diff --git a/headless.module b/headless.module
index bad0b1d..6e7d5b9 100644
--- a/headless.module
+++ b/headless.module
@@ -9,75 +9,79 @@
  * Implements hook_menu().
  */
 function headless_menu() {
-  $items = array();
+  $items = [];
   // Return JSON for individual nodes.
-  $items['api/node/%/%'] = array(
+  $items['api/node/%/%'] = [
     'page callback' => 'headless_type',
     'access callback' => TRUE,
-    'page arguments' => array(2, 3),
-  );
-  $items['api/v2/node/%/%'] = array(
+    'page arguments' => [2, 3],
+  ];
+  $items['api/v2/node/%/%'] = [
     'page callback' => 'headless_type_v2',
     'access callback' => TRUE,
-    'page arguments' => array(3, 4),
-  );
+    'page arguments' => [3, 4],
+    'file' => 'includes/headless.v2.inc',
+  ];
   // Return JSON for individual terms.
-  $items['api/%/term/%'] = array(
+  $items['api/%/term/%'] = [
     'page callback' => 'headless_term_item',
     'access callback' => TRUE,
-    'page arguments' => array(1, 3),
-  );
-  $items['api/views/%'] = array(
+    'page arguments' => [1, 3],
+  ];
+  $items['api/views/%'] = [
     'page callback' => 'headless_views',
     'access callback' => TRUE,
-    'page arguments' => array(2),
-  );
-  $items['api/v2/views/%/%'] = array(
+    'page arguments' => [2],
+  ];
+  $items['api/v2/views/%/%'] = [
     'page callback' => 'headless_views_v2',
     'access callback' => TRUE,
-    'page arguments' => array(3, 4),
-  );
+    'page arguments' => [3, 4],
+    'file' => 'includes/headless.v2.inc',
+  ];
   if (module_exists('paragraphs')) {
     // Return json for individual paragraphs.
-    $items['api/paragraphs/%/%'] = array(
+    $items['api/paragraphs/%/%'] = [
       'page callback' => 'headless_paragraphs_item',
       'access callback' => TRUE,
-      'page arguments' => array(2, 3),
-    );
-    $items['api/v2/paragraphs/%/%'] = array(
+      'page arguments' => [2, 3],
+    ];
+    $items['api/v2/paragraphs/%/%'] = [
       'page callback' => 'headless_paragraphs_item_v2',
       'access callback' => TRUE,
-      'page arguments' => array(3, 4),
-    );
-    $items['api/v3/paragraphs/%'] = array(
+      'page arguments' => [3, 4],
+      'file' => 'includes/headless.v2.inc',
+    ];
+    $items['api/v3/paragraphs/%'] = [
       'page callback' => 'headless_paragraphs_item_v3',
       'access callback' => TRUE,
-      'page arguments' => array(3),
-    );
+      'page arguments' => [3],
+      'file' => 'includes/headless.v3.inc',
+    ];
   }
-  $items['api/blocks/%'] = array(
+  $items['api/blocks/%'] = [
     'page callback' => 'headless_blocks',
     'access callback' => TRUE,
-    'page arguments' => array(2),
-  );
-  $items['admin/config/services/headless'] = array(
+    'page arguments' => [2],
+  ];
+  $items['admin/config/services/headless'] = [
     'title' => 'Headless settings',
     'description' => 'Configure the entity types you wish to expose as json endpoints.',
     'page callback' => 'backdrop_get_form',
-    'page arguments' => array('headless_settings_form'),
-    'access arguments' => array('administer site configuration'),
+    'page arguments' => ['headless_settings_form'],
+    'access arguments' => ['administer site configuration'],
     'file' => 'includes/headless.admin.inc',
-  );
+  ];
 
   // Router: allow API queries via string paths.
-  $items['api/router/%'] = array(
+  $items['api/router/%'] = [
     'title' => 'Headless router',
     'description' => 'Allow queries via string like /api/my-node-title',
     'page callback' => 'headless_router',
-    'page arguments' => array(2),
+    'page arguments' => [2],
     'access callback' => TRUE,
     'file' => 'includes/headless.router.inc',
-  );
+  ];
 
   return $items;
 }
@@ -108,31 +112,6 @@ function headless_type($type, $nid) {
   }
 }
 
-/**
- * Page callback for node types v2.
- */
-function headless_type_v2($type, $nid) {
-  // Check if the JSON output is enabled for the selected type.
-  $config = config_get('headless.settings', 'node');
-  if ($config[$type] != 1) {
-    $json_error = ['code' => 404];
-    backdrop_json_output($json_error);
-    backdrop_exit();
-  }
-  // Load the requested node and check to see if types match or not.
-  $requested_node = node_load($nid);
-  if ($requested_node->type == $type) {
-    $my_json = node_view($requested_node);
-    backdrop_json_output($my_json);
-    backdrop_exit();
-  }
-  else {
-    $json_error = ['code' => 404];
-    backdrop_json_output($json_error);
-    backdrop_exit();
-  }
-}
-
 /**
  * Page callback for terms.
  */
@@ -170,32 +149,6 @@ function headless_views($view) {
   backdrop_exit();
 }
 
-/**
- * Page callback for views v2.
- */
-function headless_views_v2($view, $display_id) {
-  $args = func_get_args();
-  $config = config_get('headless.settings', 'views');
-  if ($config[$view] != 1) {
-    $json_error = ['code' => 404];
-    backdrop_json_output($json_error);
-    backdrop_exit();
-  }
-  $return = _views_get_view_result($view, $display_id, $args);
-
-  $my_json = [
-    'results' => $return['results'],
-    'total_items' => $return['total_items'],
-    'items_per_page' => $return['items_per_page'],
-    'total_pages' =>
-      (isset($return['items_per_page'])) ? ceil($return['total_items'] / $return['items_per_page']) : NULL,
-    'current_page' => $return['current_page'],
-  ];
-  backdrop_json_output($my_json);
-  json_last_error_msg();
-  backdrop_exit();
-}
-
 /**
  * Page callback for paragraph types.
  */
@@ -211,36 +164,6 @@ function headless_paragraphs_item($type, $entity_id) {
   backdrop_exit();
 }
 
-/**
- * Page callback for paragraph types v2.
- */
-function headless_paragraphs_item_v2($type, $entity_id) {
-  $config = config_get('headless.settings', 'paragraphs');
-  if ($config[$type] != 1) {
-    $json_error = ['code' => 404];
-    backdrop_json_output($json_error);
-    backdrop_exit();
-  }
-  $result = paragraphs_item_load($entity_id)->view();
-  backdrop_json_output($result);
-  backdrop_exit();
-}
-
-/**
- * Page callback for paragraph types v3.
- */
-function headless_paragraphs_item_v3($entity_id) {
-  $config = config_get('headless.settings', 'paragraphs');
-  $p = paragraphs_item_load($entity_id);
-  if ($config[$p->bundle] != 1) {
-    $json_error = ['code' => 404];
-    backdrop_json_output($json_error);
-    backdrop_exit();
-  }
-  $result = $p->view();
-  backdrop_json_output($result);
-  backdrop_exit();
-}
 /**
  * Page callback for blocks.
  *
@@ -273,7 +196,7 @@ function _views_get_view_result($name, $display_id = NULL, $args = NULL) {
   }
 
   $view = views_get_view($name);
-  $return = array();
+  $return = [];
   if (is_object($view)) {
     if (is_array($args)) {
       $view->set_arguments($args);
@@ -298,6 +221,6 @@ function _views_get_view_result($name, $display_id = NULL, $args = NULL) {
     return $return;
   }
   else {
-    return array();
+    return [];
   }
 }
diff --git a/includes/headless.v2.inc b/includes/headless.v2.inc
new file mode 100644
index 0000000..e5726f8
--- /dev/null
+++ b/includes/headless.v2.inc
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * @file
+ * V2 functions for Headless module.
+ */
+
+/**
+ * Page callback for node types v2.
+ */
+function headless_type_v2($type, $nid) {
+  // Check if the JSON output is enabled for the selected type.
+  $config = config_get('headless.settings', 'node');
+  if ($config[$type] != 1) {
+    $json_error = ['code' => 404];
+    backdrop_json_output($json_error);
+    backdrop_exit();
+  }
+  // Load the requested node and check to see if types match or not.
+  $requested_node = node_load($nid);
+  if ($requested_node->type == $type) {
+    $my_json = node_view($requested_node);
+    backdrop_json_output($my_json);
+    backdrop_exit();
+  }
+  else {
+    $json_error = ['code' => 404];
+    backdrop_json_output($json_error);
+    backdrop_exit();
+  }
+}
+
+/**
+ * Page callback for views v2.
+ */
+function headless_views_v2($view, $display_id) {
+  $args = func_get_args();
+  $config = config_get('headless.settings', 'views');
+  if ($config[$view] != 1) {
+    $json_error = ['code' => 404];
+    backdrop_json_output($json_error);
+    backdrop_exit();
+  }
+  $return = _views_get_view_result($view, $display_id, $args);
+
+  $my_json = [
+    'results' => $return['results'],
+    'total_items' => $return['total_items'],
+    'items_per_page' => $return['items_per_page'],
+    'total_pages' => (isset($return['items_per_page'])) ? ceil($return['total_items'] / $return['items_per_page']) : NULL,
+    'current_page' => $return['current_page'],
+  ];
+  backdrop_json_output($my_json);
+  json_last_error_msg();
+  backdrop_exit();
+}
+
+/**
+ * Page callback for paragraph types v2.
+ */
+function headless_paragraphs_item_v2($type, $entity_id) {
+  $config = config_get('headless.settings', 'paragraphs');
+  if ($config[$type] != 1) {
+    $json_error = ['code' => 404];
+    backdrop_json_output($json_error);
+    backdrop_exit();
+  }
+  $result = paragraphs_item_load($entity_id)->view();
+  backdrop_json_output($result);
+  backdrop_exit();
+}
diff --git a/includes/headless.v3.inc b/includes/headless.v3.inc
new file mode 100644
index 0000000..426fb73
--- /dev/null
+++ b/includes/headless.v3.inc
@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * @file
+ * V3 functions for Headless module.
+ */
+
+
+/**
+ * Page callback for paragraph types v3.
+ */
+function headless_paragraphs_item_v3($entity_id) {
+  $config = config_get('headless.settings', 'paragraphs');
+  $p = paragraphs_item_load($entity_id);
+  if ($config[$p->bundle] != 1) {
+    $json_error = ['code' => 404];
+    backdrop_json_output($json_error);
+    backdrop_exit();
+  }
+  $result = $p->view();
+  backdrop_json_output($result);
+  backdrop_exit();
+}