diff --git a/platypush/backend/http/app/routes/hook.py b/platypush/backend/http/app/routes/hook.py
index 5243039c7..bcf33c500 100644
--- a/platypush/backend/http/app/routes/hook.py
+++ b/platypush/backend/http/app/routes/hook.py
@@ -1,9 +1,11 @@
 import json
 
-from flask import Blueprint, abort, request, Response
+from flask import Blueprint, abort, request
+from flask.wrappers import Response
 
 from platypush.backend.http.app import template_folder
 from platypush.backend.http.app.utils import logger, send_message
+from platypush.config import Config
 from platypush.message.event.http.hook import WebhookEvent
 
 
@@ -15,9 +17,11 @@ __routes__ = [
 ]
 
 
-@hook.route('/hook/<hook_name>', methods=['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'OPTIONS'])
-def _hook(hook_name):
-    """ Endpoint for custom webhooks """
+@hook.route(
+    '/hook/<hook_name>', methods=['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'OPTIONS']
+)
+def hook_route(hook_name):
+    """Endpoint for custom webhooks"""
 
     event_args = {
         'hook': hook_name,
@@ -28,20 +32,36 @@ def _hook(hook_name):
     }
 
     if event_args['data']:
-        # noinspection PyBroadException
         try:
             event_args['data'] = json.loads(event_args['data'])
         except Exception as e:
-            logger().warning('Not a valid JSON string: {}: {}'.format(event_args['data'], str(e)))
+            logger().warning(
+                'Not a valid JSON string: %s: %s', event_args['data'], str(e)
+            )
 
     event = WebhookEvent(**event_args)
+    matching_hooks = [
+        hook
+        for hook in Config.get_event_hooks().values()
+        if hook.condition.type == WebhookEvent
+        and hook.condition.args.get('hook') == hook_name
+        and request.method.lower()
+        == hook.condition.args.get('method', request.method).lower()
+    ]
 
     try:
         send_message(event)
-        return Response(json.dumps({'status': 'ok', **event_args}), mimetype='application/json')
+
+        # If there are matching hooks, wait for their completion before returning
+        if matching_hooks:
+            return event.wait_response(timeout=60)
+
+        return Response(
+            json.dumps({'status': 'ok', **event_args}), mimetype='application/json'
+        )
     except Exception as e:
         logger().exception(e)
-        logger().error('Error while dispatching webhook event {}: {}'.format(event, str(e)))
+        logger().error('Error while dispatching webhook event %s: %s', event, str(e))
         abort(500, str(e))
 
 
diff --git a/platypush/event/hook.py b/platypush/event/hook.py
index 7dc3140a6..35cb052d1 100644
--- a/platypush/event/hook.py
+++ b/platypush/event/hook.py
@@ -15,10 +15,10 @@ logger = logging.getLogger('platypush')
 
 
 def parse(msg):
-    """ Builds a dict given another dictionary or
-        a JSON UTF-8 encoded string/bytearray """
+    """Builds a dict given another dictionary or
+    a JSON UTF-8 encoded string/bytearray"""
 
-    if isinstance(msg, bytes) or isinstance(msg, bytearray):
+    if isinstance(msg, (bytes, bytearray)):
         msg = msg.decode('utf-8')
     if isinstance(msg, str):
         try:
@@ -30,8 +30,8 @@ def parse(msg):
     return msg
 
 
-class EventCondition(object):
-    """ Event hook condition class """
+class EventCondition:
+    """Event hook condition class"""
 
     def __init__(self, type=Event.__class__, priority=None, **kwargs):
         """
@@ -55,8 +55,8 @@ class EventCondition(object):
 
     @classmethod
     def build(cls, rule):
-        """ Builds a rule given either another EventRule, a dictionary or
-            a JSON UTF-8 encoded string/bytearray """
+        """Builds a rule given either another EventRule, a dictionary or
+        a JSON UTF-8 encoded string/bytearray"""
 
         if isinstance(rule, cls):
             return rule
@@ -64,8 +64,7 @@ class EventCondition(object):
             rule = parse(rule)
 
         assert isinstance(rule, dict), f'Not a valid rule: {rule}'
-        type = get_event_class_by_type(
-            rule.pop('type') if 'type' in rule else 'Event')
+        type = get_event_class_by_type(rule.pop('type') if 'type' in rule else 'Event')
 
         args = {}
         for (key, value) in rule.items():
@@ -75,8 +74,8 @@ class EventCondition(object):
 
 
 class EventAction(Request):
-    """ Event hook action class. It is a special type of runnable request
-        whose fields can be configured later depending on the event context """
+    """Event hook action class. It is a special type of runnable request
+    whose fields can be configured later depending on the event context"""
 
     def __init__(self, target=None, action=None, **args):
         if target is None:
@@ -99,16 +98,16 @@ class EventAction(Request):
         return super().build(action)
 
 
-class EventHook(object):
-    """ Event hook class. It consists of one conditions and
-        one or multiple actions to be executed """
+class EventHook:
+    """Event hook class. It consists of one conditions and
+    one or multiple actions to be executed"""
 
     def __init__(self, name, priority=None, condition=None, actions=None):
-        """ Constructor. Takes a name, a EventCondition object and an event action
-            procedure as input. It may also have a priority attached
-            as a positive number. If multiple hooks match against an event,
-            only the ones that have either the maximum match score or the
-            maximum pre-configured priority will be run. """
+        """Constructor. Takes a name, a EventCondition object and an event action
+        procedure as input. It may also have a priority attached
+        as a positive number. If multiple hooks match against an event,
+        only the ones that have either the maximum match score or the
+        maximum pre-configured priority will be run."""
 
         self.name = name
         self.condition = EventCondition.build(condition or {})
@@ -118,8 +117,8 @@ class EventHook(object):
 
     @classmethod
     def build(cls, name, hook):
-        """ Builds a rule given either another EventRule, a dictionary or
-            a JSON UTF-8 encoded string/bytearray """
+        """Builds a rule given either another EventRule, a dictionary or
+        a JSON UTF-8 encoded string/bytearray"""
 
         if isinstance(hook, cls):
             return hook
@@ -146,14 +145,14 @@ class EventHook(object):
         return cls(name=name, condition=condition, actions=actions, priority=priority)
 
     def matches_event(self, event):
-        """ Returns an EventMatchResult object containing the information
-            about the match between the event and this hook """
+        """Returns an EventMatchResult object containing the information
+        about the match between the event and this hook"""
 
         return event.matches_condition(self.condition)
 
     def run(self, event):
-        """ Checks the condition of the hook against a particular event and
-            runs the hook actions if the condition is met """
+        """Checks the condition of the hook against a particular event and
+        runs the hook actions if the condition is met"""
 
         def _thread_func(result):
             set_thread_name('Event-' + self.name)
@@ -163,7 +162,9 @@ class EventHook(object):
 
         if result.is_match:
             logger.info('Running hook {} triggered by an event'.format(self.name))
-            threading.Thread(target=_thread_func, name='Event-' + self.name, args=(result,)).start()
+            threading.Thread(
+                target=_thread_func, name='Event-' + self.name, args=(result,)
+            ).start()
 
 
 def hook(event_type=Event, **condition):
@@ -172,8 +173,14 @@ def hook(event_type=Event, **condition):
         f.condition = EventCondition(type=event_type, **condition)
 
         @wraps(f)
-        def wrapped(*args, **kwargs):
-            return exec_wrapper(f, *args, **kwargs)
+        def wrapped(event, *args, **kwargs):
+            from platypush.message.event.http.hook import WebhookEvent
+
+            response = exec_wrapper(f, event, *args, **kwargs)
+            if isinstance(event, WebhookEvent):
+                event.send_response(response)
+
+            return response
 
         return wrapped
 
diff --git a/platypush/message/event/http/hook.py b/platypush/message/event/http/hook.py
index b423e844f..1c1690d91 100644
--- a/platypush/message/event/http/hook.py
+++ b/platypush/message/event/http/hook.py
@@ -1,11 +1,26 @@
+import json
+import uuid
+
 from platypush.message.event import Event
+from platypush.utils import get_redis
+
 
 class WebhookEvent(Event):
     """
     Event triggered when a custom webhook is called.
     """
 
-    def __init__(self, *argv, hook, method, data=None, args=None, headers=None, **kwargs):
+    def __init__(
+        self,
+        *argv,
+        hook,
+        method,
+        data=None,
+        args=None,
+        headers=None,
+        response=None,
+        **kwargs,
+    ):
         """
         :param hook: Name of the invoked web hook, from http://host:port/hook/<hook>
         :type hook: str
@@ -21,10 +36,35 @@ class WebhookEvent(Event):
 
         :param headers: Request headers
         :type args: dict
-        """
 
-        super().__init__(hook=hook, method=method, data=data, args=args or {},
-                         headers=headers or {}, *argv, **kwargs)
+        :param response: Response returned by the hook.
+        :type args: dict | list | str
+        """
+        # This queue is used to synchronize with the hook and wait for its completion
+        kwargs['response_queue'] = kwargs.get(
+            'response_queue', f'platypush/webhook/{str(uuid.uuid1())}'
+        )
+
+        super().__init__(
+            *argv,
+            hook=hook,
+            method=method,
+            data=data,
+            args=args or {},
+            headers=headers or {},
+            response=response,
+            **kwargs,
+        )
+
+    def send_response(self, response):
+        output = response.output
+        if isinstance(output, (dict, list)):
+            output = json.dumps(output)
+
+        get_redis().rpush(self.args['response_queue'], output)
+
+    def wait_response(self, timeout=None):
+        return get_redis().blpop(self.args['response_queue'], timeout=timeout)[1]
 
 
 # vim:sw=4:ts=4:et: