diff --git a/openpype/hosts/webpublisher/webserver_service/webpublish_routes.py b/openpype/hosts/webpublisher/webserver_service/webpublish_routes.py
index 920ed042dc..4a63b0af07 100644
--- a/openpype/hosts/webpublisher/webserver_service/webpublish_routes.py
+++ b/openpype/hosts/webpublisher/webserver_service/webpublish_routes.py
@@ -12,6 +12,7 @@ from avalon.api import AvalonMongoDB
 from openpype.lib import OpenPypeMongoConnection
 from openpype_modules.avalon_apps.rest_api import _RestApiEndpoint
 from openpype.lib.plugin_tools import parse_json
+from openpype.settings import get_project_settings
 
 from openpype.lib import PypeLogger
 
@@ -277,3 +278,22 @@ class PublishesStatusEndpoint(_RestApiEndpoint):
             body=self.resource.encode(output),
             content_type="application/json"
         )
+
+
+class ConfiguredExtensionsEndpoint(_RestApiEndpoint):
+    """Returns list of extensions which have mapping to family."""
+    async def get(self, project_name=None) -> Response:
+        sett = get_project_settings(project_name)
+
+        configured = []
+        collect_conf = sett["webpublisher"]["publish"]["CollectPublishedFiles"]
+        for _, mapping in collect_conf.get("task_type_to_family", {}).items():
+            for _family, config in mapping.items():
+                configured.extend(config["extensions"])
+        configured = set(configured)
+
+        return Response(
+            status=200,
+            body=self.resource.encode(sorted(list(configured))),
+            content_type="application/json"
+        )
diff --git a/openpype/hosts/webpublisher/webserver_service/webserver_cli.py b/openpype/hosts/webpublisher/webserver_service/webserver_cli.py
index d00d269059..bf828070c1 100644
--- a/openpype/hosts/webpublisher/webserver_service/webserver_cli.py
+++ b/openpype/hosts/webpublisher/webserver_service/webserver_cli.py
@@ -14,7 +14,8 @@ from .webpublish_routes import (
     WebpublisherHiearchyEndpoint,
     WebpublisherProjectsEndpoint,
     BatchStatusEndpoint,
-    PublishesStatusEndpoint
+    PublishesStatusEndpoint,
+    ConfiguredExtensionsEndpoint
 )
 
 
@@ -49,6 +50,13 @@ def run_webserver(*args, **kwargs):
         hiearchy_endpoint.dispatch
     )
 
+    configured_ext_endpoint = ConfiguredExtensionsEndpoint(resource)
+    server_manager.add_route(
+        "GET",
+        "/api/webpublish/configured_ext/{project_name}",
+        configured_ext_endpoint.dispatch
+    )
+
     # triggers publish
     webpublisher_task_publish_endpoint = \
         WebpublisherBatchPublishEndpoint(resource)