{
  "ok": true,
  "service": "mtech-cache-purge",
  "zone": "mtech.shop",
  "usage": {
    "purge_all": "POST /purge with Authorization: Bearer <token>",
    "purge_files": "POST /purge {\"files\":[\"https://mtech.shop/...\"]}",
    "purge_tags": "POST /purge {\"tags\":[\"product-123\"]}"
  }
}