diff --git a/README.md b/README.md
index 21e48ff..1c1dfba 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # Notifications Playground
 
 Playing with https://ntfy.sh/
+Local source mirror: https://git.batts.cloud/mirrors/ntfy
 
 ```shell
 curl \
@@ -11,3 +12,4 @@ curl \
   ntfy.sh/farts
 ```
 
+Subscribe API: https://docs.ntfy.sh/subscribe/api/