diff --git a/README.md b/README.md
index 157edb1..eb9228e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 # atproto(at protocol)
 
+```sh
+$ curl -sL syu.is/xrpc/_health
+{"version":"0.4.65"}
+```
+
 - @
 - [at]mosphere
 - at://domain