diff --git a/zaqar/common/transport/wsgi/helpers.py b/zaqar/common/transport/wsgi/helpers.py
index 0069c051e..fc723987f 100644
--- a/zaqar/common/transport/wsgi/helpers.py
+++ b/zaqar/common/transport/wsgi/helpers.py
@@ -116,7 +116,7 @@ def require_client_id(req, resp, params):
     :rtype: None
     """
 
-    if 'v1.1' in req.path:
+    if req.path.startswith('/v1.1/') or req.path.startswith('/v2/'):
         # NOTE(flaper87): `get_client_uuid` already raises 400
         # it the header is missing.
         get_client_uuid(req)
diff --git a/zaqar/tests/unit/transport/wsgi/v1/test_validation.py b/zaqar/tests/unit/transport/wsgi/v1/test_validation.py
index c288dc8eb..2da061faf 100644
--- a/zaqar/tests/unit/transport/wsgi/v1/test_validation.py
+++ b/zaqar/tests/unit/transport/wsgi/v1/test_validation.py
@@ -89,3 +89,23 @@ class TestValidation(base.V1Base):
                                headers=self.headers)
 
             self.assertEqual(falcon.HTTP_400, self.srmock.status)
+
+    def test_request_without_client_id(self):
+        # Unlike newer APIs (v1.1 and v2), there will be no error 400, because
+        # of missing Client-ID in headers.
+        empty_headers = {}
+        self.simulate_put(self.queue_path,
+                          self.project_id,
+                          headers=empty_headers)
+        # Queue was already created by setUp, expecting 204 response code.
+        self.assertEqual(falcon.HTTP_204, self.srmock.status)
+
+    def test_request_without_client_id_if_resource_name_contains_v2_text(self):
+        empty_headers = {}
+        queue_path_with_v2 = self.url_prefix + '/queues/my_name_is_v2'
+        self.simulate_put(queue_path_with_v2,
+                          self.project_id,
+                          headers=empty_headers)
+        self.addCleanup(self.simulate_delete, queue_path_with_v2,
+                        self.project_id)
+        self.assertEqual(falcon.HTTP_201, self.srmock.status)
diff --git a/zaqar/tests/unit/transport/wsgi/v1_1/test_validation.py b/zaqar/tests/unit/transport/wsgi/v1_1/test_validation.py
index e79ce3587..8c3d86c56 100644
--- a/zaqar/tests/unit/transport/wsgi/v1_1/test_validation.py
+++ b/zaqar/tests/unit/transport/wsgi/v1_1/test_validation.py
@@ -89,3 +89,11 @@ class TestValidation(base.V1_1Base):
                                headers=self.headers)
 
             self.assertEqual(falcon.HTTP_400, self.srmock.status)
+
+    def test_request_without_client_id(self):
+        # No Client-ID in headers, it will raise 400 error.
+        empty_headers = {}
+        self.simulate_put(self.queue_path,
+                          self.project_id,
+                          headers=empty_headers)
+        self.assertEqual(falcon.HTTP_400, self.srmock.status)
diff --git a/zaqar/tests/unit/transport/wsgi/v2_0/test_validation.py b/zaqar/tests/unit/transport/wsgi/v2_0/test_validation.py
index 8986d9b0a..e6bbe9b01 100644
--- a/zaqar/tests/unit/transport/wsgi/v2_0/test_validation.py
+++ b/zaqar/tests/unit/transport/wsgi/v2_0/test_validation.py
@@ -89,3 +89,12 @@ class TestValidation(base.V2Base):
                                headers=self.headers)
 
             self.assertEqual(falcon.HTTP_400, self.srmock.status)
+
+    def test_request_without_client_id(self):
+        # No Client-ID in headers, it will raise 400 error.
+        empty_headers = {}
+        self.simulate_put(self.queue_path,
+                          self.project_id,
+                          body='{"timespace": "Shangri-la"}',
+                          headers=empty_headers)
+        self.assertEqual(falcon.HTTP_400, self.srmock.status)