diff --git a/api/actions/deletenote.php b/api/actions/deletenote.php
new file mode 100644
index 0000000..4d67eed
--- /dev/null
+++ b/api/actions/deletenote.php
@@ -0,0 +1,24 @@
+<?php
+
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+/**
+ * Update a note.  If the note doesn't exist, creates a new one and saves it.
+ */
+try {
+    $note = Note::loadNote($VARS['id']);
+} catch (NoSuchNoteException $ex) {
+    sendJsonResp($Strings->get("Note does not exist", false), "ERROR");
+}
+
+if (!$note->hasWriteAccess(getRequestUser())) {
+    sendJsonResp($Strings->get("You don't have permission to edit this note.", false), "ERROR");
+}
+
+$note->deleteNote();
+
+sendJsonResp($Strings->get("Note deleted", false), "OK", ["id" => $note->getID()]);
diff --git a/api/apisettings.php b/api/apisettings.php
index a4555fb..2c1b2de 100644
--- a/api/apisettings.php
+++ b/api/apisettings.php
@@ -20,7 +20,7 @@ $APIS = [
     "getnote" => [
         "load" => "getnote.php",
         "vars" => [
-            "id" => "numeric"
+            "id" => "/^[0-9]+$/"
         ]
     ],
     "savenote" => [
@@ -33,5 +33,11 @@ $APIS = [
             "favorite (optional)" => "/^[0-1]+$/",
             "archived (optional)" => "/^[0-1]+$/"
         ]
-    ]
+    ],
+    "deletenote" => [
+        "load" => "deletenote.php",
+        "vars" => [
+            "id" => "/^[0-9]+$/"
+        ]
+    ],
 ];
diff --git a/langs/en/notes.json b/langs/en/notes.json
index bba3f54..2cd8061 100644
--- a/langs/en/notes.json
+++ b/langs/en/notes.json
@@ -27,5 +27,6 @@
     "Note Reminder": "Note Reminder",
     "Open {app} to read more": "Open {app} to read more",
     "You don't have permission to edit this note.": "You don't have permission to edit this note.",
-    "Note saved": "Note saved"
+    "Note saved": "Note saved",
+    "Note does not exist": "Note does not exist"
 }