diff --git a/lib/stripe/topup.rb b/lib/stripe/topup.rb
index 21218e71a..c1906e9df 100644
--- a/lib/stripe/topup.rb
+++ b/lib/stripe/topup.rb
@@ -7,5 +7,10 @@ class Topup < APIResource
     include Stripe::APIOperations::Save
 
     OBJECT_NAME = "topup".freeze
+
+    def cancel
+      resp, api_key = request(:post, resource_url + "/cancel")
+      initialize_from(resp.data, api_key)
+    end
   end
 end
diff --git a/test/stripe/topup_test.rb b/test/stripe/topup_test.rb
index cd23ba7a8..cecd2dbe0 100644
--- a/test/stripe/topup_test.rb
+++ b/test/stripe/topup_test.rb
@@ -41,5 +41,14 @@ class TopupTest < Test::Unit::TestCase
       assert_requested :post, "#{Stripe.api_base}/v1/topups/tu_123"
       assert topup.is_a?(Stripe::Topup)
     end
+
+    context "#cancel" do
+      should "cancel the topup" do
+        topup = Stripe::Topup.retrieve("tu_123")
+        topup = topup.cancel
+        assert_requested :post, "#{Stripe.api_base}/v1/topups/#{topup.id}/cancel"
+        assert topup.is_a?(Stripe::Topup)
+      end
+    end
   end
 end