diff --git a/src/app/.well-known/webauthn/route.ts b/src/app/.well-known/webauthn/route.ts
new file mode 100644
index 0000000..f2137f0
--- /dev/null
+++ b/src/app/.well-known/webauthn/route.ts
@@ -0,0 +1,12 @@
+import { NextResponse } from 'next/server';
+
+/**
+ * Related Origin Requests for WebAuthn
+ * Allows passkeys registered with RP ID "rspace.online" to be used on rmaps.online
+ * See: https://passkeys.dev/docs/advanced/related-origins/
+ */
+export async function GET() {
+  return NextResponse.json({
+    origins: ['https://rspace.online'],
+  });
+}