diff --git a/frontend/nginx.conf b/frontend/nginx.conf
index 5e4aa1b..98afe1b 100644
--- a/frontend/nginx.conf
+++ b/frontend/nginx.conf
@@ -40,4 +40,12 @@ server {
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     }
+
+    # Etherscan-compatible API (exact /api path with query params, no trailing slash)
+    location = /api {
+        proxy_pass http://atlas-server:3000/api;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }
 }