diff --git a/lib/api/index.ts b/lib/api/index.ts
index febb9da9f..ed369cb1c 100644
--- a/lib/api/index.ts
+++ b/lib/api/index.ts
@@ -1,7 +1,9 @@
 import { Hono } from 'hono';
 import rules from '@/api/radar/rules';
+import routes from '@/api/routes';
 
 const app = new Hono();
-app.get('/radar/rules.json', rules);
+app.get('/radar/rules', rules);
+app.get('/routes', routes);
 
 export default app;
diff --git a/lib/api/routes/index.ts b/lib/api/routes/index.ts
new file mode 100644
index 000000000..b94ada752
--- /dev/null
+++ b/lib/api/routes/index.ts
@@ -0,0 +1,6 @@
+import type { Handler } from 'hono';
+import { namespaces } from '@/registry';
+
+const handler: Handler = (ctx) => ctx.json(namespaces);
+
+export default handler;