diff --git a/kong/__init__.py b/kong/__init__.py
index 147c745..caefa5e 100644
--- a/kong/__init__.py
+++ b/kong/__init__.py
@@ -1,3 +1,3 @@
 """Asynchronous Kong client"""
 
-__version__ = '0.3.1'
+__version__ = '0.3.2'
diff --git a/kong/components.py b/kong/components.py
index ca78659..889d5e7 100644
--- a/kong/components.py
+++ b/kong/components.py
@@ -103,6 +103,9 @@ def __init__(self, root, data):
     def __getitem__(self, item):
         return self.data[item]
 
+    def __contains__(self, item):
+        return item in self.data
+
     @property
     def cli(self):
         return self.root.cli
diff --git a/kong/plugins.py b/kong/plugins.py
index d6d1404..9cfda46 100644
--- a/kong/plugins.py
+++ b/kong/plugins.py
@@ -14,10 +14,12 @@ def get_list(self, **params):
         url = '%s/%s' % (self.root.url, self.name)
         return self.execute(url, params=params, wrap=self.wrap_list)
 
-    async def apply_json(self, data):
+    async def apply_json(self, data, **kwargs):
         if not isinstance(data, list):
             data = [data]
-        plugins = await self.get_list()
+        plugins = await self.get_list(**kwargs)
+        if not kwargs:
+            plugins = [p for p in plugins if self.root_plugin(p)]
         plugins = dict(((p['name'], p) for p in plugins))
         result = []
         for entry in data:
@@ -36,6 +38,9 @@ async def apply_json(self, data):
             await self.delete(entry['id'])
         return result
 
+    def root_plugin(self, plugin):
+        return 'service_id' not in plugin and 'route_id' not in plugin
+
     async def preprocess_parameters(self, params):
         await anonymous(self.cli, params)
         preprocessor = PLUGIN_PREPROCESSORS.get(params.get('name'))
@@ -62,6 +67,10 @@ async def create(self, skip_error=None, **params):
             wrap=self.wrap, skip_error=skip_error
         )
 
+    async def apply_json(self, data, **kwargs):
+        kwargs['service_id'] = self.root.id
+        return await super().apply_json(data, **kwargs)
+
 
 class RoutePlugins(PluginMixin, CrudComponent):
     """Plugins associated with a Route
@@ -74,6 +83,10 @@ async def create(self, skip_error=None, **params):
             wrap=self.wrap, skip_error=skip_error
         )
 
+    async def apply_json(self, data, **kwargs):
+        kwargs['route_id'] = self.root.id
+        return await super().apply_json(data, **kwargs)
+
 
 class Plugin(KongEntity):
     pass