diff --git a/README.md b/README.md
index 7afb5d6..c0c84f1 100644
--- a/README.md
+++ b/README.md
@@ -189,6 +189,7 @@
 #### A technologies
 
 - [Actor Model](https://newsletter.systemdesign.one/p/actor-model)
+- [How API Gateway Works](newsletter.systemdesign.one/p/how-api-gateway-works)
 
 #### B technologies