diff --git a/lib/stripe/application_fee.rb b/lib/stripe/application_fee.rb
index 93137d03..5b163545 100644
--- a/lib/stripe/application_fee.rb
+++ b/lib/stripe/application_fee.rb
@@ -6,8 +6,8 @@ module Stripe
       '/v1/application_fees'
     end
 
-    def refund(params={})
-      response, api_key = Stripe.request(:post, refund_url, @api_key, params)
+    def refund(params={}, api_key=nil, headers={})
+      response, api_key = Stripe.request(:post, refund_url, api_key, params, headers)
       refresh_from(response, api_key)
     end
 
diff --git a/lib/stripe/list_object.rb b/lib/stripe/list_object.rb
index 3099299a..1285e798 100644
--- a/lib/stripe/list_object.rb
+++ b/lib/stripe/list_object.rb
@@ -20,9 +20,9 @@ module Stripe
       Util.convert_to_stripe_object(response, api_key)
     end
 
-    def create(params={}, api_key=nil)
+    def create(params={}, api_key=nil, headers={})
       api_key ||= @api_key
-      response, api_key = Stripe.request(:post, url, api_key, params)
+      response, api_key = Stripe.request(:post, url, api_key, params, headers)
       Util.convert_to_stripe_object(response, api_key)
     end