdatePartAction.php
@@ -33,7 +33,7 @@ class UpdatePartAction
 
         // Step 1: Request generation
         $genResponse = $this->http->postWithToken(
-            'pull_updates/requestGeneratePartByNewCoreJson',
+            'pull_updates/generatePartByNewCoreJson',
             $accessToken,
             ['part' => $part]
         );
@@ -56,10 +56,9 @@ class UpdatePartAction
         }
 
         // Step 3: Check result
-        $checkResponse = $this->http->postWithToken(
-            'pull_updates/checkPartGenerationByNewCoreResultJson',
-            $accessToken,
-            ['operation_identity' => $operationIdentity, 'part' => $part]
+        $checkResponse = $this->http->getWithToken(
+            "pull_updates/checkPartGenerationByNewCoreResultJson?operation_identity={$operationIdentity}&part={$part}",
+            $accessToken
         );
         $checkBody = $checkResponse->json();
 
diff --git a/app/Containers/VikonIntegration/Tests/Unit/UpdatePartActionTest.php b/app/Containers/VikonIntegration/Tests/Unit/UpdatePartActionTest.php
index f36c340..3e1017b 100644
--- a/app/Containers/VikonIntegration/Tests/Unit/UpdatePartActionTest.php
+++ b/app/Containers/VikonIntegration/Tests/Unit/UpdatePartActionTest.php
@@ -74,7 +74,7 @@ class UpdatePartActionTest extends TestCase
 
         $http->shouldReceive('postWithToken')
             ->once()
-            ->with('pull_updates/requestGeneratePartByNewCoreJson', 'token', ['part' => 'common'])
+            ->with('pull_updates/generatePartByNewCoreJson', 'token', ['part' => 'common'])
             ->andReturn($this->mockResponse([
                 'operation_identity' => 'op-abc-123',
                 'ttl' => 60,
@@ -85,12 +85,9 @@ class UpdatePartActionTest extends TestCase
             ->with('op-abc-123', 'token')
             ->andReturn(['status' => 'completed']);
 
-        $http->shouldReceive('postWithToken')
+        $http->shouldReceive('getWithToken')
             ->once()
-            ->with('pull_updates/checkPartGenerationByNewCoreResultJson', 'token', [
-                'operation_identity' => 'op-abc-123',
-                'part' => 'common',
-            ])
+            ->with('pull_updates/checkPartGenerationByNewCoreResultJson?operation_identity=op-abc-123&part=common', 'token')
             ->andReturn($this->mockResponse(['success' => true]));
 
         // Create a minimal ZIP