diff --git a/lib/galaxy/visualization/plugins/plugin.py b/lib/galaxy/visualization/plugins/plugin.py
index c5abcaddaa38..371a8752f06f 100644
--- a/lib/galaxy/visualization/plugins/plugin.py
+++ b/lib/galaxy/visualization/plugins/plugin.py
@@ -112,7 +112,7 @@ def render_saved(self, visualization, trans=None, embedded=None, **kwargs):
         )
         return self._render(render_vars, trans=trans, embedded=embedded)
 
-    def to_dict(self):
+    def to_dict(self, url_builder=None):
         return {
             "name": self.name,
             "html": self.config.get("name"),
@@ -125,13 +125,15 @@ def to_dict(self):
             "settings": self.config.get("settings"),
             "groups": self.config.get("groups"),
             "specs": self.config.get("specs"),
-            "href": self._get_url(),
+            "href": self._get_url(url_builder),
         }
 
-    def _get_url(self):
+    def _get_url(self, url_builder=None):
+        url_builder = None
+        url_builder = url_builder or self.app.url_for
         if self.name in self.app.visualizations_registry.BUILT_IN_VISUALIZATIONS:
-            return self.app.url_for(controller="visualization", action=self.name)
-        return self.app.url_for("visualization_plugin", visualization_name=self.name)
+            return url_builder(controller="visualization", action=self.name)
+        return url_builder("visualization_plugin", visualization_name=self.name)
 
     def _get_static_path(self, path):
         if "/config/" in path:
@@ -254,7 +256,7 @@ def _render(self, render_vars, trans=None, embedded=None, **kwargs):
         template.
         """
         render_vars["embedded"] = self._parse_embedded(embedded)
-        render_vars["static_url"] = self.app.url_for(f"/{self.static_path}/")
+        render_vars["static_url"] = trans.url_builder(f"/{self.static_path}/")
         render_vars.update(vars={})
         render_vars.update({"script_attributes": self.config["entry_point"]["attr"]})
         template_filename = os.path.join(self.MAKO_TEMPLATE)
diff --git a/lib/galaxy/webapps/galaxy/api/plugins.py b/lib/galaxy/webapps/galaxy/api/plugins.py
index 212b70b3e0ee..518f397f46e8 100644
--- a/lib/galaxy/webapps/galaxy/api/plugins.py
+++ b/lib/galaxy/webapps/galaxy/api/plugins.py
@@ -86,7 +86,7 @@ def index(
             return plugins
 
     @router.get(
-        "/api/plugins/{id}",
+        "/api/plugins/{plugin_id}",
         summary="Get a plugin by id",
         response_description="Plugin",
     )
@@ -107,7 +107,7 @@ def show(
                 if registry.get_visualization(trans, plugin_id, hda):
                     result["hdas"].append({"id": trans.security.encode_id(hda.id), "name": hda.name})
         else:
-            result = registry.get_plugin(plugin_id).to_dict()
+            result = registry.get_plugin(plugin_id).to_dict(url_builder=trans.url_builder)
         return result
 
     def _get_registry(self, trans):