diff --git a/lib/API/JSON/v1/Newsletters.php b/lib/API/JSON/v1/Newsletters.php
index ba5158a4d4..55c6526ea0 100644
--- a/lib/API/JSON/v1/Newsletters.php
+++ b/lib/API/JSON/v1/Newsletters.php
@@ -143,8 +143,10 @@ class Newsletters extends APIEndpoint {
   }
 
   public function save($data = []) {
-    list($data, $meta) = $this->newsletterSaveController->save($data);
-    return $this->successResponse($data, $meta);
+    $newsletter = $this->newsletterSaveController->save($data);
+    $response = $this->newslettersResponseBuilder->build($newsletter);
+    $previewUrl = $this->getViewInBrowserUrl($newsletter);
+    return $this->successResponse($response, ['preview_url' => $previewUrl]);
   }
 
   public function setStatus($data = []) {
diff --git a/lib/Newsletter/NewsletterSaveController.php b/lib/Newsletter/NewsletterSaveController.php
index 8ef073b2e3..7eb52fb9ac 100644
--- a/lib/Newsletter/NewsletterSaveController.php
+++ b/lib/Newsletter/NewsletterSaveController.php
@@ -17,7 +17,6 @@ use MailPoet\Newsletter\Scheduler\PostNotificationScheduler;
 use MailPoet\Newsletter\Scheduler\Scheduler;
 use MailPoet\Newsletter\Segment\NewsletterSegmentRepository;
 use MailPoet\Newsletter\Sending\ScheduledTasksRepository;
-use MailPoet\Newsletter\Url as NewsletterUrl;
 use MailPoet\NewsletterTemplates\NewsletterTemplatesRepository;
 use MailPoet\NotFoundException;
 use MailPoet\Services\AuthorizedEmailsController;
@@ -92,7 +91,7 @@ class NewsletterSaveController {
     $this->wp = $wp;
   }
 
-  public function save(array $data = []): array {
+  public function save(array $data = []): NewsletterEntity {
     $data = $this->wp->applyFilters('mailpoet_api_newsletters_save_before', $data);
 
     if (!empty($data['template_id'])) {
@@ -132,9 +131,7 @@ class NewsletterSaveController {
 
     $this->wp->doAction('mailpoet_api_newsletters_save_after', $newsletterModel);
     $this->authorizedEmailsController->onNewsletterSenderAddressUpdate($newsletter, $oldSenderAddress);
-
-    $previewUrl = NewsletterUrl::getViewInBrowserUrl($newsletterModel);
-    return [$newsletterModel->asArray(), ['preview_url' => $previewUrl]];
+    return $newsletter;
   }
 
   private function getNewsletter(array $data): NewsletterEntity {