diff --git a/assets/js/src/newsletter_editor/blocks/automatedLatestContent.js b/assets/js/src/newsletter_editor/blocks/automatedLatestContent.js
index 8c99698ee7..87835ac05a 100644
--- a/assets/js/src/newsletter_editor/blocks/automatedLatestContent.js
+++ b/assets/js/src/newsletter_editor/blocks/automatedLatestContent.js
@@ -51,9 +51,9 @@ define([
         blocks: blocks,
       }).then(_.partial(this.refreshBlocks, models));
     },
-    refreshBlocks: function(models, renderedBlocks) {
+    refreshBlocks: function(models, response) {
       _.each(
-        _.zip(models, renderedBlocks),
+        _.zip(models, response.data),
         function(args) {
           var model = args[0],
               contents = args[1];
@@ -217,17 +217,19 @@ define([
             };
           },
           transport: function(options, success, failure) {
-            var taxonomies,
-                promise = CommunicationComponent.getTaxonomies(that.model.get('contentType')).then(function(tax) {
-              taxonomies = tax;
+            var taxonomies;
+            var promise = CommunicationComponent.getTaxonomies(
+              that.model.get('contentType')
+            ).then(function(response) {
+              taxonomies = response.data;
               // Fetch available terms based on the list of taxonomies already fetched
               var promise = CommunicationComponent.getTerms({
                 search: options.data.term,
                 taxonomies: _.keys(taxonomies)
-              }).then(function(terms) {
+              }).then(function(response) {
                 return {
                   taxonomies: taxonomies,
-                  terms: terms,
+                  terms: response.data
                 };
               });
               return promise;
diff --git a/assets/js/src/newsletter_editor/blocks/posts.js b/assets/js/src/newsletter_editor/blocks/posts.js
index 3062e803d1..f14c32d984 100644
--- a/assets/js/src/newsletter_editor/blocks/posts.js
+++ b/assets/js/src/newsletter_editor/blocks/posts.js
@@ -108,8 +108,8 @@ define([
     },
     fetchAvailablePosts: function() {
       var that = this;
-      CommunicationComponent.getPosts(this.toJSON()).done(function(posts) {
-        that.get('_availablePosts').reset(posts);
+      CommunicationComponent.getPosts(this.toJSON()).done(function(response) {
+        that.get('_availablePosts').reset(response.data);
         that.get('_selectedPosts').reset(); // Empty out the collection
         that.trigger('change:_availablePosts');
       }).fail(function() {
@@ -127,8 +127,8 @@ define([
         return;
       }
 
-      CommunicationComponent.getTransformedPosts(data).done(function(posts) {
-        that.get('_transformedPosts').get('blocks').reset(posts, {parse: true});
+      CommunicationComponent.getTransformedPosts(data).done(function(response) {
+        that.get('_transformedPosts').get('blocks').reset(response.data, {parse: true});
       }).fail(function() {
         MailPoet.Notice.error(MailPoet.I18n.t('failedToFetchRenderedPosts'));
       });
@@ -143,8 +143,8 @@ define([
 
       if (data.posts.length === 0) return;
 
-      CommunicationComponent.getTransformedPosts(data).done(function(posts) {
-        collection.add(posts, { at: index });
+      CommunicationComponent.getTransformedPosts(data).done(function(response) {
+        collection.add(response.data, { at: index });
       }).fail(function() {
         MailPoet.Notice.error(MailPoet.I18n.t('failedToFetchRenderedPosts'));
       });
@@ -302,17 +302,19 @@ define([
             };
           },
           transport: function(options, success, failure) {
-            var taxonomies,
-                promise = CommunicationComponent.getTaxonomies(that.model.get('contentType')).then(function(tax) {
-              taxonomies = tax;
+            var taxonomies;
+            var promise = CommunicationComponent.getTaxonomies(
+              that.model.get('contentType')
+            ).then(function(response) {
+              taxonomies = response.data;
               // Fetch available terms based on the list of taxonomies already fetched
               var promise = CommunicationComponent.getTerms({
                 search: options.data.term,
                 taxonomies: _.keys(taxonomies)
-              }).then(function(terms) {
+              }).then(function(response) {
                 return {
                   taxonomies: taxonomies,
-                  terms: terms,
+                  terms: response.data
                 };
               });
               return promise;
diff --git a/assets/js/src/newsletter_editor/components/communication.js b/assets/js/src/newsletter_editor/components/communication.js
index 7792425f6e..439001f525 100644
--- a/assets/js/src/newsletter_editor/components/communication.js
+++ b/assets/js/src/newsletter_editor/components/communication.js
@@ -27,8 +27,8 @@ define([
     return Module._cachedQuery({
       action: 'getPostTypes',
       options: {},
-    }).then(function(types) {
-      return _.values(types);
+    }).then(function(response) {
+      return _.values(response.data);
     });
   };
 
diff --git a/lib/API/Endpoint.php b/lib/API/Endpoint.php
index 4cc419c481..874514f6ea 100644
--- a/lib/API/Endpoint.php
+++ b/lib/API/Endpoint.php
@@ -8,7 +8,6 @@ abstract class Endpoint {
   function successResponse(
     $data = array(), $meta = array(), $status = Response::STATUS_OK
   ) {
-
     return new SuccessResponse($data, $meta, $status);
   }
 
diff --git a/lib/API/Endpoints/AutomatedLatestContent.php b/lib/API/Endpoints/AutomatedLatestContent.php
index ffe9ee1bec..f866a91637 100644
--- a/lib/API/Endpoints/AutomatedLatestContent.php
+++ b/lib/API/Endpoints/AutomatedLatestContent.php
@@ -1,9 +1,11 @@
 <?php
 namespace MailPoet\API\Endpoints;
+use \MailPoet\API\Endpoint as APIEndpoint;
+use \MailPoet\API\Error as APIError;
 
 if(!defined('ABSPATH')) exit;
 
-class AutomatedLatestContent {
+class AutomatedLatestContent extends APIEndpoint {
   public $ALC;
 
   function __construct() {
@@ -11,46 +13,57 @@ class AutomatedLatestContent {
   }
 
   function getPostTypes() {
-    return get_post_types(array(), 'objects');
+    return $this->successResponse(
+      get_post_types(array(), 'objects')
+    );
   }
 
-  function getTaxonomies($args) {
-    $post_type = (isset($args['postType'])) ? $args['postType'] : 'post';
-    return get_object_taxonomies($post_type, 'objects');
+  function getTaxonomies($data = array()) {
+    $post_type = (isset($data['postType'])) ? $data['postType'] : 'post';
+    return $this->successResponse(
+      get_object_taxonomies($post_type, 'objects')
+    );
   }
 
-  function getTerms($args) {
-    $taxonomies = (isset($args['taxonomies'])) ? $args['taxonomies'] : array();
-    $search = (isset($args['search'])) ? $args['search'] : '';
-    $limit = (isset($args['limit'])) ? (int)$args['limit'] : 10;
-    $page = (isset($args['page'])) ? (int)$args['page'] : 1;
-    return get_terms(
-      $taxonomies,
-      array(
-        'hide_empty' => false,
-        'search' => $search,
-        'number' => $limit,
-        'offset' => $limit * ($page - 1)
+  function getTerms($data = array()) {
+    $taxonomies = (isset($data['taxonomies'])) ? $data['taxonomies'] : array();
+    $search = (isset($data['search'])) ? $data['search'] : '';
+    $limit = (isset($data['limit'])) ? (int)$data['limit'] : 10;
+    $page = (isset($data['page'])) ? (int)$data['page'] : 1;
+
+    return $this->successResponse(
+      get_terms(
+        $taxonomies,
+        array(
+          'hide_empty' => false,
+          'search' => $search,
+          'number' => $limit,
+          'offset' => $limit * ($page - 1)
+        )
       )
     );
   }
 
-  function getPosts($args) {
-    return $this->ALC->getPosts($args);
+  function getPosts($data = array()) {
+    return $this->successResponse(
+      $this->ALC->getPosts($data)
+    );
   }
 
-  function getTransformedPosts($args) {
-    $posts = $this->ALC->getPosts($args);
-    return $this->ALC->transformPosts($args, $posts);
+  function getTransformedPosts($data = array()) {
+    $posts = $this->ALC->getPosts($data);
+    return $this->successResponse(
+      $this->ALC->transformPosts($data, $posts)
+    );
   }
 
-  function getBulkTransformedPosts($args) {
+  function getBulkTransformedPosts($data = array()) {
     $alc = new \MailPoet\Newsletter\AutomatedLatestContent();
 
     $used_posts = array();
     $rendered_posts = array();
 
-    foreach($args['blocks'] as $block) {
+    foreach($data['blocks'] as $block) {
       $posts = $alc->getPosts($block, $used_posts);
       $rendered_posts[] = $alc->transformPosts($block, $posts);
 
@@ -59,6 +72,6 @@ class AutomatedLatestContent {
       }
     }
 
-    return $rendered_posts;
+    return $this->successResponse($rendered_posts);
   }
 }
diff --git a/lib/API/SuccessResponse.php b/lib/API/SuccessResponse.php
index 251774c173..35c2134741 100644
--- a/lib/API/SuccessResponse.php
+++ b/lib/API/SuccessResponse.php
@@ -12,12 +12,8 @@ class SuccessResponse extends Response {
   }
 
   function getData() {
-    if(empty($this->data)) {
-      return false;
-    } else {
-      return array(
-        'data' => $this->data
-      );
-    }
+    return array(
+      'data' => $this->data
+    );
   }
 }
\ No newline at end of file
diff --git a/tests/javascript/newsletter_editor/blocks/automatedLatestContent.spec.js b/tests/javascript/newsletter_editor/blocks/automatedLatestContent.spec.js
index 30baad156f..1b65febd1d 100644
--- a/tests/javascript/newsletter_editor/blocks/automatedLatestContent.spec.js
+++ b/tests/javascript/newsletter_editor/blocks/automatedLatestContent.spec.js
@@ -53,7 +53,7 @@ define([
       mock1.expects('trigger').once().withArgs('refreshPosts', postsSet1);
       mock2.expects('trigger').once().withArgs('refreshPosts', postsSet2);
 
-      model.refreshBlocks([block1, block2], [postsSet1, postsSet2]);
+      model.refreshBlocks([block1, block2], { data: [postsSet1, postsSet2] });
 
       mock1.verify();
       mock2.verify();
diff --git a/tests/javascript/newsletter_editor/components/communication.spec.js b/tests/javascript/newsletter_editor/components/communication.spec.js
index d1d423a247..a2549e7615 100644
--- a/tests/javascript/newsletter_editor/components/communication.spec.js
+++ b/tests/javascript/newsletter_editor/components/communication.spec.js
@@ -12,8 +12,10 @@ define([
               post: function() {
                 var deferred = jQuery.Deferred();
                 deferred.resolve({
-                  'post': 'val1',
-                  'page': 'val2',
+                  data: {
+                    'post': 'val1',
+                    'page': 'val2',
+                  }
                 });
                 return deferred;
               }