diff --git a/api/app/Http/Controllers/Auth/RegisterController.php b/api/app/Http/Controllers/Auth/RegisterController.php
index 81675f61..447689a1 100644
--- a/api/app/Http/Controllers/Auth/RegisterController.php
+++ b/api/app/Http/Controllers/Auth/RegisterController.php
@@ -12,6 +12,7 @@ use Illuminate\Foundation\Auth\RegistersUsers;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Validator;
 use Illuminate\Validation\Rule;
+use App\Rules\ValidHCaptcha;
 
 class RegisterController extends Controller
 {
@@ -27,6 +28,9 @@ class RegisterController extends Controller
     public function __construct()
     {
         $this->middleware('guest');
+
+        $this->middleware('throttle:5,1')->only('register'); // 5 attempts per minute
+        $this->middleware('throttle:30,60')->only('register'); // 30 attempts per hour
     }
 
     /**
@@ -56,7 +60,7 @@ class RegisterController extends Controller
      */
     protected function validator(array $data)
     {
-        return Validator::make($data, [
+        $rules = [
             'name' => 'required|max:255',
             'email' => 'required|email:filter|max:255|unique:users|indisposable',
             'password' => 'required|min:6|confirmed',
@@ -64,8 +68,14 @@ class RegisterController extends Controller
             'agree_terms' => ['required', Rule::in([true])],
             'appsumo_license' => ['nullable'],
             'invite_token' => ['nullable', 'string'],
-            'utm_data' => ['nullable', 'array']
-        ], [
+            'utm_data' => ['nullable', 'array'],
+        ];
+
+        if (config('services.h_captcha.secret_key')) {
+            $rules['h-captcha-response'] = [new ValidHCaptcha()];
+        }
+
+        return Validator::make($data, $rules, [
             'agree_terms' => 'Please agree with the terms and conditions.',
         ]);
     }
@@ -84,6 +94,7 @@ class RegisterController extends Controller
             'password' => bcrypt($data['password']),
             'hear_about_us' => $data['hear_about_us'],
             'utm_data' => array_key_exists('utm_data', $data) ? $data['utm_data'] : null,
+            'meta' => ['registration_ip' => request()->ip()],
         ]);
 
         // Add relation with user
diff --git a/api/app/Http/Requests/Integration/FormIntegrationsRequest.php b/api/app/Http/Requests/Integration/FormIntegrationsRequest.php
index 128a4c0e..7856548e 100644
--- a/api/app/Http/Requests/Integration/FormIntegrationsRequest.php
+++ b/api/app/Http/Requests/Integration/FormIntegrationsRequest.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests\Integration;
 
+use App\Models\Forms\Form;
 use App\Models\Integration\FormIntegration;
 use App\Rules\IntegrationLogicRule;
 use Illuminate\Foundation\Http\FormRequest;
@@ -14,9 +15,11 @@ class FormIntegrationsRequest extends FormRequest
     public array $integrationRules = [];
 
     private ?string $integrationClassName = null;
+    private ?Form $form = null;
 
     public function __construct(Request $request)
     {
+        $this->form = Form::findOrFail(request()->route('id'));
         if ($request->integration_id) {
             // Load integration class, and get rules
             $integration = FormIntegration::getIntegration($request->integration_id);
@@ -77,7 +80,7 @@ class FormIntegrationsRequest extends FormRequest
 
     private function loadIntegrationRules()
     {
-        foreach ($this->integrationClassName::getValidationRules() as $key => $value) {
+        foreach ($this->integrationClassName::getValidationRules($this->form) as $key => $value) {
             $this->integrationRules['settings.' . $key] = $value;
         }
     }
diff --git a/api/app/Integrations/Handlers/AbstractIntegrationHandler.php b/api/app/Integrations/Handlers/AbstractIntegrationHandler.php
index 47fc78cb..cf90f267 100644
--- a/api/app/Integrations/Handlers/AbstractIntegrationHandler.php
+++ b/api/app/Integrations/Handlers/AbstractIntegrationHandler.php
@@ -94,7 +94,7 @@ abstract class AbstractIntegrationHandler
         Http::throw()->post($this->getWebhookUrl(), $this->getWebhookData());
     }
 
-    abstract public static function getValidationRules(): array;
+    abstract public static function getValidationRules(?Form $form): array;
 
     public static function isOAuthRequired(): bool
     {
diff --git a/api/app/Integrations/Handlers/DiscordIntegration.php b/api/app/Integrations/Handlers/DiscordIntegration.php
index 1a3fbaf1..e9977fd1 100644
--- a/api/app/Integrations/Handlers/DiscordIntegration.php
+++ b/api/app/Integrations/Handlers/DiscordIntegration.php
@@ -2,6 +2,7 @@
 
 namespace App\Integrations\Handlers;
 
+use App\Models\Forms\Form;
 use App\Open\MentionParser;
 use App\Service\Forms\FormSubmissionFormatter;
 use Illuminate\Support\Arr;
@@ -9,7 +10,7 @@ use Vinkla\Hashids\Facades\Hashids;
 
 class DiscordIntegration extends AbstractIntegrationHandler
 {
-    public static function getValidationRules(): array
+    public static function getValidationRules(?Form $form): array
     {
         return [
             'discord_webhook_url' => 'required|url|starts_with:https://discord.com/api/webhooks',
diff --git a/api/app/Integrations/Handlers/EmailIntegration.php b/api/app/Integrations/Handlers/EmailIntegration.php
index b20a31e7..834f63db 100644
--- a/api/app/Integrations/Handlers/EmailIntegration.php
+++ b/api/app/Integrations/Handlers/EmailIntegration.php
@@ -2,20 +2,23 @@
 
 namespace App\Integrations\Handlers;
 
+use App\Models\Forms\Form;
+use App\Models\Integration\FormIntegration;
 use App\Notifications\Forms\FormEmailNotification;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Notification;
 use App\Open\MentionParser;
 use App\Service\Forms\FormSubmissionFormatter;
+use Illuminate\Validation\ValidationException;
 
 class EmailIntegration extends AbstractEmailIntegrationHandler
 {
     public const RISKY_USERS_LIMIT = 120;
 
-    public static function getValidationRules(): array
+    public static function getValidationRules(?Form $form): array
     {
-        return [
-            'send_to' => 'required',
+        $rules = [
+            'send_to' => ['required'],
             'sender_name' => 'required',
             'sender_email' => 'email|nullable',
             'subject' => 'required',
@@ -24,6 +27,31 @@ class EmailIntegration extends AbstractEmailIntegrationHandler
             'include_hidden_fields_submission_data' => ['nullable', 'boolean'],
             'reply_to' => 'nullable',
         ];
+
+        if ($form->is_pro || config('app.self_hosted')) {
+            return $rules;
+        }
+
+        // Free plan users can only send to a single email address (avoid spam)
+        $rules['send_to'][] = function ($attribute, $value, $fail) use ($form) {
+            if (count(explode("\n", trim($value))) > 1 || count(explode(',', $value)) > 1) {
+                $fail('You can only send to a single email address on the free plan. Please upgrade to the Pro plan to create a new integration.');
+            }
+        };
+
+        // Free plan users can only have a single email integration per form (avoid spam)
+        if (!request()->route('integrationid')) {
+            $existingEmailIntegrations = FormIntegration::where('form_id', $form->id)
+                ->where('integration_id', 'email')
+                ->count();
+            if ($existingEmailIntegrations > 0) {
+                throw ValidationException::withMessages([
+                    'settings.send_to' => ['Free users are limited to 1 email integration per form.']
+                ]);
+            }
+        }
+
+        return $rules;
     }
 
     protected function shouldRun(): bool
diff --git a/api/app/Integrations/Handlers/GoogleSheetsIntegration.php b/api/app/Integrations/Handlers/GoogleSheetsIntegration.php
index d2fd3ff7..c903a79f 100644
--- a/api/app/Integrations/Handlers/GoogleSheetsIntegration.php
+++ b/api/app/Integrations/Handlers/GoogleSheetsIntegration.php
@@ -4,6 +4,7 @@ namespace App\Integrations\Handlers;
 
 use App\Events\Forms\FormSubmitted;
 use App\Integrations\Google\Google;
+use App\Models\Forms\Form;
 use App\Models\Integration\FormIntegration;
 use Exception;
 use Illuminate\Support\Facades\Log;
@@ -22,11 +23,9 @@ class GoogleSheetsIntegration extends AbstractIntegrationHandler
         $this->client = new Google($formIntegration);
     }
 
-    public static function getValidationRules(): array
+    public static function getValidationRules(?Form $form): array
     {
-        return [
-
-        ];
+        return [];
     }
 
     public static function isOAuthRequired(): bool
diff --git a/api/app/Integrations/Handlers/SlackIntegration.php b/api/app/Integrations/Handlers/SlackIntegration.php
index c34b664f..41978f08 100644
--- a/api/app/Integrations/Handlers/SlackIntegration.php
+++ b/api/app/Integrations/Handlers/SlackIntegration.php
@@ -2,6 +2,7 @@
 
 namespace App\Integrations\Handlers;
 
+use App\Models\Forms\Form;
 use App\Open\MentionParser;
 use App\Service\Forms\FormSubmissionFormatter;
 use Illuminate\Support\Arr;
@@ -9,7 +10,7 @@ use Vinkla\Hashids\Facades\Hashids;
 
 class SlackIntegration extends AbstractIntegrationHandler
 {
-    public static function getValidationRules(): array
+    public static function getValidationRules(?Form $form): array
     {
         return [
             'slack_webhook_url' => 'required|url|starts_with:https://hooks.slack.com/',
diff --git a/api/app/Integrations/Handlers/WebhookIntegration.php b/api/app/Integrations/Handlers/WebhookIntegration.php
index f5d98ec5..2d745743 100644
--- a/api/app/Integrations/Handlers/WebhookIntegration.php
+++ b/api/app/Integrations/Handlers/WebhookIntegration.php
@@ -2,9 +2,11 @@
 
 namespace App\Integrations\Handlers;
 
+use App\Models\Forms\Form;
+
 class WebhookIntegration extends AbstractIntegrationHandler
 {
-    public static function getValidationRules(): array
+    public static function getValidationRules(?Form $form): array
     {
         return [
             'webhook_url' => 'required|url'
diff --git a/api/app/Integrations/Handlers/ZapierIntegration.php b/api/app/Integrations/Handlers/ZapierIntegration.php
index 4a71ad40..c3c21884 100644
--- a/api/app/Integrations/Handlers/ZapierIntegration.php
+++ b/api/app/Integrations/Handlers/ZapierIntegration.php
@@ -3,6 +3,7 @@
 namespace App\Integrations\Handlers;
 
 use App\Events\Forms\FormSubmitted;
+use App\Models\Forms\Form;
 use App\Models\Integration\FormIntegration;
 use Exception;
 
@@ -16,7 +17,7 @@ class ZapierIntegration extends AbstractIntegrationHandler
         parent::__construct($event, $formIntegration, $integration);
     }
 
-    public static function getValidationRules(): array
+    public static function getValidationRules(?Form $form): array
     {
         return [];
     }
diff --git a/api/app/Models/User.php b/api/app/Models/User.php
index 3c5624cd..3180c1c1 100644
--- a/api/app/Models/User.php
+++ b/api/app/Models/User.php
@@ -33,6 +33,7 @@ class User extends Authenticatable implements JWTSubject
         'password',
         'hear_about_us',
         'utm_data',
+        'meta'
     ];
 
     /**
@@ -44,6 +45,7 @@ class User extends Authenticatable implements JWTSubject
         'password',
         'remember_token',
         'hear_about_us',
+        'meta'
     ];
 
     /**
@@ -56,6 +58,7 @@ class User extends Authenticatable implements JWTSubject
         return [
             'email_verified_at' => 'datetime',
             'utm_data' => 'array',
+            'meta' => 'array',
         ];
     }
 
diff --git a/api/database/migrations/2024_12_10_094605_add_meta_to_users_table.php b/api/database/migrations/2024_12_10_094605_add_meta_to_users_table.php
new file mode 100644
index 00000000..f92a2409
--- /dev/null
+++ b/api/database/migrations/2024_12_10_094605_add_meta_to_users_table.php
@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Query\Expression;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class () extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        $driver = DB::getDriverName();
+
+        Schema::table('users', function (Blueprint $table) use ($driver) {
+            if ($driver === 'mysql') {
+                $table->json('meta')->default(new Expression('(JSON_OBJECT())'));
+            } else {
+                $table->json('meta')->default('{}');
+            }
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropColumn('meta');
+        });
+    }
+};
diff --git a/api/phpunit.xml b/api/phpunit.xml
index 52e0c90b..b16ee9a2 100644
--- a/api/phpunit.xml
+++ b/api/phpunit.xml
@@ -27,6 +27,8 @@
     <env name="JWT_SECRET" value="9K6whOetAFaokQgSIdbMQZuJuDV5uS2Y"/>
     <env name="STRIPE_KEY" value="TEST_KEY"/>
     <env name="STRIPE_SECRET" value="TEST_SECRET"/>
+    <env name="H_CAPTCHA_SITE_KEY" value="TEST_SITE_KEY"/>
+    <env name="H_CAPTCHA_SECRET_KEY" value="TEST_SECRET"/>
   </php>
   <source>
     <include>
diff --git a/api/tests/Feature/Integrations/Email/EmailIntegrationTest.php b/api/tests/Feature/Integrations/Email/EmailIntegrationTest.php
new file mode 100644
index 00000000..241c5639
--- /dev/null
+++ b/api/tests/Feature/Integrations/Email/EmailIntegrationTest.php
@@ -0,0 +1,175 @@
+<?php
+
+use App\Models\Integration\FormIntegration;
+
+test('free user can create one email integration', function () {
+    $user = $this->actingAsUser();
+    $workspace = $this->createUserWorkspace($user);
+    $form = $this->createForm($user, $workspace);
+
+    // First email integration should succeed
+    $response = $this->postJson(route('open.forms.integration.create', $form), [
+        'integration_id' => 'email',
+        'status' => true,
+        'settings' => [
+            'send_to' => 'test@example.com',
+            'sender_name' => 'Test Sender',
+            'subject' => 'Test Subject',
+            'email_content' => 'Test Content',
+            'include_submission_data' => true
+        ]
+    ]);
+
+    $response->assertSuccessful();
+    expect(FormIntegration::where('form_id', $form->id)->count())->toBe(1);
+
+    // Second email integration should fail
+    $response = $this->postJson(route('open.forms.integration.create', $form), [
+        'integration_id' => 'email',
+        'status' => true,
+        'settings' => [
+            'send_to' => 'another@example.com',
+            'sender_name' => 'Test Sender',
+            'subject' => 'Test Subject',
+            'email_content' => 'Test Content',
+            'include_submission_data' => true
+        ]
+    ]);
+
+    $response->assertStatus(422)
+        ->assertJson([
+            'errors' => [
+                'settings.send_to' => ['Free users are limited to 1 email integration per form.']
+            ]
+        ]);
+});
+
+test('pro user can create multiple email integrations', function () {
+    $user = $this->actingAsProUser();
+    $workspace = $this->createUserWorkspace($user);
+    $form = $this->createForm($user, $workspace);
+
+    // First email integration
+    $response = $this->postJson(route('open.forms.integration.create', $form), [
+        'integration_id' => 'email',
+        'status' => true,
+        'settings' => [
+            'send_to' => 'test@example.com',
+            'sender_name' => 'Test Sender',
+            'subject' => 'Test Subject',
+            'email_content' => 'Test Content',
+            'include_submission_data' => true
+        ]
+    ]);
+
+    $response->assertSuccessful();
+
+    // Second email integration should also succeed for pro users
+    $response = $this->postJson(route('open.forms.integration.create', $form), [
+        'integration_id' => 'email',
+        'status' => true,
+        'settings' => [
+            'send_to' => 'another@example.com',
+            'sender_name' => 'Test Sender',
+            'subject' => 'Test Subject',
+            'email_content' => 'Test Content',
+            'include_submission_data' => true
+        ]
+    ]);
+
+    $response->assertSuccessful();
+    expect(FormIntegration::where('form_id', $form->id)->count())->toBe(2);
+});
+
+test('free user cannot add multiple emails', function () {
+    $user = $this->actingAsUser();
+    $workspace = $this->createUserWorkspace($user);
+    $form = $this->createForm($user, $workspace);
+
+    $response = $this->postJson(route('open.forms.integration.create', $form), [
+        'integration_id' => 'email',
+        'status' => true,
+        'settings' => [
+            'send_to' => "test@example.com\nanother@example.com",
+            'sender_name' => 'Test Sender',
+            'subject' => 'Test Subject',
+            'email_content' => 'Test Content',
+            'include_submission_data' => true
+        ]
+    ]);
+
+    $response->assertStatus(422)
+        ->assertJsonValidationErrors(['settings.send_to'])
+        ->assertJson([
+            'errors' => [
+                'settings.send_to' => ['You can only send to a single email address on the free plan. Please upgrade to the Pro plan to create a new integration.']
+            ]
+        ]);
+});
+
+test('pro user can add multiple emails', function () {
+    $user = $this->actingAsProUser();
+    $workspace = $this->createUserWorkspace($user);
+    $form = $this->createForm($user, $workspace);
+
+    $response = $this->postJson(route('open.forms.integration.create', $form), [
+        'integration_id' => 'email',
+        'status' => true,
+        'settings' => [
+            'send_to' => "test@example.com\nanother@example.com\nthird@example.com",
+            'sender_name' => 'Test Sender',
+            'subject' => 'Test Subject',
+            'email_content' => 'Test Content',
+            'include_submission_data' => true
+        ]
+    ]);
+
+    $response->assertSuccessful();
+
+    $integration = FormIntegration::where('form_id', $form->id)->first();
+    expect($integration)->not->toBeNull();
+    expect($integration->data->send_to)->toContain('test@example.com');
+    expect($integration->data->send_to)->toContain('another@example.com');
+    expect($integration->data->send_to)->toContain('third@example.com');
+});
+
+test('free user can update their single email integration', function () {
+    $user = $this->actingAsUser();
+    $workspace = $this->createUserWorkspace($user);
+    $form = $this->createForm($user, $workspace);
+
+    // Create initial integration
+    $response = $this->postJson(route('open.forms.integration.create', $form), [
+        'integration_id' => 'email',
+        'status' => true,
+        'settings' => [
+            'send_to' => 'test@example.com',
+            'sender_name' => 'Test Sender',
+            'subject' => 'Test Subject',
+            'email_content' => 'Test Content',
+            'include_submission_data' => true
+        ]
+    ]);
+
+    $response->assertSuccessful();
+    $integrationId = $response->json('form_integration.id');
+
+    // Update the integration
+    $response = $this->putJson(route('open.forms.integration.update', [$form, $integrationId]), [
+        'integration_id' => 'email',
+        'status' => true,
+        'settings' => [
+            'send_to' => 'updated@example.com',
+            'sender_name' => 'Updated Sender',
+            'subject' => 'Updated Subject',
+            'email_content' => 'Updated Content',
+            'include_submission_data' => true
+        ]
+    ]);
+
+    $response->assertSuccessful();
+
+    $integration = FormIntegration::find($integrationId);
+    expect($integration->data->send_to)->toBe('updated@example.com');
+    expect($integration->data->sender_name)->toBe('Updated Sender');
+});
diff --git a/api/tests/Feature/RegisterTest.php b/api/tests/Feature/RegisterTest.php
index 05a0277e..598374cd 100644
--- a/api/tests/Feature/RegisterTest.php
+++ b/api/tests/Feature/RegisterTest.php
@@ -1,8 +1,15 @@
 <?php
 
 use App\Models\User;
+use App\Rules\ValidHCaptcha;
+use Illuminate\Support\Facades\Http;
 
 it('can register', function () {
+
+    Http::fake([
+        ValidHCaptcha::H_CAPTCHA_VERIFY_URL => Http::response(['success' => true])
+    ]);
+
     $this->postJson('/register', [
         'name' => 'Test User',
         'email' => 'test@test.app',
@@ -10,13 +17,15 @@ it('can register', function () {
         'password' => 'secret',
         'password_confirmation' => 'secret',
         'agree_terms' => true,
+        'h-captcha-response' => 'test-token', // Mock token for testing
     ])
         ->assertSuccessful()
         ->assertJsonStructure(['id', 'name', 'email']);
-    $this->assertDatabaseHas('users', [
-        'name' => 'Test User',
-        'email' => 'test@test.app',
-    ]);
+
+    $user = User::where('email', 'test@test.app')->first();
+    expect($user)->not->toBeNull();
+    expect($user->meta)->toHaveKey('registration_ip');
+    expect($user->meta['registration_ip'])->toBe(request()->ip());
 });
 
 it('cannot register with existing email', function () {
@@ -27,12 +36,17 @@ it('cannot register with existing email', function () {
         'email' => 'test@test.app',
         'password' => 'secret',
         'password_confirmation' => 'secret',
+        'h-captcha-response' => 'test-token',
     ])
         ->assertStatus(422)
         ->assertJsonValidationErrors(['email']);
 });
 
 it('cannot register with disposable email', function () {
+    Http::fake([
+        ValidHCaptcha::H_CAPTCHA_VERIFY_URL => Http::response(['success' => true])
+    ]);
+
     // Select random email
     $email = [
         'dumliyupse@gufum.com',
@@ -48,6 +62,7 @@ it('cannot register with disposable email', function () {
         'password' => 'secret',
         'password_confirmation' => 'secret',
         'agree_terms' => true,
+        'h-captcha-response' => 'test-token',
     ])
         ->assertStatus(422)
         ->assertJsonValidationErrors(['email'])
@@ -60,3 +75,22 @@ it('cannot register with disposable email', function () {
             ],
         ]);
 });
+
+it('requires hcaptcha token in production', function () {
+    config(['services.h_captcha.secret_key' => 'test-key']);
+
+    Http::fake([
+        ValidHCaptcha::H_CAPTCHA_VERIFY_URL => Http::response(['success' => true])
+    ]);
+
+    $this->postJson('/register', [
+        'name' => 'Test User',
+        'email' => 'test@test.app',
+        'hear_about_us' => 'google',
+        'password' => 'secret',
+        'password_confirmation' => 'secret',
+        'agree_terms' => true,
+    ])
+        ->assertStatus(422)
+        ->assertJsonValidationErrors(['h-captcha-response']);
+});
diff --git a/api/tests/Feature/UserManagementTest.php b/api/tests/Feature/UserManagementTest.php
index 3113b4e2..e3b5531b 100644
--- a/api/tests/Feature/UserManagementTest.php
+++ b/api/tests/Feature/UserManagementTest.php
@@ -2,10 +2,15 @@
 
 use App\Models\UserInvite;
 use Carbon\Carbon;
+use App\Rules\ValidHCaptcha;
+use Illuminate\Support\Facades\Http;
 
 beforeEach(function () {
     $this->user = $this->actingAsProUser();
     $this->workspace = $this->createUserWorkspace($this->user);
+    Http::fake([
+        ValidHCaptcha::H_CAPTCHA_VERIFY_URL => Http::response(['success' => true])
+    ]);
 });
 
 
@@ -31,6 +36,7 @@ it('can register with invite token', function () {
         'password_confirmation' => 'secret',
         'agree_terms' => true,
         'invite_token' => $token,
+        'h-captcha-response' => 'test-token',
     ]);
     $response->assertSuccessful();
     expect($this->workspace->users()->count())->toBe(2);
@@ -59,6 +65,7 @@ it('cannot register with expired invite token', function () {
         'password_confirmation' => 'secret',
         'agree_terms' => true,
         'invite_token' => $token,
+        'h-captcha-response' => 'test-token',
     ]);
     $response->assertStatus(400)->assertJson([
         'message' => 'Invite token has expired.',
@@ -88,6 +95,7 @@ it('cannot re-register with accepted invite token', function () {
         'password_confirmation' => 'secret',
         'agree_terms' => true,
         'invite_token' => $token,
+        'h-captcha-response' => 'test-token',
     ]);
     $response->assertSuccessful();
     expect($this->workspace->users()->count())->toBe(2);
@@ -104,6 +112,7 @@ it('cannot re-register with accepted invite token', function () {
         'password_confirmation' => 'secret',
         'agree_terms' => true,
         'invite_token' => $token,
+        'h-captcha-response' => 'test-token',
     ]);
 
     $response->assertStatus(422)->assertJson([
@@ -138,6 +147,7 @@ it('can cancel user invite', function () {
         'password_confirmation' => 'secret',
         'agree_terms' => true,
         'invite_token' => $token,
+        'h-captcha-response' => 'test-token',
     ]);
     $response->assertStatus(400)->assertJson([
         'message' => 'Invite token is invalid.',
diff --git a/api/tests/TestCase.php b/api/tests/TestCase.php
index 6f91c23a..eed4d651 100644
--- a/api/tests/TestCase.php
+++ b/api/tests/TestCase.php
@@ -4,10 +4,19 @@ namespace Tests;
 
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
+use Illuminate\Routing\Middleware\ThrottleRequests;
 
 abstract class TestCase extends BaseTestCase
 {
     use CreatesApplication;
     use RefreshDatabase;
     use TestHelpers;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->withoutMiddleware(
+            ThrottleRequests::class
+        );
+    }
 }
diff --git a/client/components/open/integrations/components/IntegrationModal.vue b/client/components/open/integrations/components/IntegrationModal.vue
index 3531861d..ddd2bad8 100644
--- a/client/components/open/integrations/components/IntegrationModal.vue
+++ b/client/components/open/integrations/components/IntegrationModal.vue
@@ -27,6 +27,7 @@
       <div class="flex justify-center gap-x-2">
         <v-button
           class="px-8"
+          :loading="loading"
           @click.prevent="save"
         >
           Save
@@ -55,6 +56,7 @@ const props = defineProps({
 
 const alert = useAlert()
 const emit = defineEmits(["close"])
+const loading = ref(false)
 
 const formIntegrationsStore = useFormIntegrationsStore()
 const formIntegration = computed(() =>
@@ -98,7 +100,8 @@ const initIntegrationData = () => {
 initIntegrationData()
 
 const save = () => {
-  if (!integrationData.value) return
+  if (!integrationData.value || loading.value) return
+  loading.value = true
   integrationData.value
     .submit(
       props.formIntegrationId ? "PUT" : "POST",
@@ -117,5 +120,8 @@ const save = () => {
         alert.error("An error occurred while saving the integration")
       }
     })
+    .finally(() => {
+      loading.value = false
+    })
 }
 </script>
diff --git a/client/components/pages/auth/components/RegisterForm.vue b/client/components/pages/auth/components/RegisterForm.vue
index d927b762..01dd3538 100644
--- a/client/components/pages/auth/components/RegisterForm.vue
+++ b/client/components/pages/auth/components/RegisterForm.vue
@@ -52,6 +52,21 @@
         label="Confirm Password"
       />
 
+      <!-- hCaptcha -->
+      <div
+        v-if="hCaptchaSiteKey"
+        class="mb-3 px-2 mt-2 mx-auto w-max"
+      >
+        <vue-hcaptcha
+          ref="hcaptcha"
+          :sitekey="hCaptchaSiteKey"
+        />
+        <has-error
+          :form="form"
+          field-id="h-captcha-response"
+        />
+      </div>
+
       <checkbox-input
         :form="form"
         name="agree_terms"
@@ -125,11 +140,12 @@
 
 <script>
 import {opnFetch} from "~/composables/useOpnApi.js"
-import {fetchAllWorkspaces} from "~/stores/workspaces.js"
+import { fetchAllWorkspaces } from "~/stores/workspaces.js"
+import VueHcaptcha from '@hcaptcha/vue3-hcaptcha'
 
 export default {
   name: "RegisterForm",
-  components: {},
+  components: {VueHcaptcha},
   props: {
     isQuick: {
       type: Boolean,
@@ -146,6 +162,7 @@ export default {
       formsStore: useFormsStore(),
       workspaceStore: useWorkspacesStore(),
       providersStore: useOAuthProvidersStore(),
+      runtimeConfig: useRuntimeConfig(),
       logEvent: useAmplitude().logEvent,
       $utm
     }
@@ -159,12 +176,17 @@ export default {
       password_confirmation: "",
       agree_terms: false,
       appsumo_license: null,
-      utm_data: null
+      utm_data: null,
+      'h-captcha-response': null
     }),
-    disableEmail:false
+    disableEmail: false,
+    hcaptcha: null
   }),
 
   computed: {
+    hCaptchaSiteKey() {
+      return this.runtimeConfig.public.hCaptchaSiteKey
+    },
     hearAboutUsOptions() {
       const options = [
         {name: "Facebook", value: "facebook"},
@@ -187,6 +209,10 @@ export default {
   },
 
   mounted() {
+    if (this.hCaptchaSiteKey) {
+      this.hcaptcha = this.$refs.hcaptcha
+    }
+
     // Set appsumo license
     if (
       this.$route.query.appsumo_license !== undefined &&
@@ -208,6 +234,10 @@ export default {
     async register() {
       let data
       this.form.utm_data = this.$utm.value
+      if (this.hCaptchaSiteKey) {
+        this.form['h-captcha-response'] = document.getElementsByName('h-captcha-response')[0].value
+        this.hcaptcha.reset()
+      }
       try {
         // Register the user.
         data = await this.form.post("/register")