diff --git a/endpoints.conf b/endpoints.conf
index f44810e..d82672a 100644
--- a/endpoints.conf
+++ b/endpoints.conf
@@ -6,6 +6,9 @@ location / {
    }
 
    if ($request_method = 'OPTIONS') {
+      add_header 'Access-Control-Allow-Origin' '*';
+      add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+      add_header 'Access-Control-Allow-Headers' '*';
       add_header 'Content-Length' 0;
       return 204;
    }