diff --git a/README.md b/README.md
index 19f65ee..0898a43 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,15 @@ npm install
 npm run dev
 ```
 
+The default API endpoint used to contact a Waku Node is http://localhost:8645
+
+In order to set a custom endpoint, please set the env variable `VITE_API_ENDPOINT`
+
+For example
+```
+export VITE_API_ENDPOINT=<my-other-endpoint>
+```
+
 ### Docker
 
 ```