diff --git a/next.config.js b/next.config.js
index 82a16b9..6a135a9 100644
--- a/next.config.js
+++ b/next.config.js
@@ -25,6 +25,14 @@ const nextConfig = {
       },
     ];
   },
+  async rewrites() {
+    return [
+      {
+        source: '/api/badge/:login.svg',
+        destination: '/badge/:login.svg',
+      },
+    ];
+  },
   images: {
     remotePatterns: [
       { protocol: 'https', hostname: 'avatars.githubusercontent.com' },
diff --git a/tests/next-config.test.js b/tests/next-config.test.js
new file mode 100644
index 0000000..7220201
--- /dev/null
+++ b/tests/next-config.test.js
@@ -0,0 +1,14 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import nextConfig from '../next.config.js';
+
+test('rewrites documented badge API path to badge route', async () => {
+  const rewrites = await nextConfig.rewrites();
+
+  assert.deepEqual(rewrites, [
+    {
+      source: '/api/badge/:login.svg',
+      destination: '/badge/:login.svg',
+    },
+  ]);
+});