diff --git a/lib/twilio-ruby/framework/serialize.rb b/lib/twilio-ruby/framework/serialize.rb
index 49ac28858..4916008df 100644
--- a/lib/twilio-ruby/framework/serialize.rb
+++ b/lib/twilio-ruby/framework/serialize.rb
@@ -67,4 +67,13 @@ def self.prefixed_collapsible_map(map, prefix)
 
     result
   end
+
+  def self.serialize_list(input_list)
+    return input_list unless input_list.is_a? Array
+    result = []
+    input_list.each do |e|
+      result.push yield e
+    end
+    result
+  end
 end
diff --git a/spec/framework/serialize_spec.rb b/spec/framework/serialize_spec.rb
index 826d32aed..afa8e4db7 100644
--- a/spec/framework/serialize_spec.rb
+++ b/spec/framework/serialize_spec.rb
@@ -56,4 +56,25 @@
       expect(actual).to eq(123)
     end
   end
+
+  describe 'serialize_list' do
+    it 'should only operate on things with .each method' do
+      actual = Twilio.serialize_list(nil)
+      expect(actual).to eq(nil)
+
+      actual = Twilio.serialize_list("something")
+      expect(actual).to eq("something")
+
+      actual = Twilio.serialize_list(1)
+      expect(actual).to eq(1)
+
+      actual = Twilio.serialize_list({ some_obj: 'some_val' })
+      expect(actual).to eq({ some_obj: 'some_val' })
+    end
+
+    it 'should apply block to every element in list' do
+      actual = Twilio.serialize_list([1, 2, 3, 4]) { |e| e * 2 }
+      expect(actual).to eq([2, 4, 6, 8])
+    end
+  end
 end