diff --git a/includes/Api/OrdersController.php b/includes/Api/OrdersController.php
index 3b770ca..8ae8d74 100644
--- a/includes/Api/OrdersController.php
+++ b/includes/Api/OrdersController.php
@@ -1503,14 +1503,14 @@ class OrdersController {
 
       // Get available shipping packages and rates
       $packages = WC()->shipping()->get_packages();
-      $methods = [];
+      $rates = [];
 
       foreach ( $packages as $package_key => $package ) {
-        $rates = $package['rates'] ?? [];
+        $package_rates = $package['rates'] ?? [];
         
-        foreach ( $rates as $rate_id => $rate ) {
+        foreach ( $package_rates as $rate_id => $rate ) {
           /** @var \WC_Shipping_Rate $rate */
-          $methods[] = [
+          $rates[] = [
             'id' => $rate_id,
             'method_id' => $rate->get_method_id(),
             'instance_id' => $rate->get_instance_id(),
@@ -1522,12 +1522,65 @@ class OrdersController {
         }
       }
 
+      // Fallback: If no rates from packages, manually calculate from matching zone
+      if ( empty( $rates ) && ! empty( $shipping['country'] ) ) {
+        $package = [
+          'destination' => [
+            'country' => $shipping['country'] ?? '',
+            'state' => $shipping['state'] ?? '',
+            'postcode' => $shipping['postcode'] ?? '',
+            'city' => $shipping['city'] ?? '',
+          ],
+          'contents' => WC()->cart->get_cart(),
+          'contents_cost' => WC()->cart->get_subtotal(),
+          'applied_coupons' => WC()->cart->get_applied_coupons(),
+          'user' => [ 'ID' => get_current_user_id() ],
+        ];
+
+        $zone = \WC_Shipping_Zones::get_zone_matching_package( $package );
+        if ( $zone ) {
+          foreach ( $zone->get_shipping_methods( true ) as $method ) {
+            if ( method_exists( $method, 'get_rates_for_package' ) ) {
+              $method_rates = $method->get_rates_for_package( $package );
+              foreach ( $method_rates as $rate_id => $rate ) {
+                $rates[] = [
+                  'id' => $rate_id,
+                  'method_id' => $rate->get_method_id(),
+                  'instance_id' => $rate->get_instance_id(),
+                  'label' => $rate->get_label(),
+                  'cost' => (float) $rate->get_cost(),
+                  'taxes' => $rate->get_taxes(),
+                  'meta_data' => $rate->get_meta_data(),
+                ];
+              }
+            } else {
+              // Fallback for methods without get_rates_for_package (like Free Shipping)
+              $method_id = $method->id . ':' . $method->instance_id;
+              $rates[] = [
+                'id' => $method_id,
+                'method_id' => $method->id,
+                'instance_id' => $method->instance_id,
+                'label' => $method->get_title(),
+                'cost' => $method->id === 'free_shipping' ? 0 : (float) ($method->cost ?? 0),
+                'taxes' => [],
+                'meta_data' => [],
+              ];
+            }
+          }
+        }
+      }
+
       // Clean up
       WC()->cart->empty_cart();
 
       return new \WP_REST_Response( [
-        'methods' => $methods,
-        'has_methods' => ! empty( $methods ),
+        'methods' => $rates, // Keep as 'methods' for frontend compatibility
+        'has_methods' => ! empty( $rates ),
+        'debug' => [
+          'packages_count' => count( $packages ),
+          'cart_items_count' => count( WC()->cart->get_cart() ),
+          'address' => $shipping,
+        ],
       ], 200 );
 
     } catch ( \Throwable $e ) {