{
  "$schema": "https://json-structure.org/meta/extended/v0/#",
  "$id": "https://github.com/api-evangelist/mailboxlayer/blob/main/json-structure/mailboxlayer-check-result-structure.json",
  "name": "MailboxlayerCheckResult",
  "description": "Structured definition of the mailboxlayer GET /api/check successful response.",
  "type": "object",
  "properties": {
    "email": {
      "type": "string",
      "description": "Submitted email address"
    },
    "did_you_mean": {
      "type": "string",
      "description": "Suggested correction or empty string"
    },
    "user": {
      "type": "string",
      "description": "Local part (user) of the address"
    },
    "domain": {
      "type": "string",
      "description": "Domain part of the address"
    },
    "format_valid": {
      "type": "boolean",
      "description": "Syntax validity"
    },
    "mx_found": {
      "type": "boolean",
      "description": "MX record existence"
    },
    "smtp_check": {
      "type": "boolean",
      "description": "Real-time SMTP verification result"
    },
    "catch_all": {
      "type": ["boolean", "null"],
      "description": "Catch-all configuration of the domain"
    },
    "role": {
      "type": "boolean",
      "description": "Role-based address flag"
    },
    "disposable": {
      "type": "boolean",
      "description": "Disposable provider flag"
    },
    "free": {
      "type": "boolean",
      "description": "Free provider flag"
    },
    "score": {
      "type": "number",
      "description": "0.0 - 1.0 quality score"
    }
  },
  "required": [
    "email", "user", "domain",
    "format_valid", "mx_found", "smtp_check",
    "role", "disposable", "free", "score"
  ]
}