curl --request POST \
  --url https://api.instantly.ai/api/v2/accounts/test/vitals \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "accounts": [
    "user@example.com"
  ]
}
'

{
  "status": "success",
  "success_list": [
    {
      "domain": "example.com",
      "allPass": true,
      "mx": true,
      "spf": true,
      "dkim": true,
      "dmarc": true
    }
  ],
  "failure_list": [
    {
      "domain": "example.com",
      "allPass": false,
      "mx": false,
      "spf": false,
      "dkim": false,
      "dmarc": false
    }
  ]
}