diff --git a/_locales/de/messages.json b/_locales/de/messages.json
index 05a5624..0a59a72 100644
--- a/_locales/de/messages.json
+++ b/_locales/de/messages.json
@@ -467,6 +467,10 @@
 		"message": "API auf {url} blockiert, weil die CanvasBlocker-Einstellungen nicht rechtzeitig geladen wurden.",
 		"description": ""
 	},
+	"blocked": {
+		"message": "API auf {url} blockiert.",
+		"description": ""
+	},
 	"fakedReadout": {
 		"message": "Auslese vorgetäuscht auf {url}",
 		"description": ""
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 4fd4a9f..aaa16bc 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -467,6 +467,10 @@
 		"message": "API blocked on {url} because CanvasBlocker-settings were not loaded in time.",
 		"description": ""
 	},
+	"blocked": {
+		"message": "API blocked on {url}.",
+		"description": ""
+	},
 	"fakedReadout": {
 		"message": "Faked readout on {url}",
 		"description": ""
diff --git a/lib/modifiedAPIFunctions.js b/lib/modifiedAPIFunctions.js
index c3ddedd..3b76b8a 100644
--- a/lib/modifiedAPIFunctions.js
+++ b/lib/modifiedAPIFunctions.js
@@ -27,6 +27,7 @@
 			}
 			return callback.call(object, args, check);
 		}
+		check.notify.call(object, "blocked");
 		return undefined;
 	};
 }());
\ No newline at end of file
diff --git a/releaseNotes.txt b/releaseNotes.txt
index c333aed..52011b2 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -2,6 +2,7 @@ Version 0.4.6:
 	changes:
 		- Changes in the random supply API
 		- Added grouping to API white list
+		- Show page action when API is blocked
 	
 	new features:
 		- Can protect Audio API