diff --git a/zerver/decorator.py b/zerver/decorator.py
index c302a8a0be..e6e6d55d74 100644
--- a/zerver/decorator.py
+++ b/zerver/decorator.py
@@ -7,7 +7,7 @@ from django.views.decorators.csrf import csrf_exempt
 from django.http import QueryDict, HttpResponseNotAllowed, HttpRequest
 from django.http.multipartparser import MultiPartParser
 from zerver.models import UserProfile, get_client, get_user_profile_by_email
-from zerver.lib.response import json_error, json_unauthorized
+from zerver.lib.response import json_error, json_unauthorized, json_success
 from django.shortcuts import resolve_url
 from django.utils.decorators import available_attrs
 from django.utils.timezone import now
@@ -649,3 +649,13 @@ def uses_mandrill(func):
         kwargs['mail_client'] = get_mandrill_client()
         return func(*args, **kwargs)
     return wrapped_func # type: ignore # https://github.com/python/mypy/issues/1927
+
+def return_success_on_head_request(view_func):
+    # type: (Callable) -> Callable
+    @wraps(view_func)
+    def _wrapped_view_func(request, *args, **kwargs):
+        # type: (HttpResponse, *Any, **Any) -> Callable
+        if request.method == 'HEAD':
+            return json_success()
+        return view_func(request, *args, **kwargs)
+    return _wrapped_view_func
diff --git a/zerver/tests/test_decorators.py b/zerver/tests/test_decorators.py
index cdf125ba2e..bf23238eda 100644
--- a/zerver/tests/test_decorators.py
+++ b/zerver/tests/test_decorators.py
@@ -17,6 +17,7 @@ from zerver.lib.test_classes import (
     ZulipTestCase,
     WebhookTestCase,
 )
+from zerver.lib.response import json_response
 from zerver.lib.request import \
     REQ, has_request_variables, RequestVariableMissingError, \
     RequestVariableConversionError, JsonableError
@@ -25,7 +26,8 @@ from zerver.decorator import (
     authenticated_json_post_view, authenticated_json_view,
     authenticate_notify,
     get_client_name, internal_notify_view, is_local_addr,
-    rate_limit, validate_api_key, logged_in_and_active
+    rate_limit, validate_api_key, logged_in_and_active,
+    return_success_on_head_request
     )
 from zerver.lib.validator import (
     check_string, check_dict, check_bool, check_int, check_list
@@ -872,3 +874,31 @@ class TestZulipLoginRequiredDecorator(ZulipTestCase):
             with mock.patch('zerver.decorator.get_subdomain', return_value='acme'):
                 result = self.client_get('/accounts/accept_terms/')
                 self.assertEqual(result.status_code, 302)
+
+class ReturnSuccessOnHeadRequestDecorator(ZulipTestCase):
+    def test_return_success_on_head_request_returns_200_if_request_method_is_head(self):
+        class HeadRequest(object):
+            method = 'HEAD'
+
+        request = HeadRequest()
+
+        @return_success_on_head_request
+        def test_function(request):
+            return json_response(msg=u'from_test_function')
+
+        response = test_function(request)
+        self.assert_json_success(response)
+        self.assertNotEqual(ujson.loads(response.content).get('msg'), u'from_test_function')
+
+    def test_return_success_on_head_request_returns_normal_response_if_request_method_is_not_head(self):
+            class HeadRequest(object):
+                method = 'POST'
+
+            request = HeadRequest()
+
+            @return_success_on_head_request
+            def test_function(request):
+                return json_response(msg=u'from_test_function')
+
+            response = test_function(request)
+            self.assertEqual(ujson.loads(response.content).get('msg'), u'from_test_function')
diff --git a/zerver/tests/webhooks/test_trello.py b/zerver/tests/webhooks/test_trello.py
index a0ad544f76..31a825a6e9 100644
--- a/zerver/tests/webhooks/test_trello.py
+++ b/zerver/tests/webhooks/test_trello.py
@@ -6,6 +6,11 @@ class TrelloHookTests(WebhookTestCase):
     URL_TEMPLATE = u"/api/v1/external/trello?stream={stream}&api_key={api_key}"
     FIXTURE_DIR_NAME = 'trello'
 
+    def test_trello_confirmation_request(self):
+        # type: () -> None
+        response = self.client.head(self.build_webhook_url())
+        self.assertEqual(response.status_code, 200, response)
+
     def test_trello_webhook_when_card_was_moved_to_another_list(self):
         # type: () -> None
         expected_message = u"TomaszKolek moved [This is a card.](https://trello.com/c/r33ylX2Z) from Basics to Intermediate."
diff --git a/zerver/views/webhooks/trello/__init__.py b/zerver/views/webhooks/trello/__init__.py
index 59e57e2e43..11dc2b8c23 100644
--- a/zerver/views/webhooks/trello/__init__.py
+++ b/zerver/views/webhooks/trello/__init__.py
@@ -6,6 +6,7 @@ from typing import Mapping, Any, Tuple
 from django.utils.translation import ugettext as _
 from django.http import HttpRequest, HttpResponse
 from zerver.lib.actions import check_send_message
+from zerver.decorator import return_success_on_head_request
 from zerver.lib.response import json_success, json_error
 from zerver.models import UserProfile, Client
 from zerver.decorator import REQ, has_request_variables, api_key_only_webhook_view
@@ -15,6 +16,7 @@ from .board_actions import SUPPORTED_BOARD_ACTIONS, process_board_action
 from .exceptions import UnsupportedAction
 
 @api_key_only_webhook_view('Trello')
+@return_success_on_head_request
 @has_request_variables
 def api_trello_webhook(request, user_profile, client, payload=REQ(argument_type='body'), stream=REQ(default='trello')):
     # type: (HttpRequest, UserProfile, Client, Mapping[str, Any], text_type) -> HttpResponse