Experimental Async Refreshes API (#34918)

app/controllers/api/v1_alpha/async_refreshes_controller.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class Api::V1Alpha::AsyncRefreshesController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read }
+  before_action :require_user!
+
+  def show
+    async_refresh = AsyncRefresh.find(params[:id])
+
+    if async_refresh
+      render json: async_refresh
+    else
+      not_found
+    end
+  end
+end