diff --git a/lib/RetailCrm/Client/ApiVersion5.php b/lib/RetailCrm/Client/ApiVersion5.php
index b9af3d6..c4fd5c0 100644
--- a/lib/RetailCrm/Client/ApiVersion5.php
+++ b/lib/RetailCrm/Client/ApiVersion5.php
@@ -44,6 +44,7 @@ class ApiVersion5 extends AbstractLoader
     use V5\Delivery;
     use V5\Files;
     use V5\Module;
+    use V5\Notifications;
     use V5\Orders;
     use V5\Packs;
     use V5\References;
diff --git a/lib/RetailCrm/Methods/V5/Notifications.php b/lib/RetailCrm/Methods/V5/Notifications.php
new file mode 100644
index 0000000..e3121eb
--- /dev/null
+++ b/lib/RetailCrm/Methods/V5/Notifications.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace RetailCrm\Methods\V5;
+
+use RetailCrm\Response\ApiResponse;
+
+trait Notifications
+{
+    protected static $allowedTypes = ['api.info', 'api.error'];
+
+    /**
+     * @return ApiResponse
+     */
+    public function sendNotification(array $notification)
+    {
+        if (empty($notification['type']) || !in_array($notification['type'], self::$allowedTypes, true)) {
+            throw new \InvalidArgumentException(
+                'Parameter `type` must be not empty & must be equal one of these values: api.info|api.error'
+            );
+        }
+
+        if (empty($notification['message'])) {
+            throw new \InvalidArgumentException(
+                'Parameter `message` should not be blank'
+            );
+        }
+
+        if (empty($notification['userGroups']) && empty($notification['userIds'])) {
+            throw new \InvalidArgumentException(
+                'One of the parameters must be filled: `userGroups` or `userIds`'
+            );
+        }
+
+        if (!empty($notification['userGroups']) && !empty($notification['userIds'])) {
+            throw new \InvalidArgumentException(
+                'Only one of the two fields must be set: `userIds`, `userGroups`'
+            );
+        }
+
+        /** @noinspection PhpUndefinedMethodInspection */
+        return $this->client->makeRequest(
+            "/notifications/send",
+            "POST",
+            ['notification' => \json_encode($notification, JSON_UNESCAPED_SLASHES)]
+        );
+    }
+}
diff --git a/tests/RetailCrm/Tests/Methods/Version5/ApiClientNotificationsTest.php b/tests/RetailCrm/Tests/Methods/Version5/ApiClientNotificationsTest.php
new file mode 100644
index 0000000..c214953
--- /dev/null
+++ b/tests/RetailCrm/Tests/Methods/Version5/ApiClientNotificationsTest.php
@@ -0,0 +1,106 @@
+<?php
+
+namespace RetailCrm\Tests\Methods\Version5;
+
+use RetailCrm\Test\TestCase;
+
+class ApiClientNotificationsTest extends TestCase
+{
+    /**
+     * @dataProvider notificationsProvider
+     *
+     * @group notifications_v5
+     *
+     * @param callable    $getNotification
+     * @param string|null $exceptionClass
+     *
+     * @return void
+     */
+    public function testSendNotification(callable $getNotification, $exceptionClass)
+    {
+        $client = static::getApiClient();
+        if (!empty($exceptionClass)) {
+            $this->expectException($exceptionClass);
+        }
+        $response = $client->request->sendNotification($getNotification());
+        if (empty($exceptionClass)) {
+            static::assertTrue(in_array($response->getStatusCode(), [200, 201]));
+            static::assertTrue($response->isSuccessful());
+        }
+    }
+
+    /**
+     * @return array[]
+     */
+    public function notificationsProvider()
+    {
+        return [
+            'error_type' => [
+                static function () {
+                    $notification = self::getErrorNotification();
+                    $notification['type'] = 'another';
+
+                    return $notification;
+                },
+                'InvalidArgumentException',
+            ],
+            'error_message' => [
+                static function () {
+                    $notification = self::getErrorNotification();
+                    $notification['message'] = [];
+
+                    return $notification;
+                },
+                'InvalidArgumentException',
+            ],
+            'error_users_empty' => [
+                static function () {
+                    $notification = self::getErrorNotification();
+                    $notification['userGroups'] = [];
+                    $notification['userIds'] = [];
+
+                    return $notification;
+                },
+                'InvalidArgumentException',
+            ],
+            'error_users_filled' => [
+                static function () {
+                    return self::getErrorNotification();;
+                },
+                'InvalidArgumentException',
+            ],
+            'success_group' => [
+                static function () {
+                    $notification = self::getErrorNotification();
+                    unset($notification['userIds']);
+
+                    return $notification;
+                },
+                null,
+            ],
+            'success_ids' => [
+                static function () {
+                    $notification = self::getErrorNotification();
+                    unset($notification['userGroups']);
+
+                    return $notification;
+                },
+                null,
+            ],
+        ];
+    }
+
+    /**
+     * @return array
+     */
+    protected static function getErrorNotification()
+    {
+        return [
+            'type' => 'api.error',
+            'userIds' => [1],
+            'userGroups' => ['superadmins'],
+            'message' => '<a href="/admin/integration/moysklad2/edit">[Модуль МойСклад]</a>
+Возникли проблемы при проверке доступов входа. Введен неверный логин/пароль, проверьте корректность введенных данных.',
+        ];
+    }
+}