diff --git a/app/Services/Social/TikTokAnalytics.php b/app/Services/Social/TikTokAnalytics.php
index b8400526..bed0e830 100644
--- a/app/Services/Social/TikTokAnalytics.php
+++ b/app/Services/Social/TikTokAnalytics.php
@@ -152,10 +152,7 @@ private function fetchVideoMetrics(): array
 
     private function getHttpClient(): PendingRequest
     {
-        return $this->socialHttp()->withToken($this->accessToken)
-            ->withHeaders([
-                'Content-Type' => 'application/json; charset=UTF-8',
-            ]);
+        return $this->socialHttp()->asJson()->withToken($this->accessToken);
     }
 
     private function refreshToken(SocialAccount $account): void
diff --git a/app/Services/Social/TikTokPublisher.php b/app/Services/Social/TikTokPublisher.php
index e3c1ccda..4cc72f9f 100644
--- a/app/Services/Social/TikTokPublisher.php
+++ b/app/Services/Social/TikTokPublisher.php
@@ -60,10 +60,7 @@ public function publish(PostPlatform $postPlatform): array
 
     private function getHttpClient(): PendingRequest
     {
-        return $this->socialHttp()->withToken($this->accessToken)
-            ->withHeaders([
-                'Content-Type' => 'application/json; charset=UTF-8',
-            ]);
+        return $this->socialHttp()->asJson()->withToken($this->accessToken);
     }
 
     private function queryCreatorInfo(): array