diff --git a/app/app/Http/Controllers/Api/AdminDashboardController.php b/app/app/Http/Controllers/Api/AdminDashboardController.php
index 758c947b..91641343 100644
--- a/app/app/Http/Controllers/Api/AdminDashboardController.php
+++ b/app/app/Http/Controllers/Api/AdminDashboardController.php
@@ -407,7 +407,7 @@ class AdminDashboardController extends Controller
     /** Известные сервисы плитки — фильтр от осиротевших строк (jivosite и пр.). */
     private const KNOWN_SERVICE_KEYS = [
         'dadata', 'supplier', 'yandex_cloud', 'email', 'yookassa', 'captcha',
-        'aitunnel', 'exa', 'xfetch', 'self_render', 'sales_finder', 'exa_tunnel',
+        'aitunnel', 'exa', 'xfetch', 'keyso', 'self_render', 'sales_finder', 'exa_tunnel',
     ];
 
     /**
diff --git a/app/app/Services/External/ExternalBalanceRefresher.php b/app/app/Services/External/ExternalBalanceRefresher.php
index aa69b607..d3a8080b 100644
--- a/app/app/Services/External/ExternalBalanceRefresher.php
+++ b/app/app/Services/External/ExternalBalanceRefresher.php
@@ -35,7 +35,7 @@ class ExternalBalanceRefresher
 
     /**
      * Реестр: service_key => [kind, heavy, class]. kind: 'balance' | 'liveness'.
-     * heavy=true только у supplier (робот-браузер). 11 сервисов (Task 9, 16.07.2026).
+     * heavy=true только у supplier (робот-браузер). 13 ключей (16.07.2026: +keyso, xfetch→liveness).
      *
      * @return array<string,array{kind:string,heavy:bool,class:class-string}>
      */
@@ -54,6 +54,7 @@ class ExternalBalanceRefresher
             'self_render' => ['kind' => 'liveness', 'heavy' => false, 'class' => SelfRenderLivenessProbe::class],
             'sales_finder' => ['kind' => 'liveness', 'heavy' => false, 'class' => SalesFinderLivenessProbe::class],
             'exa_tunnel' => ['kind' => 'liveness', 'heavy' => false, 'class' => ExaTunnelLivenessProbe::class],
+            'keyso' => ['kind' => 'liveness', 'heavy' => false, 'class' => KeysoLivenessProbe::class],
         ];
     }
 
@@ -221,6 +222,7 @@ class ExternalBalanceRefresher
             app(SalesFinderLivenessProbe::class),
             app(ExaTunnelLivenessProbe::class),
             app(XfetchLivenessProbe::class),
+            app(KeysoLivenessProbe::class),
         ];
     }
 
diff --git a/app/app/Services/External/KeysoLivenessProbe.php b/app/app/Services/External/KeysoLivenessProbe.php
new file mode 100644
index 00000000..d97939af
--- /dev/null
+++ b/app/app/Services/External/KeysoLivenessProbe.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\External;
+
+use Illuminate\Support\Facades\Http;
+
+/**
+ * Живость Keyso (api.keys.so) — разведка рекламы, зависимость службы «Поиск клиентов».
+ * Токен у sales-finder, портал лишь пингует хост: ответил (<500) = keys.so жив; 5xx/обрыв
+ * = мёртв. Денег не тратит. Пустой base_url → grey.
+ */
+class KeysoLivenessProbe implements LivenessProbe
+{
+    public function serviceKey(): string
+    {
+        return 'keyso';
+    }
+
+    public function check(): LivenessReading
+    {
+        $base = (string) config('services.keyso.base_url', '');
+        if ($base === '') {
+            return LivenessReading::unknown('keyso', 'не настроено');
+        }
+        try {
+            $resp = Http::timeout(8)->get(rtrim($base, '/').'/');
+
+            return $resp->status() < 500
+                ? LivenessReading::alive('keyso', 'keys.so отвечает')
+                : LivenessReading::down('keyso', 'HTTP '.$resp->status());
+        } catch (\Throwable $e) {
+            return LivenessReading::down('keyso', $e->getMessage());
+        }
+    }
+}
diff --git a/app/config/services.php b/app/config/services.php
index e13f10a8..7db0dc2b 100644
--- a/app/config/services.php
+++ b/app/config/services.php
@@ -270,4 +270,11 @@ return [
         'health_path' => env('SALES_FINDER_HEALTH_PATH', ''),
     ],
 
+    // Плитка балансов (16.07): Keyso (keys.so) — разведка рекламы, зависимость службы
+    // «Поиск клиентов» (/opt/sales-finder держит токен). Портал только проверяет живость
+    // хоста (пинг api.keys.so, <500 = жив), денег/токена не нужно.
+    'keyso' => [
+        'base_url' => env('KEYSO_BASE_URL', 'https://api.keys.so'),
+    ],
+
 ];
diff --git a/app/tests/Unit/External/ExternalBalanceRefresherTest.php b/app/tests/Unit/External/ExternalBalanceRefresherTest.php
index bd7d59f3..e06fae1a 100644
--- a/app/tests/Unit/External/ExternalBalanceRefresherTest.php
+++ b/app/tests/Unit/External/ExternalBalanceRefresherTest.php
@@ -101,23 +101,23 @@ it('sendAlerts=true шлёт письмо на переход green→red (св
     Mail::assertSent(ExternalServiceDownMail::class, 1);
 });
 
-it('allKeys содержит 12 сервисов и refresh(allKeys) их пишет', function () {
+it('allKeys содержит 13 сервисов и refresh(allKeys) их пишет', function () {
     config()->set('services.aitunnel.key', 'k');
     config()->set('services.aitunnel.balance_url', '');
     config()->set('services.exa.key', 'k');
     config()->set('services.exa.balance_url', '');
-    config()->set('services.xfetch.key', 'k');
-    config()->set('services.xfetch.balance_url', '');
+    config()->set('services.xfetch.endpoint', 'https://xf4.ru/fetch');
+    config()->set('services.keyso.base_url', 'https://api.keys.so');
     config()->set('services.self_render.health_url', 'https://vm.local/h');
     config()->set('services.sales_finder.base_url', 'https://lk.liderra.ru/finder/');
     config()->set('services.exa.proxy', 'socks5h://127.0.0.1:10808');
     Http::fake(['*' => Http::response('ok', 200)]);
 
     $refresher = app(ExternalBalanceRefresher::class);
-    expect($refresher->allKeys())->toHaveCount(12);
+    expect($refresher->allKeys())->toHaveCount(13);
     $refresher->refresh($refresher->allKeys(), force: true, sendAlerts: false);
     $keys = DB::connection('pgsql_supplier')->table('external_service_balances')->pluck('service_key');
-    foreach (['aitunnel', 'exa', 'xfetch', 'self_render', 'sales_finder', 'exa_tunnel'] as $k) {
+    foreach (['aitunnel', 'exa', 'xfetch', 'keyso', 'self_render', 'sales_finder', 'exa_tunnel'] as $k) {
         expect($keys)->toContain($k);
     }
 });
diff --git a/app/tests/Unit/External/KeysoLivenessProbeTest.php b/app/tests/Unit/External/KeysoLivenessProbeTest.php
new file mode 100644
index 00000000..4a409375
--- /dev/null
+++ b/app/tests/Unit/External/KeysoLivenessProbeTest.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+use App\Services\External\KeysoLivenessProbe;
+use Illuminate\Support\Facades\Http;
+use Tests\TestCase;
+
+uses(TestCase::class);
+
+beforeEach(fn () => config()->set('services.keyso.base_url', 'https://api.keys.so'));
+
+it('зелёный при 200', function () {
+    Http::fake(['api.keys.so/*' => Http::response('ok', 200)]);
+    expect((new KeysoLivenessProbe)->check()->light)->toBe('green');
+});
+
+it('зелёный при 404 (хост достучались — keys.so жив)', function () {
+    Http::fake(['api.keys.so/*' => Http::response('Not Found', 404)]);
+    expect((new KeysoLivenessProbe)->check()->light)->toBe('green');
+});
+
+it('красный при 5xx и при обрыве', function () {
+    Http::fake(['api.keys.so/*' => Http::response('err', 503)]);
+    expect((new KeysoLivenessProbe)->check()->light)->toBe('red');
+    Http::fake(fn () => throw new RuntimeException('down'));
+    expect((new KeysoLivenessProbe)->check()->light)->toBe('red');
+});
+
+it('серый, когда base_url пуст', function () {
+    config()->set('services.keyso.base_url', '');
+    expect((new KeysoLivenessProbe)->check()->light)->toBe('grey');
+});
+
+it('serviceKey = keyso', function () {
+    expect((new KeysoLivenessProbe)->serviceKey())->toBe('keyso');
+});
diff --git a/docs/observer/STATUS.md b/docs/observer/STATUS.md
index ee644000..905ba6e2 100644
--- a/docs/observer/STATUS.md
+++ b/docs/observer/STATUS.md
@@ -1,6 +1,6 @@
 # Brain Status (auto-generated)
 
-Last updated: 2026-07-16T13:56:25.750Z
+Last updated: 2026-07-16T14:00:21.940Z
 
 | Контролёр | Состояние | Детали |
 |---|---|---|
@@ -112,8 +112,8 @@ Episodes since last run: 542 / threshold: 10
 
 | PID | Имя | CPU-время | Возраст |
 |---|---|---|---|
-| 3488 | MsMpEng | 10.45ч | NaNч |
-| 9756 | Code | 5.90ч | NaNч |
+| 3488 | MsMpEng | 10.48ч | NaNч |
+| 9756 | Code | 5.92ч | 14477104.5ч |
 | 1320 | svchost | 2.35ч | 0.0ч |
 
 ⚠️ Проверь, не «осиротевшие» ли это процессы от завершённых Claude-сессий.