diff --git a/.gitignore b/.gitignore
index 3f19c74..16990f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,4 @@
 # Ignore vendor lib
 vendor
 node_modules
-dist
+dist
\ No newline at end of file
diff --git a/README.md b/README.md
index 6c215b2..ba16679 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,67 @@ if ( class_exists( '\Develtio\WP\Forms\Modules\Forms\CreateForm' ) ) {
 }
 ```
 
+## Use with AJAX ##
+We use the Nette From library to building the forms (https://doc.nette.org/en/3.0/forms)
+
+Example
+```php
+if ( class_exists( '\Develtio\WP\Forms\Modules\Forms\CreateForm' ) ) {
+    $options = [ 
+            'send_mail' => false, // enables / disables sending an email, enabled by default
+            'send_confirm_mail' => false, // enables / disables sending of confirmation email, disabled by default
+            'rest_api' => true, // enables / disables WP REST API endpoint for form
+            'create_cpt' => false, // enables / disables creation of CPT
+    ];
+
+        $instance = new \Develtio\WP\Forms\Modules\Forms\CreateForm('StepFirst', $options);
+        $instance->form->addText('client_id')
+            ->addRule($instance->form::REQUIRED, '<b>%name</b> is required');
+
+        $instance->form->addText('client_vat')
+            ->addRule($instance->form::REQUIRED, '<b>%name</b> is required');
+
+        $instance->form->addText('client_phone')
+            ->addRule($instance->form::REQUIRED, '<b>%name</b> is required')
+            ->addRule($instance->form::MAX_LENGTH, "<b>%name</b> shoud be not longer than 12 numbers', 12 ");
+
+        $instance->save();
+}
+```
+
+
+## Use with AJAX and Custom Handler ##
+We use the Nette From library to building the forms (https://doc.nette.org/en/3.0/forms)
+
+Example
+```php
+if ( class_exists( '\Develtio\WP\Forms\Modules\Forms\CreateForm' ) ) {
+    $options = [ 
+            'send_mail' => false, // enables / disables sending an email, enabled by default
+            'send_confirm_mail' => false, // enables / disables sending of confirmation email, disabled by default
+            'rest_api' => true, // enables / disables WP REST API endpoint for form
+            'create_cpt' => false, // enables / disables creation of CPT
+            'custom_handler' => [
+                'StepFirstHandleRequest',
+                plugin_dir_path(dirname(__FILE__)) . '/handlers/'
+            ]
+    ];
+
+        $instance = new \Develtio\WP\Forms\Modules\Forms\CreateForm('Step1', $options);
+        $instance->form->addText('client_id')
+            ->addRule($instance->form::REQUIRED, '<b>%name</b> is required');
+
+        $instance->form->addText('client_vat')
+            ->addRule($instance->form::REQUIRED, '<b>%name</b> is required');
+
+        $instance->form->addText('client_phone')
+            ->addRule($instance->form::REQUIRED, '<b>%name</b> is required')
+            ->addRule($instance->form::MAX_LENGTH, "<b>%name</b> shoud be not longer than 12 numbers', 12 ");
+
+        $instance->save();
+}
+```
+
 ## Templates ##
 
 ##### Form template #####
diff --git a/composer.json b/composer.json
deleted file mode 100644
index 9adb1d5..0000000
--- a/composer.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-    "name": "develtio/develtio-wp-forms",
-    "description": "Make forms doable",
-    "type": "wordpress-muplugin",
-    "license": "MIT",
-    "keywords": ["wordpress", "plugin", "forms", "nette"],
-    "homepage": "https://develtio.com",
-    "require": {
-        "composer/installers": "~1.0",
-        "nette/forms": "^3.0"
-    },
-    "authors": [
-        {
-            "name": "Develtio",
-            "homepage": "https://develtio.com"
-        },
-        {
-            "name": "Michał Malinowski",
-            "email": "mki.malinowski@gmail.com"
-        }
-    ],
-    "autoload": {
-        "psr-4": {
-            "Develtio\\WP\\Forms\\": "./inc"
-        }
-    }
-}
diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index fdbaef7..0000000
--- a/composer.lock
+++ /dev/null
@@ -1,436 +0,0 @@
-{
-    "_readme": [
-        "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
-        "This file is @generated automatically"
-    ],
-    "content-hash": "29e1cafce5905fac224e9d3c959a8ce3",
-    "packages": [
-        {
-            "name": "composer/installers",
-            "version": "v1.9.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/composer/installers.git",
-                "reference": "b93bcf0fa1fccb0b7d176b0967d969691cd74cca"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/composer/installers/zipball/b93bcf0fa1fccb0b7d176b0967d969691cd74cca",
-                "reference": "b93bcf0fa1fccb0b7d176b0967d969691cd74cca",
-                "shasum": ""
-            },
-            "require": {
-                "composer-plugin-api": "^1.0 || ^2.0"
-            },
-            "replace": {
-                "roundcube/plugin-installer": "*",
-                "shama/baton": "*"
-            },
-            "require-dev": {
-                "composer/composer": "1.6.* || 2.0.*@dev",
-                "composer/semver": "1.0.* || 2.0.*@dev",
-                "phpunit/phpunit": "^4.8.36",
-                "sebastian/comparator": "^1.2.4",
-                "symfony/process": "^2.3"
-            },
-            "type": "composer-plugin",
-            "extra": {
-                "class": "Composer\\Installers\\Plugin",
-                "branch-alias": {
-                    "dev-master": "1.0-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Composer\\Installers\\": "src/Composer/Installers"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Kyle Robinson Young",
-                    "email": "kyle@dontkry.com",
-                    "homepage": "https://github.com/shama"
-                }
-            ],
-            "description": "A multi-framework Composer library installer",
-            "homepage": "https://composer.github.io/installers/",
-            "keywords": [
-                "Craft",
-                "Dolibarr",
-                "Eliasis",
-                "Hurad",
-                "ImageCMS",
-                "Kanboard",
-                "Lan Management System",
-                "MODX Evo",
-                "MantisBT",
-                "Mautic",
-                "Maya",
-                "OXID",
-                "Plentymarkets",
-                "Porto",
-                "RadPHP",
-                "SMF",
-                "Thelia",
-                "Whmcs",
-                "WolfCMS",
-                "agl",
-                "aimeos",
-                "annotatecms",
-                "attogram",
-                "bitrix",
-                "cakephp",
-                "chef",
-                "cockpit",
-                "codeigniter",
-                "concrete5",
-                "croogo",
-                "dokuwiki",
-                "drupal",
-                "eZ Platform",
-                "elgg",
-                "expressionengine",
-                "fuelphp",
-                "grav",
-                "installer",
-                "itop",
-                "joomla",
-                "known",
-                "kohana",
-                "laravel",
-                "lavalite",
-                "lithium",
-                "magento",
-                "majima",
-                "mako",
-                "mediawiki",
-                "modulework",
-                "modx",
-                "moodle",
-                "osclass",
-                "phpbb",
-                "piwik",
-                "ppi",
-                "puppet",
-                "pxcms",
-                "reindex",
-                "roundcube",
-                "shopware",
-                "silverstripe",
-                "sydes",
-                "sylius",
-                "symfony",
-                "typo3",
-                "wordpress",
-                "yawik",
-                "zend",
-                "zikula"
-            ],
-            "funding": [
-                {
-                    "url": "https://packagist.com",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/composer/composer",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-04-07T06:57:05+00:00"
-        },
-        {
-            "name": "nette/component-model",
-            "version": "v3.0.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/nette/component-model.git",
-                "reference": "66409cf5507c77edb46ffa88cf6a92ff58395601"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/nette/component-model/zipball/66409cf5507c77edb46ffa88cf6a92ff58395601",
-                "reference": "66409cf5507c77edb46ffa88cf6a92ff58395601",
-                "shasum": ""
-            },
-            "require": {
-                "nette/utils": "^2.5 || ^3.0",
-                "php": ">=7.1"
-            },
-            "require-dev": {
-                "nette/tester": "^2.0",
-                "phpstan/phpstan": "^0.12",
-                "tracy/tracy": "^2.3"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.0-dev"
-                }
-            },
-            "autoload": {
-                "classmap": [
-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause",
-                "GPL-2.0-only",
-                "GPL-3.0-only"
-            ],
-            "authors": [
-                {
-                    "name": "David Grudl",
-                    "homepage": "https://davidgrudl.com"
-                },
-                {
-                    "name": "Nette Community",
-                    "homepage": "https://nette.org/contributors"
-                }
-            ],
-            "description": "⚛ Nette Component Model",
-            "homepage": "https://nette.org",
-            "keywords": [
-                "components",
-                "nette"
-            ],
-            "time": "2020-04-21T13:48:20+00:00"
-        },
-        {
-            "name": "nette/forms",
-            "version": "v3.0.6",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/nette/forms.git",
-                "reference": "ecb5f7b8c82585c5fc4698ccb6815542fe6b2db4"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/nette/forms/zipball/ecb5f7b8c82585c5fc4698ccb6815542fe6b2db4",
-                "reference": "ecb5f7b8c82585c5fc4698ccb6815542fe6b2db4",
-                "shasum": ""
-            },
-            "require": {
-                "nette/component-model": "^3.0",
-                "nette/http": "^3.0",
-                "nette/utils": "^3.0",
-                "php": ">=7.1"
-            },
-            "conflict": {
-                "nette/di": "<3.0-stable"
-            },
-            "require-dev": {
-                "latte/latte": "^2.8",
-                "nette/application": "^3.0",
-                "nette/di": "^3.0",
-                "nette/tester": "^2.0",
-                "phpstan/phpstan-nette": "^0.12",
-                "tracy/tracy": "^2.4"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.0-dev"
-                }
-            },
-            "autoload": {
-                "classmap": [
-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause",
-                "GPL-2.0-only",
-                "GPL-3.0-only"
-            ],
-            "authors": [
-                {
-                    "name": "David Grudl",
-                    "homepage": "https://davidgrudl.com"
-                },
-                {
-                    "name": "Nette Community",
-                    "homepage": "https://nette.org/contributors"
-                }
-            ],
-            "description": "?? Nette Forms: generating, validating and processing secure forms in PHP. Handy API, fully customizable, server & client side validation and mature design.",
-            "homepage": "https://nette.org",
-            "keywords": [
-                "Forms",
-                "bootstrap",
-                "csrf",
-                "javascript",
-                "nette",
-                "validation"
-            ],
-            "time": "2020-07-13T12:29:50+00:00"
-        },
-        {
-            "name": "nette/http",
-            "version": "v3.0.4",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/nette/http.git",
-                "reference": "e4d8d360c66c8af9512ca13ab629d312af2b3ce3"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/nette/http/zipball/e4d8d360c66c8af9512ca13ab629d312af2b3ce3",
-                "reference": "e4d8d360c66c8af9512ca13ab629d312af2b3ce3",
-                "shasum": ""
-            },
-            "require": {
-                "nette/utils": "^3.1",
-                "php": ">=7.1"
-            },
-            "conflict": {
-                "nette/di": "<3.0.3"
-            },
-            "require-dev": {
-                "nette/di": "^3.0",
-                "nette/security": "^3.0",
-                "nette/tester": "^2.0",
-                "phpstan/phpstan": "^0.12",
-                "tracy/tracy": "^2.4"
-            },
-            "suggest": {
-                "ext-fileinfo": "to detect type of uploaded files",
-                "nette/security": "allows use Nette\\Http\\UserStorage"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.0-dev"
-                }
-            },
-            "autoload": {
-                "classmap": [
-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause",
-                "GPL-2.0-only",
-                "GPL-3.0-only"
-            ],
-            "authors": [
-                {
-                    "name": "David Grudl",
-                    "homepage": "https://davidgrudl.com"
-                },
-                {
-                    "name": "Nette Community",
-                    "homepage": "https://nette.org/contributors"
-                }
-            ],
-            "description": "🌐 Nette Http: abstraction for HTTP request, response and session. Provides careful data sanitization and utility for URL and cookies manipulation.",
-            "homepage": "https://nette.org",
-            "keywords": [
-                "cookies",
-                "http",
-                "nette",
-                "proxy",
-                "request",
-                "response",
-                "security",
-                "session",
-                "url"
-            ],
-            "time": "2020-03-31T13:31:41+00:00"
-        },
-        {
-            "name": "nette/utils",
-            "version": "v3.1.2",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/nette/utils.git",
-                "reference": "488f58378bba71767e7831c83f9e0fa808bf83b9"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/nette/utils/zipball/488f58378bba71767e7831c83f9e0fa808bf83b9",
-                "reference": "488f58378bba71767e7831c83f9e0fa808bf83b9",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.1"
-            },
-            "require-dev": {
-                "nette/tester": "~2.0",
-                "phpstan/phpstan": "^0.12",
-                "tracy/tracy": "^2.3"
-            },
-            "suggest": {
-                "ext-gd": "to use Image",
-                "ext-iconv": "to use Strings::webalize(), toAscii(), chr() and reverse()",
-                "ext-intl": "to use Strings::webalize(), toAscii(), normalize() and compare()",
-                "ext-json": "to use Nette\\Utils\\Json",
-                "ext-mbstring": "to use Strings::lower() etc...",
-                "ext-tokenizer": "to use Nette\\Utils\\Reflection::getUseStatements()",
-                "ext-xml": "to use Strings::length() etc. when mbstring is not available"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.1-dev"
-                }
-            },
-            "autoload": {
-                "classmap": [
-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause",
-                "GPL-2.0-only",
-                "GPL-3.0-only"
-            ],
-            "authors": [
-                {
-                    "name": "David Grudl",
-                    "homepage": "https://davidgrudl.com"
-                },
-                {
-                    "name": "Nette Community",
-                    "homepage": "https://nette.org/contributors"
-                }
-            ],
-            "description": "🛠 Nette Utils: lightweight utilities for string & array manipulation, image handling, safe JSON encoding/decoding, validation, slug or strong password generating etc.",
-            "homepage": "https://nette.org",
-            "keywords": [
-                "array",
-                "core",
-                "datetime",
-                "images",
-                "json",
-                "nette",
-                "paginator",
-                "password",
-                "slugify",
-                "string",
-                "unicode",
-                "utf-8",
-                "utility",
-                "validation"
-            ],
-            "time": "2020-05-27T09:58:51+00:00"
-        }
-    ],
-    "packages-dev": [],
-    "aliases": [],
-    "minimum-stability": "stable",
-    "stability-flags": [],
-    "prefer-stable": false,
-    "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": [],
-    "plugin-api-version": "1.1.0"
-}
diff --git a/handlers/StepFirstHandleRequest.php b/handlers/StepFirstHandleRequest.php
new file mode 100644
index 0000000..7feecb7
--- /dev/null
+++ b/handlers/StepFirstHandleRequest.php
@@ -0,0 +1,27 @@
+<?php
+
+class StepFirstHandleRequest
+{
+    private $request;
+    private $form;
+
+    function __construct($request, $form = false)
+    {
+        $this->request = $request;
+        $this->form = $form;
+    }
+
+    public static function handle()
+    {
+        /**
+         * Logic goes here
+         */
+
+        return [
+            'success' => 'true',
+            'token' => 'generated_token'
+        ];
+    }
+
+
+}
\ No newline at end of file
diff --git a/inc/Init.php b/inc/Init.php
index cbadc67..4ac9dde 100644
--- a/inc/Init.php
+++ b/inc/Init.php
@@ -18,7 +18,6 @@ public static function get_services()
             Core\Pages\Dashboard::class,
             Core\Base\Enqueue::class,
             Core\Base\SettingsLinks::class,
-
             Modules\Forms\Init::class,
         ];
     }
diff --git a/inc/Modules/Forms/CreateForm.php b/inc/Modules/Forms/CreateForm.php
index 35dc826..dee4f48 100644
--- a/inc/Modules/Forms/CreateForm.php
+++ b/inc/Modules/Forms/CreateForm.php
@@ -72,13 +72,23 @@ class CreateForm extends BaseController
      */
     public $mail;
 
+    /**
+     * Rest Api class
+     * @var RestApi
+     */
+    public $rest_api;
+
+    public $custom_handler = null;
+
     /**
      * Options form customizing features and properties
      * @var array
      */
     public $options = [
         'send_mail' => true,
-        'send_confirm_mail' => false
+        'send_confirm_mail' => false,
+        'rest_api' => false,
+        'create_cpt' => true
     ];
 
     /**
@@ -96,8 +106,18 @@ public function __construct( $form_name, $options = [] )
         $this->mail = new Mail($this);
         $this->form_name = $form_name;
         $this->form_slug = sanitize_title( $form_name );
-        $this->custom_post_types = new CustomPostType();
 
+        if($this->options['create_cpt']) {
+            $this->custom_post_types = new CustomPostType();
+        }
+
+        if($this->options['rest_api']) {
+            $this->rest_api = new RestApi();
+        }
+
+        if(isset($this->options['custom_handler'])) {
+            $this->custom_handler = $this->options['custom_handler'];
+        }
     }
 
     /**
@@ -106,15 +126,22 @@ public function __construct( $form_name, $options = [] )
     public function save()
     {
         $this->setShortcode();
-        $this->custom_post_types->storeCustomPostTypes( $this );
+        if($this->options['create_cpt']) {
+            $this->custom_post_types->storeCustomPostTypes($this);
+        }
+
+        if($this->options['rest_api']) {
+            $this->rest_api->exposeObject($this, $this->custom_handler);
+        }
 
         if ( isset( $_POST ) && !is_admin() && $this->form->isSubmitted() && $this->form->isSuccess() ) {
             $this->form_values = $this->form->getValues();
 
             if ( $this->options['send_mail'] ) $this->mail->proceed();
 
-            add_action( 'init', [ $this, 'saveFormData' ] );
-
+            if($this->options['create_cpt']) {
+                add_action('init', [$this, 'saveFormData']);
+            }
         }
     }
 
diff --git a/inc/Modules/Forms/CustomPostType.php b/inc/Modules/Forms/CustomPostType.php
index 3edd988..5834bf2 100644
--- a/inc/Modules/Forms/CustomPostType.php
+++ b/inc/Modules/Forms/CustomPostType.php
@@ -50,7 +50,6 @@ class CustomPostType extends BaseController
      */
     public function registerCustomPostTypes()
     {
-
         foreach ( $this->custom_post_types as $post_type ) {
             register_post_type( $post_type['name'], $post_type['args'] );
         }
@@ -65,6 +64,7 @@ public function registerCustomPostTypes()
      */
     public function storeCustomPostTypes( CreateForm $instance  )
     {
+
         $this->form_instance = $instance;
         $this->post_type_name = $instance->post_type_prefix . $instance->form_slug;
         $this->form_components = $instance->form->getComponents();
@@ -74,6 +74,7 @@ public function storeCustomPostTypes( CreateForm $instance  )
             return;
         }
 
+
         array_push( $this->custom_post_types,
             [
                 'name' => $this->post_type_name,
@@ -92,7 +93,7 @@ public function storeCustomPostTypes( CreateForm $instance  )
         );
 
         if ( !empty( $this->custom_post_types ) ) {
-            add_action( 'init', [ $this, 'registerCustomPostTypes' ] );
+            add_action( 'init', [ $this, 'registerCustomPostTypes' ], 100 );
 
             $this->meta_box = new MetaBoxApi();
             $this->meta_box->init(
diff --git a/inc/Modules/Forms/Init.php b/inc/Modules/Forms/Init.php
index 6dcdfe8..3ddadba 100644
--- a/inc/Modules/Forms/Init.php
+++ b/inc/Modules/Forms/Init.php
@@ -18,7 +18,7 @@ public function init()
     {
         $option = get_option('develtio_plugin');
 
-        if(!$option['develtio_forms']) return;
+        if(!isset($option['develtio_forms'])) return;
 
         $this->register_services();
     }
diff --git a/inc/Modules/Forms/Mail.php b/inc/Modules/Forms/Mail.php
index 544c51e..74888d6 100644
--- a/inc/Modules/Forms/Mail.php
+++ b/inc/Modules/Forms/Mail.php
@@ -98,7 +98,7 @@ public function __construct(CreateForm $form)
 
     protected function setMailer() {
 
-        if(SMTP_HOST && SMTP_PORT && SMTP_USERNAME && SMTP_PASSWORD) {
+        if(defined('SMTP_HOST') && defined('SMTP_PORT') && defined('SMTP_USERNAME') && defined('SMTP_PASSWORD')) {
             $this->mailer = new Swift_Mailer(( new Swift_SmtpTransport( SMTP_HOST, SMTP_PORT, SMTP_ENCRYPTION ) )
                 ->setUsername( SMTP_USERNAME )
                 ->setPassword( SMTP_PASSWORD ));
diff --git a/inc/Modules/Forms/RestApi.php b/inc/Modules/Forms/RestApi.php
new file mode 100644
index 0000000..f8195ed
--- /dev/null
+++ b/inc/Modules/Forms/RestApi.php
@@ -0,0 +1,93 @@
+<?php
+/**
+ * @package Dforms
+ */
+
+namespace Develtio\WP\Forms\Modules\Forms;
+
+use Develtio\WP\Forms\Core\Base\BaseController;
+use Develtio\WP\Hoya\Handlers\Step1FormHandleRequest;
+
+/**
+ * Class RestApi
+ * @package Develtio\WP\Forms\Modules\Forms
+ */
+class RestApi extends BaseController
+{
+    /**
+     * @var string
+     */
+    public $post_type_name;
+
+    /**
+     * @var CreateForm $form_instance
+     */
+    public $form_instance;
+
+    private $custom_handler = null;
+
+    /**
+     * @param CreateForm $instance
+     * @param null $customHandler
+     * @return $this
+     */
+    public function exposeObject(CreateForm $instance, $customHandler = null)
+    {
+        $this->form_instance = $instance;
+        $this->post_type_name = $instance->post_type_prefix . $instance->form_slug;
+
+        $this->custom_handler = $customHandler;
+
+        add_action('rest_api_init', [$this,'registerAPIRoute']);
+        return $this;
+    }
+
+    public function registerAPIRoute()
+    {
+        register_rest_route('develtio/v1', '/form/' . $this->post_type_name,
+            array(
+                'methods' => 'POST',
+                'callback' => [$this, 'handleRoute'],
+                'permission_callback' => '__return_true',
+            )
+        );
+    }
+
+    public function handleRoute(\WP_REST_Request $request)
+    {
+        $this->form_instance->form->validate();
+        $errors = $this->form_instance->form->getErrors();
+
+        if(!empty($errors)){
+            $response = new \WP_REST_Response([
+                'success' => 'false',
+                'errors' => $errors
+            ]);
+            $response->set_headers(array('Cache-Control' => 'no-cache'));
+            return $response;
+        }
+
+        if ( $this->form_instance->options['send_mail'] ){
+            $this->form_instance->mail->proceed();
+
+            $response = new \WP_REST_Response([
+                'success' => 'true'
+            ]);
+            $response->set_headers(array('Cache-Control' => 'no-cache'));
+            return $response;
+        }
+
+        $customResponse = [];
+        if($this->custom_handler){
+            require_once $this->custom_handler[1].$this->custom_handler[0].'.php';
+            $responseObject = new $this->custom_handler[0]($request, $this->form_instance);
+            $customResponse = $responseObject->handle();
+        }
+
+        $response = new \WP_REST_Response($customResponse);
+        $response->set_headers(array('Cache-Control' => 'no-cache'));
+        $response->set_status(200);
+        return $response;
+    }
+
+}