diff --git a/src/Admin/AdminController.php b/src/Admin/AdminController.php
index 7ff052e..2e8340f 100644
--- a/src/Admin/AdminController.php
+++ b/src/Admin/AdminController.php
@@ -61,6 +61,9 @@ final class AdminController
         add_action('wp_ajax_wclp_update_license_expiry', [$this, 'handleAjaxExpiryUpdate']);
         add_action('wp_ajax_wclp_update_license_domain', [$this, 'handleAjaxDomainUpdate']);
         add_action('wp_ajax_wclp_revoke_license', [$this, 'handleAjaxRevoke']);
+
+        // AJAX handler for license testing
+        add_action('wp_ajax_wclp_test_license', [$this, 'handleAjaxTestLicense']);
     }
 
     /**
@@ -355,6 +358,30 @@ final class AdminController
         }
     }
 
+    /**
+     * Handle AJAX license test - validates license against the API
+     */
+    public function handleAjaxTestLicense(): void
+    {
+        check_ajax_referer('wclp_inline_edit', 'nonce');
+
+        if (!current_user_can('manage_woocommerce')) {
+            wp_send_json_error(['message' => __('Permission denied.', 'wc-licensed-product')], 403);
+        }
+
+        $licenseKey = isset($_POST['license_key']) ? sanitize_text_field(wp_unslash($_POST['license_key'])) : '';
+        $domain = isset($_POST['domain']) ? sanitize_text_field(wp_unslash($_POST['domain'])) : '';
+
+        if (empty($licenseKey) || empty($domain)) {
+            wp_send_json_error(['message' => __('License key and domain are required.', 'wc-licensed-product')]);
+        }
+
+        // Validate the license using LicenseManager
+        $result = $this->licenseManager->validateLicense($licenseKey, $domain);
+
+        wp_send_json_success($result);
+    }
+
     /**
      * Handle admin actions (update, delete licenses)
      */
diff --git a/templates/admin/licenses.html.twig b/templates/admin/licenses.html.twig
index 530d4d8..3e70640 100644
--- a/templates/admin/licenses.html.twig
+++ b/templates/admin/licenses.html.twig
@@ -184,6 +184,13 @@
                             </td>
                             <td class="license-actions">
                                 <div class="row-actions">
+                                    <span class="test">
+                                        <a href="#" class="wclp-test-license-link"
+                                           data-license-id="{{ item.license.id }}"
+                                           data-license-key="{{ esc_attr(item.license.licenseKey) }}"
+                                           data-domain="{{ esc_attr(item.license.domain) }}"
+                                           title="{{ __('Test license against API') }}">{{ __('Test') }}</a> |
+                                    </span>
                                     {% if item.license.status != 'revoked' %}
                                         <span class="transfer">
                                             <a href="#" class="wclp-transfer-link"
@@ -272,6 +279,36 @@
     </form>
 </div>
 
+<!-- Test License Modal -->
+<div id="wclp-test-modal" class="wclp-modal" style="display:none;">
+    <div class="wclp-modal-content">
+        <span class="wclp-modal-close">&times;</span>
+        <h2>{{ __('License Validation Test') }}</h2>
+        <div class="wclp-test-info">
+            <table class="form-table">
+                <tr>
+                    <th scope="row">{{ __('License Key') }}</th>
+                    <td><code id="test-license-key"></code></td>
+                </tr>
+                <tr>
+                    <th scope="row">{{ __('Domain') }}</th>
+                    <td><code id="test-domain"></code></td>
+                </tr>
+            </table>
+        </div>
+        <div id="wclp-test-loading" style="display:none; text-align:center; padding:20px;">
+            <span class="spinner is-active" style="float:none;"></span>
+            <p>{{ __('Testing license...') }}</p>
+        </div>
+        <div id="wclp-test-result" style="display:none;">
+            <div id="wclp-test-result-content"></div>
+        </div>
+        <p class="submit">
+            <button type="button" class="button wclp-modal-cancel">{{ __('Close') }}</button>
+        </p>
+    </div>
+</div>
+
 <!-- Transfer Modal -->
 <div id="wclp-transfer-modal" class="wclp-modal" style="display:none;">
     <div class="wclp-modal-content">
@@ -349,5 +386,91 @@
             $modal.hide();
         }
     });
+
+    // Test License modal
+    var $testModal = $('#wclp-test-modal');
+    var $testLoading = $('#wclp-test-loading');
+    var $testResult = $('#wclp-test-result');
+    var $testResultContent = $('#wclp-test-result-content');
+
+    $('.wclp-test-license-link').on('click', function(e) {
+        e.preventDefault();
+        var licenseKey = $(this).data('license-key');
+        var domain = $(this).data('domain');
+
+        // Show modal with info
+        $('#test-license-key').text(licenseKey);
+        $('#test-domain').text(domain);
+        $testLoading.show();
+        $testResult.hide();
+        $testModal.show();
+
+        // Call the test endpoint
+        $.ajax({
+            url: wclpAdmin.ajaxUrl,
+            type: 'POST',
+            data: {
+                action: 'wclp_test_license',
+                nonce: wclpAdmin.editNonce,
+                license_key: licenseKey,
+                domain: domain
+            },
+            success: function(response) {
+                $testLoading.hide();
+                if (response.success) {
+                    var result = response.data;
+                    var html = '';
+
+                    if (result.valid) {
+                        html = '<div class="notice notice-success inline"><p><strong>✓ {{ __('License is VALID') }}</strong></p></div>';
+                        html += '<table class="widefat striped"><tbody>';
+                        html += '<tr><th>{{ __('Product') }}</th><td>' + escapeHtml(result.product_name || '-') + '</td></tr>';
+                        html += '<tr><th>{{ __('Version') }}</th><td>' + escapeHtml(result.version || '-') + '</td></tr>';
+                        if (result.expires_at) {
+                            html += '<tr><th>{{ __('Expires') }}</th><td>' + escapeHtml(result.expires_at) + '</td></tr>';
+                        } else {
+                            html += '<tr><th>{{ __('Expires') }}</th><td>{{ __('Lifetime') }}</td></tr>';
+                        }
+                        html += '</tbody></table>';
+                    } else {
+                        html = '<div class="notice notice-error inline"><p><strong>✗ {{ __('License is INVALID') }}</strong></p></div>';
+                        html += '<table class="widefat striped"><tbody>';
+                        html += '<tr><th>{{ __('Error Code') }}</th><td><code>' + escapeHtml(result.error || 'unknown') + '</code></td></tr>';
+                        html += '<tr><th>{{ __('Message') }}</th><td>' + escapeHtml(result.message || '-') + '</td></tr>';
+                        html += '</tbody></table>';
+                    }
+
+                    $testResultContent.html(html);
+                    $testResult.show();
+                } else {
+                    $testResultContent.html('<div class="notice notice-error inline"><p>' + escapeHtml(response.data.message || 'Error') + '</p></div>');
+                    $testResult.show();
+                }
+            },
+            error: function() {
+                $testLoading.hide();
+                $testResultContent.html('<div class="notice notice-error inline"><p>{{ __('Failed to test license. Please try again.') }}</p></div>');
+                $testResult.show();
+            }
+        });
+    });
+
+    // Close test modal
+    $testModal.find('.wclp-modal-close, .wclp-modal-cancel').on('click', function() {
+        $testModal.hide();
+    });
+
+    $(window).on('click', function(e) {
+        if ($(e.target).is($testModal)) {
+            $testModal.hide();
+        }
+    });
+
+    function escapeHtml(text) {
+        if (!text) return '';
+        var div = document.createElement('div');
+        div.textContent = text;
+        return div.innerHTML;
+    }
 })(jQuery);
 </script>