diff --git a/learn_livebook_api.livemd b/learn_livebook_api.livemd
index d47801e..79ec002 100644
--- a/learn_livebook_api.livemd
+++ b/learn_livebook_api.livemd
@@ -1,9 +1,24 @@
 # livebook api
 
+```elixir
+Mix.install([
+  {:kino, "~> 0.16.1"},
+  {:plug, "~> 1.18"}
+])
+```
+
 ## Section
 
 https://news.livebook.dev/livebook-0.13-expose-an-http-api-from-your-notebook-2wE6GY
 
 ```elixir
+Kino.Proxy.listen(fn conn ->
+  Plug.Conn.send_resp(conn, 200, "hello world!")
+end)
+```
+
+replace ip address and port numbers of livebook server
 
 ```
+curl -L "http://ipaddress:port/proxy/sessions/4gqhbukjeigg5ht4zphpi7gihyoyl247x2rhcs63nnsd2dyj"
+```