diff --git a/mailpoet/lib/API/JSON/v1/Newsletters.php b/mailpoet/lib/API/JSON/v1/Newsletters.php
index f4e084da2e..d8dbec1506 100644
--- a/mailpoet/lib/API/JSON/v1/Newsletters.php
+++ b/mailpoet/lib/API/JSON/v1/Newsletters.php
@@ -163,6 +163,8 @@ class Newsletters extends APIEndpoint {
     $newsletter = $this->newsletterSaveController->save($data);
     $response = $this->newslettersResponseBuilder->build($newsletter, [
       NewslettersResponseBuilder::RELATION_SEGMENTS,
+      NewslettersResponseBuilder::RELATION_OPTIONS,
+      NewslettersResponseBuilder::RELATION_QUEUE,
     ]);
     $previewUrl = $this->getViewInBrowserUrl($newsletter);
     $response = $this->wp->applyFilters('mailpoet_api_newsletters_save_after', $response);
@@ -237,7 +239,11 @@ class Newsletters extends APIEndpoint {
     $this->newslettersRepository->flush();
 
     return $this->successResponse(
-      $this->newslettersResponseBuilder->build($newsletter)
+      $this->newslettersResponseBuilder->build($newsletter, [
+        NewslettersResponseBuilder::RELATION_SEGMENTS,
+        NewslettersResponseBuilder::RELATION_OPTIONS,
+        NewslettersResponseBuilder::RELATION_QUEUE,
+      ])
     );
   }
 
@@ -247,7 +253,11 @@ class Newsletters extends APIEndpoint {
       $this->newslettersRepository->bulkRestore([$newsletter->getId()]);
       $this->newslettersRepository->refresh($newsletter);
       return $this->successResponse(
-        $this->newslettersResponseBuilder->build($newsletter),
+        $this->newslettersResponseBuilder->build($newsletter, [
+          NewslettersResponseBuilder::RELATION_SEGMENTS,
+          NewslettersResponseBuilder::RELATION_OPTIONS,
+          NewslettersResponseBuilder::RELATION_QUEUE,
+        ]),
         ['count' => 1]
       );
     } else {
@@ -263,7 +273,11 @@ class Newsletters extends APIEndpoint {
       $this->newslettersRepository->bulkTrash([$newsletter->getId()]);
       $this->newslettersRepository->refresh($newsletter);
       return $this->successResponse(
-        $this->newslettersResponseBuilder->build($newsletter),
+        $this->newslettersResponseBuilder->build($newsletter, [
+          NewslettersResponseBuilder::RELATION_SEGMENTS,
+          NewslettersResponseBuilder::RELATION_OPTIONS,
+          NewslettersResponseBuilder::RELATION_QUEUE,
+        ]),
         ['count' => 1]
       );
     } else {
@@ -294,7 +308,11 @@ class Newsletters extends APIEndpoint {
       $duplicate = $this->newsletterSaveController->duplicate($newsletter);
       $this->wp->doAction('mailpoet_api_newsletters_duplicate_after', $newsletter, $duplicate);
       return $this->successResponse(
-        $this->newslettersResponseBuilder->build($duplicate),
+        $this->newslettersResponseBuilder->build($duplicate, [
+          NewslettersResponseBuilder::RELATION_SEGMENTS,
+          NewslettersResponseBuilder::RELATION_OPTIONS,
+          NewslettersResponseBuilder::RELATION_QUEUE,
+        ]),
         ['count' => 1]
       );
     } else {
diff --git a/mailpoet/tests/integration/API/JSON/v1/NewslettersTest.php b/mailpoet/tests/integration/API/JSON/v1/NewslettersTest.php
index a76b7cfe22..d05faf005c 100644
--- a/mailpoet/tests/integration/API/JSON/v1/NewslettersTest.php
+++ b/mailpoet/tests/integration/API/JSON/v1/NewslettersTest.php
@@ -201,7 +201,13 @@ class NewslettersTest extends \MailPoetTest {
     verify($response->status)->equals(APIResponse::STATUS_OK);
     $updatedNewsletter = $this->newsletterRepository->findOneById($this->newsletter->getId());
     $this->assertInstanceOf(NewsletterEntity::class, $updatedNewsletter); // PHPStan
-    verify($response->data)->equals($this->newslettersResponseBuilder->build($updatedNewsletter, [NewslettersResponseBuilder::RELATION_SEGMENTS]));
+    verify($response->data)->equals(
+      $this->newslettersResponseBuilder->build($updatedNewsletter, [
+        NewslettersResponseBuilder::RELATION_SEGMENTS,
+        NewslettersResponseBuilder::RELATION_OPTIONS,
+        NewslettersResponseBuilder::RELATION_QUEUE,
+      ])
+    );
     verify($updatedNewsletter->getType())->equals('Updated type');
     verify($updatedNewsletter->getSubject())->equals('Updated subject');
     verify($updatedNewsletter->getPreheader())->equals('Updated preheader');
@@ -347,7 +353,13 @@ class NewslettersTest extends \MailPoetTest {
     verify($response->status)->equals(APIResponse::STATUS_OK);
     $newsletter = $this->newsletterRepository->findOneById($this->newsletter->getId());
     $this->assertInstanceOf(NewsletterEntity::class, $newsletter);
-    verify($response->data)->equals($this->newslettersResponseBuilder->build($newsletter));
+    verify($response->data)->equals(
+      $this->newslettersResponseBuilder->build($newsletter, [
+        NewslettersResponseBuilder::RELATION_SEGMENTS,
+        NewslettersResponseBuilder::RELATION_OPTIONS,
+        NewslettersResponseBuilder::RELATION_QUEUE,
+      ])
+    );
     verify($response->data['deleted_at'])->null();
     verify($response->meta['count'])->equals(1);
   }
@@ -357,7 +369,13 @@ class NewslettersTest extends \MailPoetTest {
     verify($response->status)->equals(APIResponse::STATUS_OK);
     $newsletter = $this->newsletterRepository->findOneById($this->newsletter->getId());
     $this->assertInstanceOf(NewsletterEntity::class, $newsletter);
-    verify($response->data)->equals($this->newslettersResponseBuilder->build($newsletter));
+    verify($response->data)->equals(
+      $this->newslettersResponseBuilder->build($newsletter, [
+        NewslettersResponseBuilder::RELATION_SEGMENTS,
+        NewslettersResponseBuilder::RELATION_OPTIONS,
+        NewslettersResponseBuilder::RELATION_QUEUE,
+      ])
+    );
     verify($response->data['deleted_at'])->notNull();
     verify($response->meta['count'])->equals(1);
   }
@@ -382,7 +400,13 @@ class NewslettersTest extends \MailPoetTest {
     verify($response->status)->equals(APIResponse::STATUS_OK);
     $newsletterCopy = $this->newsletterRepository->findOneBy(['subject' => 'Copy of My Standard Newsletter']);
     $this->assertInstanceOf(NewsletterEntity::class, $newsletterCopy);
-    verify($response->data)->equals($this->newslettersResponseBuilder->build($newsletterCopy));
+    verify($response->data)->equals(
+      $this->newslettersResponseBuilder->build($newsletterCopy, [
+        NewslettersResponseBuilder::RELATION_SEGMENTS,
+        NewslettersResponseBuilder::RELATION_OPTIONS,
+        NewslettersResponseBuilder::RELATION_QUEUE,
+      ])
+    );
     verify($response->meta['count'])->equals(1);
 
     $hookName = 'mailpoet_api_newsletters_duplicate_after';
@@ -393,7 +417,13 @@ class NewslettersTest extends \MailPoetTest {
     verify($response->status)->equals(APIResponse::STATUS_OK);
     $newsletterCopy = $this->newsletterRepository->findOneBy(['subject' => 'Copy of My Post Notification']);
     $this->assertInstanceOf(NewsletterEntity::class, $newsletterCopy);
-    verify($response->data)->equals($this->newslettersResponseBuilder->build($newsletterCopy));
+    verify($response->data)->equals(
+      $this->newslettersResponseBuilder->build($newsletterCopy, [
+        NewslettersResponseBuilder::RELATION_SEGMENTS,
+        NewslettersResponseBuilder::RELATION_OPTIONS,
+        NewslettersResponseBuilder::RELATION_QUEUE,
+      ])
+    );
     verify($response->meta['count'])->equals(1);
   }