curl --request POST \
  --url https://api.example.com/v1/emails/validation \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "email": "jsmith@example.com",
  "mx_records": false
}
'

{
  "success": true,
  "email": {
    "processed_attempted": true,
    "email": "person@company.com",
    "status": "Valid",
    "note": "isp_spf rule 1,cached",
    "isp": "google",
    "isp_spf": "google",
    "isp_used": "google",
    "isp_rule": "mx",
    "isp_error": "",
    "isp_server": "desktop3-em",
    "proxy": "ip6proxyd",
    "mx": "aspmx.l.google.com",
    "spfrecs": "v=spf1 a mx ptr include:secureserver.net include:_spf.google.com ~all"
  }
}