curl --request DELETE \
  --url https://api.example.com/fleets/{fleet}/gateways/{gateway}

{
  "code": "<string>",
  "detail": "<string>",
  "status": 123,
  "title": "<string>",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ]
}