diff --git a/lib/get_geocode/geocode_cache.ex b/lib/get_geocode/geocode_cache.ex
new file mode 100644
index 0000000..d19965e
--- /dev/null
+++ b/lib/get_geocode/geocode_cache.ex
@@ -0,0 +1,29 @@
+# TO BE IMPLEMENTED !!!
+# defmodule GetGeocodeCash do
+#   use GenServer
+
+#   def init(state) do
+#     {:ok, state}
+#   end
+
+#   def handle_cast({:store, new_data}, _state) do
+#     {:noreply, new_data}
+#   end
+
+#   def handle_call({:get, cep}, _from, data) do
+#     result = Map.get(data, cep)
+#     {:reply, result, data}
+#   end
+
+#   def start_link(state \\ []) do
+#     GenServer.start_link(__MODULE__, state, name: __MODULE__)
+#   end
+
+#   def store(new_data) do
+#     GenServer.cast(__MODULE__, {:store, new_data})
+#   end
+
+#   def get(cep) do
+#     GenServer.call(__MODULE__, {:get, cep})
+#   end
+# end