diff --git a/src/index.ts b/src/index.ts
index ce91cc8..06c0e7d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,7 @@
 import { Hono } from "hono";
 import { handle as handleInbound } from "./routes/inbound";
 import { handle as handleRSS } from "./routes/rss";
+import { handle as handleAtom } from "./routes/atom";
 import { handle as handleAdmin } from "./routes/admin";
 import { handle as handleEntry } from "./routes/entries";
 import { handleCloudflareEmail } from "./lib/cloudflare-email";
@@ -102,6 +103,7 @@ app.use("*", async (c, next) => {
 // Group routes by functionality
 const api = new Hono();
 const rss = new Hono();
+const atom = new Hono();
 const entries = new Hono();
 const admin = new Hono();
 
@@ -133,6 +135,9 @@ api.post("/inbound", handleInbound);
 // RSS feed routes (public)
 rss.get("/:feedId", handleRSS);
 
+// Atom feed routes (public)
+atom.get("/:feedId", handleAtom);
+
 // Email entry HTML view (public)
 entries.get("/:feedId/:entryId", handleEntry);
 
@@ -142,6 +147,7 @@ admin.route("/", handleAdmin);
 // Mount the route groups
 app.route("/api", api);
 app.route("/rss", rss);
+app.route("/atom", atom);
 app.route("/entries", entries);
 app.route("/admin", admin);