diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8ab4136711..7e89b716c8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -4,7 +4,14 @@ Changelog
 in development
 --------------
 
-2.8.0 - July 05, 2018
+Added
+~~~~~
+
+* Add new ``?tags``, query param filter to the ``/v1/actions`` API endpoint. This query parameter
+  allows users to filter out actions based on the tag name . By default, when no filter values are
+  provided, all actions are returned. (new feature) #4219
+
+2.8.0 - July 10, 2018
 ---------------------
 
 Added
diff --git a/st2api/st2api/controllers/v1/actions.py b/st2api/st2api/controllers/v1/actions.py
index 592b70a037..040d73853c 100644
--- a/st2api/st2api/controllers/v1/actions.py
+++ b/st2api/st2api/controllers/v1/actions.py
@@ -60,7 +60,8 @@ class ActionsController(resource.ContentPackResourceController):
     access = Action
     supported_filters = {
         'name': 'name',
-        'pack': 'pack'
+        'pack': 'pack',
+        'tags': 'name'
     }
 
     query_options = {
diff --git a/st2common/st2common/openapi.yaml b/st2common/st2common/openapi.yaml
index a88ee14d98..69feda82b9 100644
--- a/st2common/st2common/openapi.yaml
+++ b/st2common/st2common/openapi.yaml
@@ -288,6 +288,10 @@ paths:
           in: query
           description: Action pack name filter
           type: string
+        - name: tags
+          in: query
+          description: Action tags name filter
+          type: string
       x-parameters:
         - name: user
           in: context
diff --git a/st2common/st2common/openapi.yaml.j2 b/st2common/st2common/openapi.yaml.j2
index fa46ea8b8b..ecdf3e252a 100644
--- a/st2common/st2common/openapi.yaml.j2
+++ b/st2common/st2common/openapi.yaml.j2
@@ -284,6 +284,10 @@ paths:
           in: query
           description: Action pack name filter
           type: string
+        - name: tags
+          in: query
+          description: Action tags name filter
+          type: string
       x-parameters:
         - name: user
           in: context