diff --git a/includes/class-rc-order.php b/includes/class-rc-order.php
index ff9a2af..78c244c 100644
--- a/includes/class-rc-order.php
+++ b/includes/class-rc-order.php
@@ -8,6 +8,7 @@
  */
 
 class RC_Order {
+    private $order;
     public $base_url = 'https://my.referralcandy.com/api/v1';
     public $wc_pre_30 = false;
     public $api_id;
@@ -22,41 +23,44 @@ class RC_Order {
     public $order_timestamp;
     public $browser_ip;
     public $user_agent;
+    public $accepts_marketing;
     public $referrer_id;
 
     public function __construct($wc_order_id, WC_Referralcandy_Integration $integration) {
         $this->wc_pre_30 = version_compare(WC_VERSION, '3.0.0', '<');
-        $wc_order   = new WC_Order($wc_order_id);
+        $this->order     = new WC_Order($wc_order_id);
 
         if ($this->wc_pre_30) {
             $this->order_timestamp = time();
             if (get_option('timezone_string') != null) {
                 $timezone_string = get_option('timezone_string');
-                $this->order_timestamp = DateTime::createFromFormat('Y-m-d H:i:s', $wc_order->order_date, new DateTimeZone($timezone_string))->getTimestamp();
+                $this->order_timestamp = DateTime::createFromFormat('Y-m-d H:i:s', $this->order->order_date, new DateTimeZone($timezone_string))->getTimestamp();
             }
 
-            $this->first_name       = $wc_order->billing_first_name;
-            $this->last_name        = $wc_order->billing_last_name;
-            $this->email            = $wc_order->billing_email;
-            $this->total            = $wc_order->get_total();
-            $this->currency         = $wc_order->get_order_currency();
-            $this->order_number     = $wc_order_id;
-            $this->browser_ip       = $wc_order->customer_ip_address;
-            $this->user_agent       = $wc_order->customer_user_agent;
-            $this->referrer_id      = get_post_meta($wc_order_id, 'rc_referrer_id', true);
+            $this->first_name        = $this->order->billing_first_name;
+            $this->last_name         = $this->order->billing_last_name;
+            $this->email             = $this->order->billing_email;
+            $this->total             = $this->order->get_total();
+            $this->currency          = $this->order->get_order_currency();
+            $this->order_number      = $wc_order_id;
+            $this->browser_ip        = $this->order->customer_ip_address;
+            $this->user_agent        = $this->order->customer_user_agent;
+            $this->accepts_marketing = get_post_meta($wc_order_id, 'rc_accepts_marketing', true) ? 'true' : 'false';
+            $this->referrer_id       = get_post_meta($wc_order_id, 'rc_referrer_id', true);
         } else {
-            $order_data = $wc_order->get_data();
-
-            $this->first_name       = $order_data['billing']['first_name'];
-            $this->last_name        = $order_data['billing']['last_name'];
-            $this->email            = $order_data['billing']['email'];
-            $this->total            = $order_data['total'];
-            $this->currency         = $order_data['currency'];
-            $this->order_number     = $wc_order_id;
-            $this->order_timestamp  = $order_data['date_created']->getTimestamp();
-            $this->browser_ip       = $order_data['customer_ip_address'];
-            $this->user_agent       = $order_data['customer_user_agent'];
-            $this->referrer_id      = $wc_order->get_meta('rc_referrer_id', true, 'view');
+            $order_data = $this->order->get_data();
+
+            $this->first_name        = $order_data['billing']['first_name'];
+            $this->last_name         = $order_data['billing']['last_name'];
+            $this->email             = $order_data['billing']['email'];
+            $this->total             = $order_data['total'];
+            $this->currency          = $order_data['currency'];
+            $this->order_number      = $wc_order_id;
+            $this->order_timestamp   = $order_data['date_created']->getTimestamp();
+            $this->browser_ip        = $order_data['customer_ip_address'];
+            $this->user_agent        = $order_data['customer_user_agent'];
+            $this->accepts_marketing = $this->order->get_meta('rc_accepts_marketing', true, 'view') ? 'true' : 'false';
+            $this->referrer_id       = $this->order->get_meta('rc_referrer_id', true, 'view');
         }
 
         $this->api_id           = $integration->api_id;
@@ -66,6 +70,7 @@ public function __construct($wc_order_id, WC_Referralcandy_Integration $integrat
     private function generate_post_fields($specific_keys = [], $additional_keys = []) {
         $post_fields = [
             'accessID'              => $this->api_id,
+            'accepts_marketing'     => $this->accepts_marketing,
             'first_name'            => $this->first_name,
             'last_name'             => $this->last_name,
             'email'                 => $this->email,
@@ -106,6 +111,7 @@ private function generate_post_fields($specific_keys = [], $additional_keys = []
         // sort keys
         ksort($post_fields);
 
+//         return array_merge(['accessID' => $this->api_id], $post_fields);
         return $post_fields;
     }
 
@@ -135,12 +141,13 @@ public function submit_purchase() {
         $endpoint = join('/', [$this->base_url, 'purchase.json']);
 
         if (!empty($this->secret_key) && !empty($this->api_id)) {
-            $params     = $this->generate_request_body($this->generate_post_fields());
-            $response   = wp_safe_remote_post($endpoint, $params);
+            $params         = $this->generate_request_body($this->generate_post_fields());
+            $response       = wp_safe_remote_post($endpoint, $params);
+            $response_body  = json_decode($response['body']);
 
-            # only used to cross reference requests
-            // error_log('ReferralCandy API#purchase params: ' . print_r($params['body'], true));
-            // error_log('ReferralCandy API#purchase response: ' . print_r(json_decode($response['body']), true));
+            if ($response_body->message == 'Success' && !empty($response_body->referralcorner_url)) {
+                $this->order->add_order_note('Order sent to ReferralCandy');
+            }
         }
     }
 }
diff --git a/includes/class-wc-referralcandy-integration.php b/includes/class-wc-referralcandy-integration.php
index 84c2cdd..df42e81 100644
--- a/includes/class-wc-referralcandy-integration.php
+++ b/includes/class-wc-referralcandy-integration.php
@@ -38,6 +38,8 @@ public function __construct() {
             add_action('save_post',                                             [$this, 'add_referrer_id']);
             add_action('woocommerce_thankyou',                                  [$this, 'render_post_purchase_popup']);
             add_action('woocommerce_order_status_' . $this->status_to,          [$this, 'rc_submit_purchase'], 10, 1);
+            add_action('woocommerce_review_order_before_submit',                [$this, 'render_accepts_marketing_field']);
+            add_action('woocommerce_checkout_update_order_meta',                [$this, 'capture_accepts_marketing_value']);
 
             // Filters.
             add_filter('woocommerce_settings_api_sanitized_fields_' . $this->id, [$this, 'sanitize_settings']);
@@ -88,6 +90,14 @@ public function init_form_fields() {
                     'desc_tip'          => true,
                     'default'           => 'checkout'
                 ],
+                'accepts_marketing_label' => [
+                    'title'             => __('Accepts marketing checkbox label', 'woocommerce-referralcandy'),
+                    'type'              => 'text',
+                    'css'               => 'width: 50%',
+                    'desc'              => __('Render the tracking code on the selected pages', 'woocommerce-referralcandy'),
+                    'desc_tip'          => true,
+                    'default'           => 'I would like to receive referral marketing and promotional emails'
+                ],
                 'popup' => [
                     'title'             => __('Post-purchase Popup', 'woocommerce-referralcandy'),
                     'label'             => __('Enable post-purchase Popup', 'woocommerce-referralcandy'),
@@ -97,9 +107,11 @@ public function init_form_fields() {
                 ],
                 'popup_quickfix' => [
                     'title'             => __('Post-purchase Popup Quickfix', 'woocommerce-referralcandy'),
-                    'label'             => __('Popup is breaking the checkout page?'.'
-                                                Try enabling this option to apply the quickfix!',
-                                                'woocommerce-referralcandy'),
+                    'label'             => __(
+                        'Popup is breaking the checkout page?
+                        Try enabling this option to apply the quickfix!',
+                        'woocommerce-referralcandy'
+                    ),
                     'type'              => 'checkbox',
                     'desc_tip'          => false,
                     'default'           => ''
@@ -115,6 +127,22 @@ private function is_option_enabled($option_name) {
             return $this->get_option($option_name) == 'yes'? true : false;
         }
 
+        public function render_accepts_marketing_field( $checkout ) {
+            echo "<div style='width: 100%;'>";
+            woocommerce_form_field( 'rc_accepts_marketing', array(
+                'type'          => 'checkbox',
+                'label'         => $this->get_option('accepts_marketing_label'),
+                'required'      => false,
+            ), false);
+            echo "</div>";
+        }
+
+        public function capture_accepts_marketing_value( $order_id ) {
+            if ( ! empty( $_POST['rc_accepts_marketing'] ) ) {
+                update_post_meta( $order_id, 'rc_accepts_marketing', sanitize_text_field( $_POST['rc_accepts_marketing'] ) );
+            }
+        }
+
         public function check_plugin_requirements() {
             $message = "<strong>ReferralCandy</strong>: Please make sure the following settings are configured for your integration to work properly:";
             $integration_incomplete = false;
@@ -184,7 +212,7 @@ public function render_post_purchase_popup($order_id) {
                         data-lname='$rc_order->last_name'
                         data-email='$rc_order->email'
                         data-accepts-marketing='false'
-                        ></div>";
+                        ></div><style>iframe[src*='portal.referralcandy.com']{ height: 100% !important; }</style>";
 
                 $popup_script = '<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.defer=true;js.src="//portal.referralcandy.com/assets/widgets/refcandy-lollipop.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","refcandy-lollipop-js");</script>';
 
diff --git a/readme.txt b/readme.txt
index f29c104..8c246d3 100644
--- a/readme.txt
+++ b/readme.txt
@@ -72,6 +72,12 @@ We maintain a list of FAQs on our [help page](http://answers.referralcandy.com/)
 
 == Changelog ==
 
+= 2.3.0 =
+* Added marketing acceptance checkbox on checkout
+* Added option to customize marketing acceptance label
+* Updated order class to include `accepts_marketing` data taken from marketing acceptance upon checkout
+* Added feature that adds a note on the order if a purchase was successfully submitted to ReferralCandy
+
 = 2.2.4 =
 * Fixed issue where there the tracking code is rendered before the html
 
diff --git a/woocommerce-referralcandy.php b/woocommerce-referralcandy.php
index a71f8f3..53f8330 100644
--- a/woocommerce-referralcandy.php
+++ b/woocommerce-referralcandy.php
@@ -6,7 +6,7 @@
  * Author: ReferralCandy
  * Author URI: http://www.referralcandy.com
  * Text Domain: woocommerce-referralcandy
- * Version: 2.2.4
+ * Version: 2.3.0
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by