diff --git a/lib/pleroma/web/mastodon_api/views/instance_view.ex b/lib/pleroma/web/mastodon_api/views/instance_view.ex
index 4b0480f66..af6a63e92 100644
--- a/lib/pleroma/web/mastodon_api/views/instance_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/instance_view.ex
@@ -270,7 +270,8 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
         post_formats: Config.get([:instance, :allowed_post_formats]),
         birthday_required: Config.get([:instance, :birthday_required]),
         birthday_min_age: Config.get([:instance, :birthday_min_age]),
-        translation: supported_languages()
+        translation: supported_languages(),
+        markup: markup()
       },
       stats: %{mau: Pleroma.User.active_user_count()},
       vapid_public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key)
@@ -321,4 +322,12 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
       target_languages: target_languages
     }
   end
+
+  defp markup() do
+    %{
+      allow_inline_images: Config.get([:markup, :allow_inline_images]),
+      allow_headings: Config.get([:markup, :allow_headings]),
+      allow_tables: Config.get([:markup, :allow_tables])
+    }
+  end
 end