diff --git a/app/controllers/api/v1/sites_controller.rb b/app/controllers/api/v1/sites_controller.rb
index 05abc38a..71815530 100644
--- a/app/controllers/api/v1/sites_controller.rb
+++ b/app/controllers/api/v1/sites_controller.rb
@@ -9,7 +9,7 @@ module Api
 
       # Lista de nombres de dominios a emitir certificados
       def index
-        render json: alternative_names + api_names + www_names
+        render json: sites_names + alternative_names + api_names + www_names
       end
 
       private
@@ -22,6 +22,13 @@ module Api
         name.end_with? ".#{Site.domain}"
       end
 
+      # Nombres de los sitios
+      def sites_names
+        Site.all.order(:name).pluck(:name).map do |name|
+          canonicalize name
+        end
+      end
+
       # Dominios alternativos
       def alternative_names
         (DeployAlternativeDomain.all.map(&:hostname) + DeployLocalizedDomain.all.map(&:hostname)).map do |name|