curl --request DELETE \
  --url https://api.blaxel.ai/v0/sandboxes/{sandboxName}/previews/{previewName} \
  --header 'Authorization: Bearer <token>'

{
  "metadata": {
    "createdAt": "<string>",
    "updatedAt": "<string>",
    "createdBy": "<string>",
    "updatedBy": "<string>",
    "displayName": "<string>",
    "name": "<string>",
    "resourceName": "<string>",
    "resourceType": "<string>",
    "workspace": "<string>"
  },
  "spec": {
    "customDomain": "<string>",
    "expires": "<string>",
    "port": 123,
    "prefixUrl": "<string>",
    "public": true,
    "region": "<string>",
    "requestHeaders": {},
    "responseHeaders": {},
    "ttl": "<string>",
    "url": "<string>"
  }
}