curl --request DELETE \
  --url https://api.portkey.ai/v1/guardrails/{guardrailId} \
  --header 'x-portkey-api-key: <api-key>'

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "param": "<string>",
    "type": "<string>"
  }
}