lib/pleroma/web/mastodon_api/views/instance_view.ex

@@ -84,7 +84,8 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
       if Config.get([:translator, :enabled], false) do
         "akkoma:machine_translation"
       end,
-      "custom_emoji_reactions"
+      "custom_emoji_reactions",
+      "pleroma:get:main/ostatus"
     ]
     |> Enum.filter(& &1)
   end