curl --request POST \
  --url https://inbound.new/api/e2/guard/{id}/check \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "structuredEmailId": "<string>"
}
'

{
  "matched": true,
  "matchDetails": [
    {
      "criteria": "<string>",
      "value": "<string>"
    }
  ],
  "reason": "<string>"
}