diff --git a/.gitignore b/.gitignore
index 7037838f..a607472a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+/indexnow-key.txt
 /lock
 /nginx-tmp/
 /node_modules/
diff --git a/indexnow b/indexnow
new file mode 100755
index 00000000..dcb9942a
--- /dev/null
+++ b/indexnow
@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+
+import sys
+
+import requests
+import validators
+
+if len(sys.argv) > 1:
+    urls = sys.argv[1:]
+else:
+    urls = sys.stdin.read().splitlines()
+
+for url in urls:
+    if not validators.url(url):
+        sys.exit(2)
+
+if not urls:
+    sys.exit(3)
+
+host = "grapheneos.org"
+api_url = "https://api.indexnow.org/indexnow"
+
+with open("indexnow-key.txt") as keyfile:
+    key = keyfile.read().strip()
+
+def submit(urls):
+    data = {
+        "host": host,
+        "key": key,
+        "urlList": urls
+    }
+    r = requests.post(api_url, json=data)
+    print(r.status_code)
+
+submit(urls)
diff --git a/process-static b/process-static
index fae44c7a..81a55328 100755
--- a/process-static
+++ b/process-static
@@ -92,5 +92,7 @@ for file in static-tmp/**/*.@(atom|xml); do
     xmllint --noblanks "$file" --output "$file"
 done
 
+[[ -f indexnow-key.txt ]] && index_now_key="$(cat indexnow-key.txt)" && echo "$index_now_key" > "static-tmp/$index_now_key.txt"
+
 find static-tmp -regex '.+\.\(atom\|css\|html\|ico\|js\|json\|mjs\|pdf\|svg\|txt\|webmanifest\|xml\)' |
     parallel -q ::: brotli zopfli :::: -