diff --git a/matrix_webhook/formatters/alertmanager.py b/matrix_webhook/formatters/alertmanager.py
new file mode 100644
index 0000000..45f834c
--- /dev/null
+++ b/matrix_webhook/formatters/alertmanager.py
@@ -0,0 +1,8 @@
+
+def formatter(data, headers):
+    """Pretty-print an alertmanager notification."""
+    text = ""
+    for alert in data['alerts']:
+      text += f"[{alert['status']}] - {alert['labels']['summary']}\n\n"
+    data["body"] = text
+    return data