diff --git a/application/controllers/Unavailabilities.php b/application/controllers/Unavailabilities.php
new file mode 100644
index 00000000..dffa6b45
--- /dev/null
+++ b/application/controllers/Unavailabilities.php
@@ -0,0 +1,145 @@
+<?php defined('BASEPATH') or exit('No direct script access allowed');
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Open Source Web Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) 2013 - 2020, Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.0.0
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Unavailabilities controller.
+ *
+ * Handles the unavailabilities related operations.
+ *
+ * @package Controllers
+ */
+class Unavailabilities extends EA_Controller {
+    /**
+     * Unavailabilities constructor.
+     */
+    public function __construct()
+    {
+        parent::__construct();
+
+        $this->load->model('unavailabilities_model');
+        $this->load->model('roles_model');
+
+        $this->load->library('accounts');
+        $this->load->library('timezones');
+    }
+
+    /**
+     * Filter unavailabilities by the provided keyword.
+     */
+    public function search()
+    {
+        try
+        {
+            if (cannot('view', 'unavailabilities'))
+            {
+                show_error('Forbidden', 403);
+            }
+
+            $keyword = request('keyword', '');
+
+            $order_by = 'name ASC';
+
+            $limit = request('limit', 1000);
+            
+            $offset = 0;
+
+            $unavailabilities = $this->unavailabilities_model->search($keyword, $limit, $offset, $order_by);
+
+            json_response($unavailabilities);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+
+    /**
+     * Create a unavailability.
+     */
+    public function create()
+    {
+        try
+        {
+            $unavailability = json_decode(request('unavailability'), TRUE);
+
+            if (cannot('add', 'unavailabilities'))
+            {
+                show_error('Forbidden', 403);
+            }
+
+            $unavailability_id = $this->unavailabilities_model->save($unavailability);
+
+            json_response([
+                'success' => TRUE,
+                'id' => $unavailability_id
+            ]);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+
+    /**
+     * Update a unavailability.
+     */
+    public function update()
+    {
+        try
+        {
+            $unavailability = json_decode(request('unavailability'), TRUE);
+
+            if (cannot('edit', 'unavailabilities'))
+            {
+                show_error('Forbidden', 403);
+            }
+
+            $unavailability_id = $this->unavailabilities_model->save($unavailability);
+
+            json_response([
+                'success' => TRUE,
+                'id' => $unavailability_id
+            ]);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+
+    /**
+     * Remove a unavailability.
+     */
+    public function destroy()
+    {
+        try
+        {
+            if (cannot('delete', 'unavailabilities'))
+            {
+                show_error('Forbidden', 403);
+            }
+
+            $unavailability_id = request('unavailability_id');
+
+            $this->unavailabilities_model->delete($unavailability_id);
+
+            json_response([
+                'success' => TRUE,
+            ]);
+        }
+        catch (Throwable $e)
+        {
+            json_exception($e);
+        }
+    }
+}