diff --git a/wp-content/mu-plugins/coaching-mvp.php b/wp-content/mu-plugins/coaching-mvp.php
index b939384..90aab9b 100644
--- a/wp-content/mu-plugins/coaching-mvp.php
+++ b/wp-content/mu-plugins/coaching-mvp.php
@@ -5577,7 +5577,30 @@ function coaching_mvp_ssa_default_appointment_type_slug() {
     return '30-minute-meeting';
 }
 
+function coaching_mvp_ssa_default_customer_information_fields() {
+    return [
+        [
+            'field' => 'Name',
+            'display' => true,
+            'required' => true,
+            'type' => 'single-text',
+            'icon' => 'face',
+            'values' => '',
+        ],
+        [
+            'field' => 'Email',
+            'display' => true,
+            'required' => true,
+            'type' => 'single-text',
+            'icon' => 'email',
+            'values' => '',
+        ],
+    ];
+}
+
 function coaching_mvp_ssa_default_appointment_type_data() {
+    $customer_information_fields = coaching_mvp_ssa_default_customer_information_fields();
+
     return [
         'author_id' => 1,
         'title' => '30-Minute Meeting',
@@ -5606,25 +5629,8 @@ function coaching_mvp_ssa_default_appointment_type_data() {
         'availability_increment' => 30,
         'timezone_style' => 'localized',
         'booking_layout' => 'week',
-        'customer_information' => [],
-        'custom_customer_information' => [
-            [
-                'field' => 'Name',
-                'display' => true,
-                'required' => true,
-                'type' => 'single-text',
-                'icon' => 'face',
-                'values' => '',
-            ],
-            [
-                'field' => 'Email',
-                'display' => true,
-                'required' => true,
-                'type' => 'single-text',
-                'icon' => 'email',
-                'values' => '',
-            ],
-        ],
+        'customer_information' => $customer_information_fields,
+        'custom_customer_information' => $customer_information_fields,
         'notifications' => [
             'fields' => [
                 ['field' => 'admin', 'send' => true],
@@ -5666,11 +5672,25 @@ function coaching_mvp_ensure_ssa_booking_setup() {
     }
 
     $slug = coaching_mvp_ssa_default_appointment_type_slug();
-    if (coaching_mvp_get_ssa_appointment_type_by_slug($slug)) {
+    $appointment_type = coaching_mvp_get_ssa_appointment_type_by_slug($slug);
+    $default_data = coaching_mvp_ssa_default_appointment_type_data();
+
+    if (empty($appointment_type)) {
+        ssa()->appointment_type_model->insert($default_data);
         return;
     }
 
-    ssa()->appointment_type_model->insert(coaching_mvp_ssa_default_appointment_type_data());
+    $existing_customer_information = $appointment_type['customer_information'] ?? [];
+    $existing_custom_customer_information = $appointment_type['custom_customer_information'] ?? [];
+
+    if (!empty($existing_customer_information) && !empty($existing_custom_customer_information)) {
+        return;
+    }
+
+    ssa()->appointment_type_model->update((int) $appointment_type['id'], [
+        'customer_information' => $default_data['customer_information'],
+        'custom_customer_information' => $default_data['custom_customer_information'],
+    ]);
 }
 add_action('init', 'coaching_mvp_ensure_ssa_booking_setup', 45);
 
@@ -5701,6 +5721,45 @@ function coaching_mvp_ssa_booking_shortcode() {
 }
 add_shortcode('coaching_ssa_booking', 'coaching_mvp_ssa_booking_shortcode');
 
+function coaching_mvp_ssa_public_rest_permission($request) {
+    if (current_user_can('ssa_manage_site_settings')) {
+        return true;
+    }
+
+    if (!class_exists('TD_API_Model')) {
+        return false;
+    }
+
+    $headers = $request->get_headers();
+
+    if (!empty($headers['x_wp_nonce'][0]) && wp_verify_nonce($headers['x_wp_nonce'][0], 'wp_rest')) {
+        return true;
+    }
+
+    if (!empty($headers['x_public_nonce'][0]) && TD_API_Model::verify_nonce($headers['x_public_nonce'][0], 'wp_rest')) {
+        return true;
+    }
+
+    return false;
+}
+
+function coaching_mvp_patch_ssa_public_booking_permissions($endpoints) {
+    if (empty($endpoints['/ssa/v1/appointments'])) {
+        return $endpoints;
+    }
+
+    foreach ($endpoints['/ssa/v1/appointments'] as $index => $handler) {
+        $methods = $handler['methods'] ?? [];
+
+        if ($methods === WP_REST_Server::CREATABLE || (is_array($methods) && in_array('POST', $methods, true))) {
+            $endpoints['/ssa/v1/appointments'][$index]['permission_callback'] = 'coaching_mvp_ssa_public_rest_permission';
+        }
+    }
+
+    return $endpoints;
+}
+add_filter('rest_endpoints', 'coaching_mvp_patch_ssa_public_booking_permissions', 20);
+
 function coaching_mvp_booking_form_shortcode() {
     $status = isset($_GET['booking_status']) ? sanitize_key(wp_unslash($_GET['booking_status'])) : '';
     ob_start();