diff --git a/mpt_api_client/mpt_client.py b/mpt_api_client/mpt_client.py
index 802da1a..e639190 100644
--- a/mpt_api_client/mpt_client.py
+++ b/mpt_api_client/mpt_client.py
@@ -8,10 +8,12 @@
     AsyncBilling,
     AsyncCatalog,
     AsyncCommerce,
+    AsyncNotifications,
     Audit,
     Billing,
     Catalog,
     Commerce,
+    Notifications,
 )
 
 
@@ -63,6 +65,11 @@ def accounts(self) -> AsyncAccounts:
         """Accounts MPT API Client."""
         return AsyncAccounts(http_client=self.http_client)
 
+    @property
+    def notifications(self) -> AsyncNotifications:
+        """Notifications MPT API Client."""
+        return AsyncNotifications(http_client=self.http_client)
+
 
 class MPTClient:
     """MPT API Client."""
@@ -116,3 +123,8 @@ def billing(self) -> Billing:
     def accounts(self) -> Accounts:
         """Accounts MPT API Client."""
         return Accounts(http_client=self.http_client)
+
+    @property
+    def notifications(self) -> Notifications:
+        """Notifications MPT API Client."""
+        return Notifications(http_client=self.http_client)
diff --git a/mpt_api_client/resources/__init__.py b/mpt_api_client/resources/__init__.py
index 74dd4ff..0231606 100644
--- a/mpt_api_client/resources/__init__.py
+++ b/mpt_api_client/resources/__init__.py
@@ -3,6 +3,7 @@
 from mpt_api_client.resources.billing import AsyncBilling, Billing
 from mpt_api_client.resources.catalog import AsyncCatalog, Catalog
 from mpt_api_client.resources.commerce import AsyncCommerce, Commerce
+from mpt_api_client.resources.notifications import AsyncNotifications, Notifications
 
 __all__ = [  # noqa: WPS410
     "Accounts",
@@ -11,8 +12,10 @@
     "AsyncBilling",
     "AsyncCatalog",
     "AsyncCommerce",
+    "AsyncNotifications",
     "Audit",
     "Billing",
     "Catalog",
     "Commerce",
+    "Notifications",
 ]
diff --git a/mpt_api_client/resources/notifications/__init__.py b/mpt_api_client/resources/notifications/__init__.py
new file mode 100644
index 0000000..0fc709e
--- /dev/null
+++ b/mpt_api_client/resources/notifications/__init__.py
@@ -0,0 +1,3 @@
+from mpt_api_client.resources.notifications.notifications import AsyncNotifications, Notifications
+
+__all__ = ["AsyncNotifications", "Notifications"]  # noqa: WPS410
diff --git a/mpt_api_client/resources/notifications/categories.py b/mpt_api_client/resources/notifications/categories.py
new file mode 100644
index 0000000..67bb8da
--- /dev/null
+++ b/mpt_api_client/resources/notifications/categories.py
@@ -0,0 +1,71 @@
+from mpt_api_client.http import AsyncService, CreateMixin, Service
+from mpt_api_client.http.mixins import AsyncDeleteMixin, AsyncUpdateMixin, DeleteMixin, UpdateMixin
+from mpt_api_client.models import Model, ResourceData
+
+
+class Category(Model):
+    """Notifications Category resource."""
+
+
+class CategoriesServiceConfig:
+    """Notifications Categories service configuration."""
+
+    _endpoint = "/public/v1/notifications/categories"
+    _model_class = Category
+    _collection_key = "data"
+
+
+class CategoriesService(
+    CreateMixin[Category],
+    UpdateMixin[Category],
+    DeleteMixin,
+    Service[Category],
+    CategoriesServiceConfig,
+):
+    """Notifications Categories service."""
+
+    def publish(self, resource_id: str, resource_data: ResourceData | None = None) -> Model:
+        """Update state to Published.
+
+        Args:
+            resource_id: Resource ID
+            resource_data: Resource data will be updated
+        """
+        return self._resource_action(resource_id, "POST", "publish", json=resource_data)
+
+    def unpublish(self, resource_id: str, resource_data: ResourceData | None = None) -> Model:
+        """Update state to Unpublished.
+
+        Args:
+            resource_id: Resource ID
+            resource_data: Resource data will be updated
+        """
+        return self._resource_action(resource_id, "POST", "unpublish", json=resource_data)
+
+
+class AsyncCategoriesService(
+    CreateMixin[Category],
+    AsyncUpdateMixin[Category],
+    AsyncDeleteMixin,
+    AsyncService[Category],
+    CategoriesServiceConfig,
+):
+    """Async Notifications Categories service."""
+
+    async def publish(self, resource_id: str, resource_data: ResourceData | None = None) -> Model:
+        """Update state to Published.
+
+        Args:
+            resource_id: Resource ID
+            resource_data: Resource data will be updated
+        """
+        return await self._resource_action(resource_id, "POST", "publish", json=resource_data)
+
+    async def unpublish(self, resource_id: str, resource_data: ResourceData | None = None) -> Model:
+        """Update state to Unpublished.
+
+        Args:
+            resource_id: Resource ID
+            resource_data: Resource data will be updated
+        """
+        return await self._resource_action(resource_id, "POST", "unpublish", json=resource_data)
diff --git a/mpt_api_client/resources/notifications/notifications.py b/mpt_api_client/resources/notifications/notifications.py
new file mode 100644
index 0000000..2a1778d
--- /dev/null
+++ b/mpt_api_client/resources/notifications/notifications.py
@@ -0,0 +1,29 @@
+from mpt_api_client.http import AsyncHTTPClient, HTTPClient
+from mpt_api_client.resources.notifications.categories import (
+    AsyncCategoriesService,
+    CategoriesService,
+)
+
+
+class Notifications:
+    """Notifications MPT API Module."""
+
+    def __init__(self, http_client: HTTPClient):
+        self.http_client = http_client
+
+    @property
+    def categories(self) -> CategoriesService:
+        """Categories service."""
+        return CategoriesService(http_client=self.http_client)
+
+
+class AsyncNotifications:
+    """Notifications MPT API Module."""
+
+    def __init__(self, http_client: AsyncHTTPClient):
+        self.http_client = http_client
+
+    @property
+    def categories(self) -> AsyncCategoriesService:
+        """Categories service."""
+        return AsyncCategoriesService(http_client=self.http_client)
diff --git a/setup.cfg b/setup.cfg
index ad8d96b..4f1ca68 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -33,12 +33,14 @@ extend-ignore =
 
 per-file-ignores =
   mpt_api_client/resources/accounts/*.py: WPS215
+  mpt_api_client/mpt_client.py: WPS214 WPS235
   mpt_api_client/resources/audit/*.py: WPS215
   mpt_api_client/resources/billing/*.py: WPS215 WPS202 WPS214 WPS204
   mpt_api_client/resources/catalog/*.py: WPS110 WPS215 WPS214
   mpt_api_client/resources/commerce/*.py: WPS215
   mpt_api_client/rql/query_builder.py: WPS110 WPS115 WPS210 WPS214
   mpt_api_client/resources/catalog/products.py: WPS204 WPS214 WPS215
+  mpt_api_client/resources/notifications/categories.py: WPS215
   mpt_api_client/http/mixins.py: WPS202
   mpt_api_client/mpt_client.py: WPS235
   tests/http/test_async_service.py: WPS204 WPS202
@@ -46,7 +48,7 @@ per-file-ignores =
   tests/http/test_mixins.py: WPS204 WPS202
   tests/resources/catalog/test_products.py: WPS202 WPS210
   tests/resources/*/test_mixins.py: WPS118 WPS202 WPS204
-  tests/test_mpt.py: WPS210 WPS218 WPS235
+  tests/test_mpt_client.py: WPS235
 
   tests/*:
     # Allow magic strings.
diff --git a/tests/resources/notifications/test_categories.py b/tests/resources/notifications/test_categories.py
new file mode 100644
index 0000000..878dd5e
--- /dev/null
+++ b/tests/resources/notifications/test_categories.py
@@ -0,0 +1,75 @@
+import httpx
+import pytest
+import respx
+
+from mpt_api_client.resources.notifications.categories import (
+    AsyncCategoriesService,
+    CategoriesService,
+)
+
+
+@pytest.fixture
+def categories_service(http_client):
+    return CategoriesService(http_client=http_client)
+
+
+@pytest.fixture
+def async_categories_service(async_http_client):
+    return AsyncCategoriesService(http_client=async_http_client)
+
+
+@pytest.mark.parametrize(
+    ("action", "input_status"),
+    [
+        ("publish", {"id": "CAT-123", "status": "to_publish"}),
+        ("unpublish", {"id": "CAT-123", "status": "to_unpublish"}),
+    ],
+)
+def test_custom_category_actions(categories_service, action, input_status):
+    request_expected_content = b'{"id":"CAT-123","status":"%s"}' % input_status["status"].encode()
+    response_expected_data = {"id": "CAT-123", "status": "new_status"}
+    with respx.mock:
+        mock_route = respx.post(
+            f"https://api.example.com/public/v1/notifications/categories/CAT-123/{action}"
+        ).mock(
+            return_value=httpx.Response(
+                status_code=200,
+                headers={"content-type": "application/json"},
+                json=response_expected_data,
+            )
+        )
+        category = getattr(categories_service, action)("CAT-123", input_status)
+
+        assert mock_route.call_count == 1
+        assert category.to_dict() == response_expected_data
+        request = mock_route.calls[0].request
+        assert request.content == request_expected_content
+
+
+@pytest.mark.parametrize(
+    ("action", "input_status"),
+    [
+        ("publish", {"id": "CAT-123", "status": "to_publish"}),
+        ("unpublish", {"id": "CAT-123", "status": "to_unpublish"}),
+    ],
+)
+@pytest.mark.asyncio
+async def test_async_custom_category_actions(async_categories_service, action, input_status):
+    request_expected_content = b'{"id":"CAT-123","status":"%s"}' % input_status["status"].encode()
+    response_expected_data = {"id": "CAT-123", "status": "new_status"}
+    with respx.mock:
+        mock_route = respx.post(
+            f"https://api.example.com/public/v1/notifications/categories/CAT-123/{action}"
+        ).mock(
+            return_value=httpx.Response(
+                status_code=200,
+                headers={"content-type": "application/json"},
+                json=response_expected_data,
+            )
+        )
+        category = await getattr(async_categories_service, action)("CAT-123", input_status)
+
+        assert category.to_dict() == response_expected_data
+        assert mock_route.call_count == 1
+        request = mock_route.calls[0].request
+        assert request.content == request_expected_content
diff --git a/tests/resources/notifications/test_notifications.py b/tests/resources/notifications/test_notifications.py
new file mode 100644
index 0000000..feeada4
--- /dev/null
+++ b/tests/resources/notifications/test_notifications.py
@@ -0,0 +1,49 @@
+import pytest
+
+from mpt_api_client.resources import AsyncNotifications, Notifications
+from mpt_api_client.resources.notifications.categories import (
+    AsyncCategoriesService,
+    CategoriesService,
+)
+
+
+def test_notifications_init(http_client):
+    commerce = Notifications(http_client=http_client)
+
+    assert isinstance(commerce, Notifications)
+    assert commerce.http_client is http_client
+
+
+def test_async_notifications_init(async_http_client):
+    notifications = AsyncNotifications(http_client=async_http_client)
+
+    assert isinstance(notifications, AsyncNotifications)
+    assert notifications.http_client is async_http_client
+
+
+@pytest.mark.parametrize(
+    ("attr_name", "expected"),
+    [
+        ("categories", CategoriesService),
+    ],
+)
+def test_notifications_properties(http_client, attr_name, expected):
+    commerce = Notifications(http_client=http_client)
+
+    service = getattr(commerce, attr_name)
+
+    assert isinstance(service, expected)
+
+
+@pytest.mark.parametrize(
+    ("attr_name", "expected"),
+    [
+        ("categories", AsyncCategoriesService),
+    ],
+)
+def test_async_notifications_properties(http_client, attr_name, expected):
+    commerce = AsyncNotifications(http_client=http_client)
+
+    service = getattr(commerce, attr_name)
+
+    assert isinstance(service, expected)
diff --git a/tests/test_mpt.py b/tests/test_mpt_client.py
similarity index 50%
rename from tests/test_mpt.py
rename to tests/test_mpt_client.py
index 7f680df..24f53fe 100644
--- a/tests/test_mpt.py
+++ b/tests/test_mpt_client.py
@@ -9,10 +9,12 @@
     AsyncBilling,
     AsyncCatalog,
     AsyncCommerce,
+    AsyncNotifications,
     Audit,
     Billing,
     Catalog,
     Commerce,
+    Notifications,
 )
 from tests.conftest import API_TOKEN, API_URL
 
@@ -21,23 +23,22 @@ def get_mpt_client():
     return MPTClient.from_config(base_url=API_URL, api_token=API_TOKEN)
 
 
-def get_async_mpt_client():
-    return AsyncMPTClient.from_config(base_url=API_URL, api_token=API_TOKEN)
-
-
 @pytest.mark.parametrize(
-    ("domain_module", "domain_type"),
+    ("resource_name", "expected_type"),
     [
-        (get_mpt_client(), MPTClient),
-        (get_mpt_client().commerce, Commerce),
-        (get_mpt_client().catalog, Catalog),
-        (get_mpt_client().audit, Audit),
-        (get_mpt_client().billing, Billing),
-        (get_mpt_client().accounts, Accounts),
+        ("commerce", Commerce),
+        ("catalog", Catalog),
+        ("audit", Audit),
+        ("billing", Billing),
+        ("accounts", Accounts),
+        ("notifications", Notifications),
     ],
 )
-def test_mpt_client(domain_module, domain_type) -> None:
-    assert isinstance(domain_module, domain_type)
+def test_mpt_client(resource_name: str, expected_type: type) -> None:
+    mpt = MPTClient.from_config(base_url=API_URL, api_token=API_TOKEN)
+    resource = getattr(mpt, resource_name)
+    assert isinstance(mpt, MPTClient)
+    assert isinstance(resource, expected_type)
 
 
 def test_mpt_client_env(monkeypatch: pytest.MonkeyPatch) -> None:
@@ -51,18 +52,22 @@ def test_mpt_client_env(monkeypatch: pytest.MonkeyPatch) -> None:
 
 
 @pytest.mark.parametrize(
-    ("domain_module", "domain_type"),
+    ("resource_name", "expected_type"),
     [
-        (get_async_mpt_client(), AsyncMPTClient),
-        (get_async_mpt_client().commerce, AsyncCommerce),
-        (get_async_mpt_client().catalog, AsyncCatalog),
-        (get_async_mpt_client().audit, AsyncAudit),
-        (get_async_mpt_client().billing, AsyncBilling),
-        (get_async_mpt_client().accounts, AsyncAccounts),
+        ("commerce", AsyncCommerce),
+        ("catalog", AsyncCatalog),
+        ("audit", AsyncAudit),
+        ("billing", AsyncBilling),
+        ("accounts", AsyncAccounts),
+        ("notifications", AsyncNotifications),
     ],
 )
-def test_async_mpt_client(domain_module, domain_type) -> None:
-    assert isinstance(domain_module, domain_type)
+def test_async_mpt_client(resource_name: str, expected_type: type) -> None:
+    mpt = AsyncMPTClient.from_config(base_url=API_URL, api_token=API_TOKEN)
+    resource = getattr(mpt, resource_name)
+
+    assert isinstance(mpt, AsyncMPTClient)
+    assert isinstance(resource, expected_type)
 
 
 def test_async_mpt_client_env(monkeypatch: pytest.MonkeyPatch) -> None: