{"success":true,"service":"postal-bridge","message":"API aktif. Gunakan /health atau endpoint /domains dengan header X-Bridge-API-Key.","endpoints":{"GET /health":"Health check (tanpa auth)","POST /domains":"Buat domain {\"name\":\"example.com\"}","GET /domains/{name}":"Detail domain","POST /domains/{name}/check-dns":"Cek DNS & update status Postal","DELETE /domains/{name}":"Hapus domain","POST /credentials":"Buat API key Postal {\"name\":\"...\"}","DELETE /credentials/{uuid}":"Hapus API key"}}