diff --git a/app/controllers/api/v1/countries/visited_cities_controller.rb b/app/controllers/api/v1/countries/visited_cities_controller.rb
index 85e53f7d..125baf8e 100644
--- a/app/controllers/api/v1/countries/visited_cities_controller.rb
+++ b/app/controllers/api/v1/countries/visited_cities_controller.rb
@@ -17,6 +17,6 @@ class Api::V1::Countries::VisitedCitiesController < ApiController
   private
 
   def required_params
-    %i[start_at end_at]
+    %i[start_at end_at api_key]
   end
 end