diff --git a/.env.example b/.env.example
index 36a800a76..a75f5ffa8 100644
--- a/.env.example
+++ b/.env.example
@@ -108,13 +108,15 @@ CAPTCHA_SITEKEY=
 CAPTCHA_TURNSTILE_SITEKEY=
 CAPTCHA_TURNSTILE_SECRET=
 CAPTCHA_TURNSTILE_TIMEOUT=5
-# Let requests through on network/5xx errors instead of blocking
 CAPTCHA_TURNSTILE_FAIL_OPEN=false
 
 # --- Cap, self-hosted proof-of-work (driver: cap) ---
-# Full URL of your Cap instance including the site key (trailing slash required)
+# Base URL WITHOUT the site key
 CAP_ENDPOINT=
+CAP_SITEKEY=
 CAP_SECRET=
+CAP_TOKEN_FIELD=cap-captcha-response
 CAP_TIMEOUT=5
 CAP_FAIL_OPEN=false
+# @cap.js/widget version from jsDelivr; leave "latest" to track newest stable
 CAP_WIDGET_VERSION=latest
diff --git a/app/Http/Controllers/Admin/AdminSettingsController.php b/app/Http/Controllers/Admin/AdminSettingsController.php
index d47f2c68e..94289cb7f 100644
--- a/app/Http/Controllers/Admin/AdminSettingsController.php
+++ b/app/Http/Controllers/Admin/AdminSettingsController.php
@@ -733,11 +733,14 @@ trait AdminSettingsController
                 ConfigCacheService::put('captcha.turnstile.sitekey', $request->input('captcha_turnstile_sitekey'));
             }
 
-            // Cap credentials (endpoint is public, store as-is when present)
+            // Cap credentials (endpoint + sitekey are public, store as-is)
             $putIfChanged('captcha.cap.secret', $request->input('captcha_cap_secret'));
             if ($request->filled('captcha_cap_endpoint')) {
                 ConfigCacheService::put('captcha.cap.endpoint', $request->input('captcha_cap_endpoint'));
             }
+            if ($request->filled('captcha_cap_sitekey')) {
+                ConfigCacheService::put('captcha.cap.sitekey', $request->input('captcha_cap_sitekey'));
+            }
 
             ConfigCacheService::put('captcha.active.login', $request->boolean('captcha_on_login'));
             ConfigCacheService::put('captcha.active.register', $request->boolean('captcha_on_register'));
@@ -768,6 +771,7 @@ trait AdminSettingsController
             'captcha_turnstile_secret' => $request->input('captcha_turnstile_secret'),
             'captcha_turnstile_sitekey' => $request->input('captcha_turnstile_sitekey'),
             'captcha_cap_endpoint' => $request->input('captcha_cap_endpoint'),
+            'captcha_cap_sitekey' => $request->input('captcha_cap_sitekey'),
             'captcha_cap_secret' => $request->input('captcha_cap_secret'),
             'custom_emoji_enabled' => $request->boolean('custom_emoji_enabled'),
         ];
diff --git a/app/Services/AdminSettingsService.php b/app/Services/AdminSettingsService.php
index 1305b4f96..6476bd97a 100644
--- a/app/Services/AdminSettingsService.php
+++ b/app/Services/AdminSettingsService.php
@@ -142,6 +142,7 @@ class AdminSettingsService
             'captcha_turnstile_secret' => self::maskSecret(config_cache('captcha.turnstile.secret')),
             'captcha_turnstile_sitekey' => config_cache('captcha.turnstile.sitekey'),
             'captcha_cap_endpoint' => config_cache('captcha.cap.endpoint'),
+            'captcha_cap_sitekey' => config_cache('captcha.cap.sitekey'),
             'captcha_cap_secret' => self::maskSecret(config_cache('captcha.cap.secret')),
             'custom_emoji_enabled' => (bool) config_cache('federation.custom_emoji.enabled'),
         ];
diff --git a/app/Services/Captcha/CapDriver.php b/app/Services/Captcha/CapDriver.php
index c46ea8919..998f148b9 100644
--- a/app/Services/Captcha/CapDriver.php
+++ b/app/Services/Captcha/CapDriver.php
@@ -10,7 +10,12 @@ use LaravelCap\Cap;
  * Cap driver (self-hosted proof-of-work CAPTCHA).
  *
  * Wraps the oliweb/laravel-cap package for verification, and renders the
- * locally-published widget (public/vendor/cap/) so no external CDN is used.
+ * @cap.js/widget from the jsDelivr CDN.
+ *
+ * The full API endpoint the widget and verifier talk to is composed from a base
+ * URL (captcha.cap.endpoint) plus the site key (captcha.cap.sitekey):
+ *
+ *     https://cap.example.com  +  3c87a0e810  =>  https://cap.example.com/3c87a0e810/
  *
  * @see https://github.com/oliweb-ch/laravel-cap
  */
@@ -30,6 +35,7 @@ class CapDriver implements CaptchaDriver
     public function isConfigured(): bool
     {
         return ! empty(config_cache('captcha.cap.endpoint'))
+            && ! empty(config_cache('captcha.cap.sitekey'))
             && ! empty(config_cache('captcha.cap.secret'));
     }
 
@@ -38,6 +44,24 @@ class CapDriver implements CaptchaDriver
         return (string) config('captcha.cap.token_field', 'cap-token');
     }
 
+    /**
+     * Compose the full Cap API endpoint: "{base}/{sitekey}/".
+     *
+     * The base URL is the instance origin without the site key. The site key is
+     * appended as a path segment with a trailing slash (required by Cap).
+     */
+    public function apiEndpoint(): string
+    {
+        $base = rtrim(trim((string) config_cache('captcha.cap.endpoint')), '/');
+        $sitekey = trim((string) config_cache('captcha.cap.sitekey'), '/ ');
+
+        if ($base === '' || $sitekey === '') {
+            return '';
+        }
+
+        return $base.'/'.$sitekey.'/';
+    }
+
     public function verify(array $input): bool
     {
         $token = $input[$this->responseField()] ?? null;
@@ -46,8 +70,13 @@ class CapDriver implements CaptchaDriver
             return false;
         }
 
+        $endpoint = $this->apiEndpoint();
+        if ($endpoint === '') {
+            return false;
+        }
+
         $cap = new Cap(app(HttpFactory::class), [
-            'endpoint' => config_cache('captcha.cap.endpoint'),
+            'endpoint' => $endpoint,
             'secret' => config_cache('captcha.cap.secret'),
             'timeout' => (int) config('captcha.cap.timeout', 5),
             'fail_open' => (bool) config('captcha.cap.fail_open', false),
@@ -58,7 +87,7 @@ class CapDriver implements CaptchaDriver
 
     public function render(array $attributes = []): string
     {
-        $endpoint = e((string) config_cache('captcha.cap.endpoint'));
+        $endpoint = e($this->apiEndpoint());
         $field = e($this->responseField());
 
         $attrs = '';
diff --git a/app/Services/ConfigCacheService.php b/app/Services/ConfigCacheService.php
index a12039030..5c6f95971 100644
--- a/app/Services/ConfigCacheService.php
+++ b/app/Services/ConfigCacheService.php
@@ -115,6 +115,7 @@ class ConfigCacheService
                     'captcha.turnstile.secret',
                     'captcha.turnstile.sitekey',
                     'captcha.cap.endpoint',
+                    'captcha.cap.sitekey',
                     'captcha.cap.secret',
                     'captcha.active.login',
                     'captcha.active.register',
diff --git a/config/captcha.php b/config/captcha.php
index ec5750c22..1f8cb0966 100644
--- a/config/captcha.php
+++ b/config/captcha.php
@@ -63,11 +63,13 @@ return [
     |--------------------------------------------------------------------------
     | Cap (self-hosted proof-of-work CAPTCHA)
     |--------------------------------------------------------------------------
-    | The endpoint must include the site key and a trailing slash, e.g.
-    | https://cap.example.com/your-site-key/
+    | The endpoint is the instance base URL WITHOUT the site key, e.g.
+    | https://cap.example.com. The site key is a separate value; the full API
+    | endpoint (https://cap.example.com/your-site-key/) is composed by CapDriver.
     */
     'cap' => [
         'endpoint' => env('CAP_ENDPOINT'),
+        'sitekey' => env('CAP_SITEKEY'),
         'secret' => env('CAP_SECRET'),
         'token_field' => env('CAP_TOKEN_FIELD', 'cap-token'),
         'timeout' => (int) env('CAP_TIMEOUT', 5),
diff --git a/resources/assets/components/admin/AdminSettings.vue b/resources/assets/components/admin/AdminSettings.vue
index b8f5c238a..76b27832d 100644
--- a/resources/assets/components/admin/AdminSettings.vue
+++ b/resources/assets/components/admin/AdminSettings.vue
@@ -460,15 +460,26 @@
 
                                                 <!-- Cap credentials -->
                                                 <div class="row" v-else-if="platform.captcha_driver === 'cap'">
-                                                    <div class="col-12 col-md-6">
+                                                    <div class="col-12">
                                                         <div class="form-group my-1">
                                                             <label class="text-muted small">Cap Endpoint</label>
                                                             <input
                                                                 type="text"
                                                                 class="form-control"
                                                                 name="captcha_cap_endpoint"
-                                                                placeholder="https://cap.example.com/your-site-key/"
+                                                                placeholder="https://cap.example.com"
                                                                 v-model="platform.captcha_cap_endpoint">
+                                                            <small class="form-text text-muted">Base URL of your Cap instance, without the site key.</small>
+                                                        </div>
+                                                    </div>
+                                                    <div class="col-12 col-md-6">
+                                                        <div class="form-group my-1">
+                                                            <label class="text-muted small">Cap Sitekey</label>
+                                                            <input
+                                                                type="text"
+                                                                class="form-control"
+                                                                name="captcha_cap_sitekey"
+                                                                v-model="platform.captcha_cap_sitekey">
                                                         </div>
                                                     </div>
                                                     <div class="col-12 col-md-6">
@@ -1496,6 +1507,7 @@
                     captcha_turnstile_secret: this.platform.captcha_turnstile_secret,
                     captcha_turnstile_sitekey: this.platform.captcha_turnstile_sitekey,
                     captcha_cap_endpoint: this.platform.captcha_cap_endpoint,
+                    captcha_cap_sitekey: this.platform.captcha_cap_sitekey,
                     captcha_cap_secret: this.platform.captcha_cap_secret,
                     captcha_on_login: this.platform.captcha_on_login,
                     captcha_on_register: this.platform.captcha_on_register,
diff --git a/tests/Feature/CaptchaAdminSettingsTest.php b/tests/Feature/CaptchaAdminSettingsTest.php
new file mode 100644
index 000000000..7b54bd97e
--- /dev/null
+++ b/tests/Feature/CaptchaAdminSettingsTest.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Services\AdminSettingsService;
+use PHPUnit\Framework\Attributes\Test;
+use Tests\TestCase;
+
+/**
+ * Exercises the admin read path (AdminSettingsService::getPlatform) that feeds
+ * the captcha settings UI, including masking and provider-namespaced keys.
+ */
+class CaptchaAdminSettingsTest extends TestCase
+{
+    #[Test]
+    public function platform_settings_expose_all_captcha_surface_toggles(): void
+    {
+        config([
+            'captcha.enabled' => true,
+            'captcha.driver' => 'turnstile',
+            'captcha.active.login' => true,
+            'captcha.active.register' => false,
+            'captcha.active.forgotpassword' => true,
+            'captcha.active.password_reset' => false,
+            'captcha.active.curated_register' => true,
+        ]);
+
+        $platform = AdminSettingsService::getPlatform();
+
+        $this->assertTrue($platform['captcha_enabled']);
+        $this->assertSame('turnstile', $platform['captcha_driver']);
+        $this->assertTrue($platform['captcha_on_login']);
+        $this->assertFalse($platform['captcha_on_register']);
+        $this->assertTrue($platform['captcha_on_forgotpassword']);
+        $this->assertFalse($platform['captcha_on_password_reset']);
+        $this->assertTrue($platform['captcha_on_curated_register']);
+    }
+
+    #[Test]
+    public function platform_settings_expose_cap_endpoint_and_sitekey(): void
+    {
+        config([
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => '3c87a0e810',
+        ]);
+
+        $platform = AdminSettingsService::getPlatform();
+
+        $this->assertArrayHasKey('captcha_cap_endpoint', $platform);
+        $this->assertArrayHasKey('captcha_cap_sitekey', $platform);
+        $this->assertSame('https://cap.example.com', $platform['captcha_cap_endpoint']);
+        $this->assertSame('3c87a0e810', $platform['captcha_cap_sitekey']);
+    }
+
+    #[Test]
+    public function secrets_are_masked_and_sitekeys_are_not(): void
+    {
+        config([
+            'captcha.hcaptcha.secret' => 'supersecretvalue',
+            'captcha.hcaptcha.sitekey' => 'publicsitekey123',
+            'captcha.turnstile.secret' => 'turnstilesecretvalue',
+            'captcha.turnstile.sitekey' => '0xPUBLICKEY',
+            'captcha.cap.secret' => 'capsecretvalue',
+        ]);
+
+        $platform = AdminSettingsService::getPlatform();
+
+        // Secrets masked (contain the mask char, not the raw value).
+        $this->assertStringContainsString('*', $platform['captcha_hcaptcha_secret']);
+        $this->assertStringNotContainsString('supersecretvalue', $platform['captcha_hcaptcha_secret']);
+        $this->assertStringContainsString('*', $platform['captcha_turnstile_secret']);
+        $this->assertStringContainsString('*', $platform['captcha_cap_secret']);
+
+        // Public keys returned as-is (turnstile sitekey is not masked).
+        $this->assertSame('0xPUBLICKEY', $platform['captcha_turnstile_sitekey']);
+    }
+
+    #[Test]
+    public function mask_secret_tolerates_empty_and_null_values(): void
+    {
+        config([
+            'captcha.hcaptcha.secret' => null,
+            'captcha.turnstile.secret' => '',
+        ]);
+
+        // Should not throw even when secrets are null/empty.
+        $platform = AdminSettingsService::getPlatform();
+
+        $this->assertArrayHasKey('captcha_hcaptcha_secret', $platform);
+        $this->assertArrayHasKey('captcha_turnstile_secret', $platform);
+    }
+}
diff --git a/tests/Feature/CaptchaManagerTest.php b/tests/Feature/CaptchaManagerTest.php
index 253e0c9f9..d42132aad 100644
--- a/tests/Feature/CaptchaManagerTest.php
+++ b/tests/Feature/CaptchaManagerTest.php
@@ -6,6 +6,7 @@ use App\Services\Captcha\CapDriver;
 use App\Services\Captcha\CaptchaManager;
 use App\Services\Captcha\HCaptchaDriver;
 use App\Services\Captcha\TurnstileDriver;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\Test;
 use Tests\TestCase;
 
@@ -18,6 +19,10 @@ class CaptchaManagerTest extends TestCase
         return new CaptchaManager($this->app);
     }
 
+    // ---------------------------------------------------------------------
+    // Driver resolution
+    // ---------------------------------------------------------------------
+
     #[Test]
     public function it_resolves_the_hcaptcha_driver_by_default(): void
     {
@@ -30,25 +35,6 @@ class CaptchaManagerTest extends TestCase
         $this->assertSame('h-captcha-response', $driver->responseField());
     }
 
-    #[Test]
-    public function hcaptcha_is_configured_from_namespaced_keys(): void
-    {
-        config([
-            'captcha.driver' => 'hcaptcha',
-            'captcha.hcaptcha.secret' => 'a-real-secret',
-            'captcha.hcaptcha.sitekey' => 'a-real-sitekey',
-        ]);
-
-        $this->assertTrue($this->manager()->active()->isConfigured());
-
-        // Placeholder defaults should read as not configured.
-        config([
-            'captcha.hcaptcha.secret' => 'default_secret',
-            'captcha.hcaptcha.sitekey' => 'default_sitekey',
-        ]);
-        $this->assertFalse($this->manager()->active()->isConfigured());
-    }
-
     #[Test]
     public function it_resolves_the_turnstile_driver(): void
     {
@@ -73,12 +59,65 @@ class CaptchaManagerTest extends TestCase
         $this->assertSame('cap-token', $driver->responseField());
     }
 
+    #[Test]
+    public function it_falls_back_to_hcaptcha_for_unknown_or_empty_driver(): void
+    {
+        config(['captcha.driver' => null]);
+        $this->assertInstanceOf(HCaptchaDriver::class, $this->manager()->active());
+    }
+
+    #[Test]
+    #[DataProvider('driverProvider')]
+    public function it_resolves_each_driver_and_field(string $driver, string $class, string $field): void
+    {
+        config(['captcha.driver' => $driver]);
+
+        $resolved = $this->manager()->active();
+
+        $this->assertInstanceOf($class, $resolved);
+        $this->assertSame($driver, $resolved->name());
+        $this->assertSame($field, $resolved->responseField());
+    }
+
+    public static function driverProvider(): array
+    {
+        return [
+            'hcaptcha' => ['hcaptcha', HCaptchaDriver::class, 'h-captcha-response'],
+            'turnstile' => ['turnstile', TurnstileDriver::class, 'cf-turnstile-response'],
+            'cap' => ['cap', CapDriver::class, 'cap-token'],
+        ];
+    }
+
     #[Test]
     public function it_lists_available_drivers(): void
     {
         $this->assertSame(['hcaptcha', 'turnstile', 'cap'], $this->manager()->available());
     }
 
+    #[Test]
+    public function rules_use_the_active_drivers_response_field(): void
+    {
+        config(['captcha.driver' => 'cap', 'captcha.cap.token_field' => 'cap-token']);
+        $this->assertSame(['cap-token' => 'required|captcha_verify'], $this->manager()->rules());
+
+        config(['captcha.driver' => 'turnstile']);
+        $this->assertArrayHasKey('cf-turnstile-response', $this->manager()->rules());
+    }
+
+    // ---------------------------------------------------------------------
+    // enabled() / activeOn()
+    // ---------------------------------------------------------------------
+
+    #[Test]
+    public function enabled_reflects_the_global_toggle(): void
+    {
+        config(['captcha.enabled' => true]);
+        $this->assertTrue($this->manager()->enabled());
+
+        config(['captcha.enabled' => false]);
+        $this->assertFalse($this->manager()->enabled());
+    }
+
     #[Test]
     public function active_on_requires_the_global_toggle(): void
     {
@@ -112,41 +151,56 @@ class CaptchaManagerTest extends TestCase
     }
 
     #[Test]
-    public function cap_widget_defaults_to_latest_when_no_version_set(): void
+    public function active_on_returns_false_for_an_unknown_surface(): void
+    {
+        config(['captcha.enabled' => true]);
+        $this->assertFalse($this->manager()->activeOn('does_not_exist'));
+    }
+
+    // ---------------------------------------------------------------------
+    // hCaptcha driver
+    // ---------------------------------------------------------------------
+
+    #[Test]
+    public function hcaptcha_is_configured_from_namespaced_keys(): void
     {
         config([
-            'captcha.driver' => 'cap',
-            'captcha.cap.endpoint' => 'https://cap.example.com/site-key/',
-            'captcha.cap.widget_version' => null,
+            'captcha.driver' => 'hcaptcha',
+            'captcha.hcaptcha.secret' => 'a-real-secret',
+            'captcha.hcaptcha.sitekey' => 'a-real-sitekey',
         ]);
 
-        $scripts = $this->manager()->active()->scripts();
-
-        $this->assertStringContainsString('@cap.js/widget@latest', $scripts);
+        $this->assertTrue($this->manager()->active()->isConfigured());
     }
 
     #[Test]
-    public function cap_widget_loads_from_cdn_with_pinned_version(): void
+    public function hcaptcha_is_not_configured_with_placeholder_defaults(): void
     {
         config([
-            'captcha.driver' => 'cap',
-            'captcha.cap.endpoint' => 'https://cap.example.com/site-key/',
-            'captcha.cap.widget_version' => '0.1.57',
+            'captcha.driver' => 'hcaptcha',
+            'captcha.hcaptcha.secret' => 'default_secret',
+            'captcha.hcaptcha.sitekey' => 'default_sitekey',
         ]);
 
-        $driver = $this->manager()->active();
-        $scripts = $driver->scripts();
+        $this->assertFalse($this->manager()->active()->isConfigured());
+    }
 
-        $this->assertStringContainsString('cdn.jsdelivr.net/npm/@cap.js/widget@0.1.57', $scripts);
-        // Must not reference self-hosted assets anymore.
-        $this->assertStringNotContainsString('vendor/cap/', $scripts);
+    #[Test]
+    public function hcaptcha_is_not_configured_when_keys_are_empty(): void
+    {
+        config([
+            'captcha.driver' => 'hcaptcha',
+            'captcha.hcaptcha.secret' => '',
+            'captcha.hcaptcha.sitekey' => '',
+        ]);
 
-        $markup = $driver->render(['data-theme' => 'dark']);
-        $this->assertStringContainsString('<cap-widget', $markup);
-        $this->assertStringContainsString('data-cap-api-endpoint="https://cap.example.com/site-key/"', $markup);
-        $this->assertStringContainsString('data-cap-hidden-field-name="cap-token"', $markup);
+        $this->assertFalse($this->manager()->active()->isConfigured());
     }
 
+    // ---------------------------------------------------------------------
+    // Turnstile driver
+    // ---------------------------------------------------------------------
+
     #[Test]
     public function turnstile_renders_widget_with_sitekey(): void
     {
@@ -160,4 +214,188 @@ class CaptchaManagerTest extends TestCase
         $this->assertStringContainsString('cf-turnstile', $markup);
         $this->assertStringContainsString('data-sitekey="0xTESTSITEKEY"', $markup);
     }
+
+    #[Test]
+    public function turnstile_render_escapes_attributes(): void
+    {
+        config([
+            'captcha.driver' => 'turnstile',
+            'captcha.turnstile.sitekey' => '0xKEY',
+        ]);
+
+        $markup = $this->manager()->active()->render(['data-theme' => '"><script>x']);
+
+        $this->assertStringNotContainsString('<script>x', $markup);
+        $this->assertStringContainsString('&lt;script&gt;', $markup);
+    }
+
+    #[Test]
+    public function turnstile_scripts_reference_cloudflare(): void
+    {
+        config(['captcha.driver' => 'turnstile']);
+        $this->assertStringContainsString(
+            'challenges.cloudflare.com/turnstile/v0/api.js',
+            $this->manager()->active()->scripts()
+        );
+    }
+
+    #[Test]
+    public function turnstile_is_configured_only_with_both_keys(): void
+    {
+        config(['captcha.driver' => 'turnstile']);
+
+        config(['captcha.turnstile.sitekey' => null, 'captcha.turnstile.secret' => null]);
+        $this->assertFalse($this->manager()->active()->isConfigured());
+
+        config(['captcha.turnstile.sitekey' => 'k', 'captcha.turnstile.secret' => null]);
+        $this->assertFalse($this->manager()->active()->isConfigured());
+
+        config(['captcha.turnstile.sitekey' => 'k', 'captcha.turnstile.secret' => 's']);
+        $this->assertTrue($this->manager()->active()->isConfigured());
+    }
+
+    // ---------------------------------------------------------------------
+    // Cap driver — endpoint composition (base URL + sitekey)
+    // ---------------------------------------------------------------------
+
+    #[Test]
+    public function cap_composes_the_api_endpoint_from_base_url_and_sitekey(): void
+    {
+        config([
+            'captcha.driver' => 'cap',
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => '3c87a0e810',
+        ]);
+
+        $this->assertSame(
+            'https://cap.example.com/3c87a0e810/',
+            $this->manager()->active()->apiEndpoint()
+        );
+    }
+
+    #[Test]
+    public function cap_endpoint_composition_normalizes_slashes(): void
+    {
+        config([
+            'captcha.driver' => 'cap',
+            'captcha.cap.endpoint' => 'https://cap.example.com/',
+            'captcha.cap.sitekey' => '/abc/',
+        ]);
+
+        $this->assertSame(
+            'https://cap.example.com/abc/',
+            $this->manager()->active()->apiEndpoint()
+        );
+    }
+
+    #[Test]
+    public function cap_api_endpoint_is_empty_when_pieces_are_missing(): void
+    {
+        config(['captcha.driver' => 'cap']);
+
+        config(['captcha.cap.endpoint' => 'https://cap.example.com', 'captcha.cap.sitekey' => null]);
+        $this->assertSame('', $this->manager()->active()->apiEndpoint());
+
+        config(['captcha.cap.endpoint' => null, 'captcha.cap.sitekey' => 'abc']);
+        $this->assertSame('', $this->manager()->active()->apiEndpoint());
+    }
+
+    #[Test]
+    public function cap_is_configured_only_with_endpoint_sitekey_and_secret(): void
+    {
+        config(['captcha.driver' => 'cap']);
+
+        config([
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => null,
+            'captcha.cap.secret' => 'sk',
+        ]);
+        $this->assertFalse($this->manager()->active()->isConfigured());
+
+        config([
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => 'abc',
+            'captcha.cap.secret' => 'sk',
+        ]);
+        $this->assertTrue($this->manager()->active()->isConfigured());
+    }
+
+    #[Test]
+    public function cap_render_uses_composed_endpoint_and_token_field(): void
+    {
+        config([
+            'captcha.driver' => 'cap',
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => 'abc',
+            'captcha.cap.token_field' => 'cap-token',
+        ]);
+
+        $markup = $this->manager()->active()->render(['data-theme' => 'dark']);
+
+        $this->assertStringContainsString('<cap-widget', $markup);
+        $this->assertStringContainsString('data-cap-api-endpoint="https://cap.example.com/abc/"', $markup);
+        $this->assertStringContainsString('data-cap-hidden-field-name="cap-token"', $markup);
+        $this->assertStringContainsString('data-theme="dark"', $markup);
+    }
+
+    #[Test]
+    public function cap_respects_a_custom_token_field(): void
+    {
+        config([
+            'captcha.driver' => 'cap',
+            'captcha.cap.token_field' => 'my-cap-field',
+        ]);
+
+        $driver = $this->manager()->active();
+
+        $this->assertSame('my-cap-field', $driver->responseField());
+        $this->assertStringContainsString('data-cap-hidden-field-name="my-cap-field"', $driver->render());
+    }
+
+    // ---------------------------------------------------------------------
+    // Cap driver — CDN widget script
+    // ---------------------------------------------------------------------
+
+    #[Test]
+    public function cap_widget_defaults_to_latest_when_no_version_set(): void
+    {
+        config([
+            'captcha.driver' => 'cap',
+            'captcha.cap.widget_version' => null,
+        ]);
+
+        $this->assertStringContainsString(
+            '@cap.js/widget@latest',
+            $this->manager()->active()->scripts()
+        );
+    }
+
+    #[Test]
+    public function cap_widget_defaults_to_latest_when_version_is_blank(): void
+    {
+        config([
+            'captcha.driver' => 'cap',
+            'captcha.cap.widget_version' => '   ',
+        ]);
+
+        $this->assertStringContainsString(
+            '@cap.js/widget@latest',
+            $this->manager()->active()->scripts()
+        );
+    }
+
+    #[Test]
+    public function cap_widget_loads_from_cdn_with_pinned_version(): void
+    {
+        config([
+            'captcha.driver' => 'cap',
+            'captcha.cap.widget_version' => '0.1.57',
+        ]);
+
+        $scripts = $this->manager()->active()->scripts();
+
+        $this->assertStringContainsString('cdn.jsdelivr.net/npm/@cap.js/widget@0.1.57', $scripts);
+        // Must not reference the old self-hosted assets.
+        $this->assertStringNotContainsString('vendor/cap/', $scripts);
+    }
 }
diff --git a/tests/Feature/CaptchaVerificationTest.php b/tests/Feature/CaptchaVerificationTest.php
index 7ffd04cda..42dcb4537 100644
--- a/tests/Feature/CaptchaVerificationTest.php
+++ b/tests/Feature/CaptchaVerificationTest.php
@@ -2,6 +2,7 @@
 
 namespace Tests\Feature;
 
+use App\Services\Captcha\CapDriver;
 use App\Services\Captcha\TurnstileDriver;
 use Illuminate\Support\Facades\Http;
 use Illuminate\Support\Facades\Validator;
@@ -10,6 +11,10 @@ use Tests\TestCase;
 
 class CaptchaVerificationTest extends TestCase
 {
+    // ---------------------------------------------------------------------
+    // captcha_verify validation rule (driver-agnostic)
+    // ---------------------------------------------------------------------
+
     #[Test]
     public function captcha_verify_rule_fails_when_token_is_missing(): void
     {
@@ -70,6 +75,69 @@ class CaptchaVerificationTest extends TestCase
         $this->assertTrue($validator->fails());
     }
 
+    #[Test]
+    public function captcha_verify_rule_uses_the_active_driver_field(): void
+    {
+        // With the cap driver active, the rule should validate against the
+        // cap-token field pulled from the request, not the attribute name.
+        config([
+            'captcha.driver' => 'cap',
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => 'abc',
+            'captcha.cap.secret' => 'sk',
+        ]);
+        $this->app->forgetInstance('captcha.manager');
+
+        Http::fake([
+            'cap.example.com/*' => Http::response(['success' => true], 200),
+        ]);
+
+        $validator = Validator::make(
+            ['cap-token' => 'tok'],
+            ['cap-token' => 'required|captcha_verify']
+        );
+
+        $this->assertTrue($validator->passes());
+    }
+
+    // ---------------------------------------------------------------------
+    // Turnstile driver verify()
+    // ---------------------------------------------------------------------
+
+    #[Test]
+    public function turnstile_verify_returns_false_for_empty_token_without_calling_out(): void
+    {
+        config(['captcha.turnstile.secret' => 'sekret']);
+        Http::fake();
+
+        $this->assertFalse((new TurnstileDriver)->verify([]));
+        $this->assertFalse((new TurnstileDriver)->verify(['cf-turnstile-response' => '']));
+
+        Http::assertNothingSent();
+    }
+
+    #[Test]
+    public function turnstile_verify_true_on_success_response(): void
+    {
+        config(['captcha.turnstile.secret' => 'sekret']);
+        Http::fake([
+            'challenges.cloudflare.com/*' => Http::response(['success' => true], 200),
+        ]);
+
+        $this->assertTrue((new TurnstileDriver)->verify(['cf-turnstile-response' => 'tok']));
+    }
+
+    #[Test]
+    public function turnstile_verify_false_on_unsuccessful_response(): void
+    {
+        config(['captcha.turnstile.secret' => 'sekret']);
+        Http::fake([
+            'challenges.cloudflare.com/*' => Http::response(['success' => false, 'error-codes' => ['bad']], 200),
+        ]);
+
+        $this->assertFalse((new TurnstileDriver)->verify(['cf-turnstile-response' => 'tok']));
+    }
+
     #[Test]
     public function turnstile_fail_open_lets_requests_through_on_network_error(): void
     {
@@ -77,14 +145,11 @@ class CaptchaVerificationTest extends TestCase
             'captcha.turnstile.secret' => 'sekret',
             'captcha.turnstile.fail_open' => true,
         ]);
-
         Http::fake([
             'challenges.cloudflare.com/*' => Http::response('boom', 500),
         ]);
 
-        $driver = new TurnstileDriver;
-
-        $this->assertTrue($driver->verify(['cf-turnstile-response' => 'anything']));
+        $this->assertTrue((new TurnstileDriver)->verify(['cf-turnstile-response' => 'anything']));
     }
 
     #[Test]
@@ -94,21 +159,17 @@ class CaptchaVerificationTest extends TestCase
             'captcha.turnstile.secret' => 'sekret',
             'captcha.turnstile.fail_open' => false,
         ]);
-
         Http::fake([
             'challenges.cloudflare.com/*' => Http::response('boom', 500),
         ]);
 
-        $driver = new TurnstileDriver;
-
-        $this->assertFalse($driver->verify(['cf-turnstile-response' => 'anything']));
+        $this->assertFalse((new TurnstileDriver)->verify(['cf-turnstile-response' => 'anything']));
     }
 
     #[Test]
     public function turnstile_sends_secret_and_response(): void
     {
         config(['captcha.turnstile.secret' => 'my-secret']);
-
         Http::fake([
             'challenges.cloudflare.com/*' => Http::response(['success' => true], 200),
         ]);
@@ -121,4 +182,90 @@ class CaptchaVerificationTest extends TestCase
                 && $request['response'] === 'my-token';
         });
     }
+
+    // ---------------------------------------------------------------------
+    // Cap driver verify() — hits {endpoint}/{sitekey}/siteverify
+    // ---------------------------------------------------------------------
+
+    #[Test]
+    public function cap_verify_returns_false_for_empty_token(): void
+    {
+        config([
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => 'abc',
+            'captcha.cap.secret' => 'sk',
+        ]);
+        Http::fake();
+
+        $this->assertFalse((new CapDriver)->verify([]));
+        Http::assertNothingSent();
+    }
+
+    #[Test]
+    public function cap_verify_returns_false_when_not_configured(): void
+    {
+        config([
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => null, // missing -> apiEndpoint() empty
+            'captcha.cap.secret' => 'sk',
+        ]);
+        Http::fake();
+
+        $this->assertFalse((new CapDriver)->verify(['cap-token' => 'tok']));
+        Http::assertNothingSent();
+    }
+
+    #[Test]
+    public function cap_verify_posts_to_composed_siteverify_url(): void
+    {
+        config([
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => '3c87a0e810',
+            'captcha.cap.secret' => 'sk-secret',
+        ]);
+        Http::fake([
+            'cap.example.com/*' => Http::response(['success' => true], 200),
+        ]);
+
+        $this->assertTrue((new CapDriver)->verify(['cap-token' => 'the-token']));
+
+        Http::assertSent(function ($request) {
+            return $request->url() === 'https://cap.example.com/3c87a0e810/siteverify';
+        });
+    }
+
+    #[Test]
+    public function cap_verify_false_when_server_rejects(): void
+    {
+        config([
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => 'abc',
+            'captcha.cap.secret' => 'sk',
+        ]);
+        Http::fake([
+            'cap.example.com/*' => Http::response(['success' => false], 200),
+        ]);
+
+        $this->assertFalse((new CapDriver)->verify(['cap-token' => 'tok']));
+    }
+
+    #[Test]
+    public function cap_verify_uses_custom_token_field(): void
+    {
+        config([
+            'captcha.cap.endpoint' => 'https://cap.example.com',
+            'captcha.cap.sitekey' => 'abc',
+            'captcha.cap.secret' => 'sk',
+            'captcha.cap.token_field' => 'my-token',
+        ]);
+        Http::fake([
+            'cap.example.com/*' => Http::response(['success' => true], 200),
+        ]);
+
+        $driver = new CapDriver;
+
+        // The custom field carries the token; the default name is ignored.
+        $this->assertTrue($driver->verify(['my-token' => 'tok']));
+        $this->assertFalse($driver->verify(['cap-token' => 'tok']));
+    }
 }