{
  "id": "mailboxvalidator/apisguru-mailboxvalidator.com-checker",
  "sourceId": "apisguru:mailboxvalidator.com:checker",
  "providerSlug": "mailboxvalidator",
  "productSlug": "apisguru-mailboxvalidator.com-checker",
  "name": "MailboxValidator Free Email Checker",
  "provider": {
    "id": "mailboxvalidator",
    "name": "MailboxValidator",
    "platform": false,
    "external": true
  },
  "kind": null,
  "category": "fn-sales-marketing",
  "categories": [
    "fn-sales-marketing"
  ],
  "categoryInferred": true,
  "capability": null,
  "capabilityHints": [
    "pathV1EmailFree"
  ],
  "summary": "The MailboxValidator Free Email Checker checks if a single email address is from a free email provider and returns the results in either JSON or XML format. Refer to https://www.mailboxvalidator.com/a",
  "url": "https://api.apis.guru/v2/specs/mailboxvalidator.com:checker/1.0.0.json",
  "qa_score": null,
  "agent_default": false,
  "pricing": null,
  "sandbox": null,
  "sla": null,
  "coordinates": {
    "industry": null,
    "function": "fn-sales-marketing",
    "occupations": [],
    "records": []
  },
  "assigned": [],
  "demo": false,
  "external": true,
  "federated": false,
  "apis_ax": null,
  "source": "apis.guru",
  "sources": [
    "apis.io",
    "apis.guru",
    "github.com/public-apis",
    "apitracker.io (sitemap 2020-10)"
  ],
  "tier": 1,
  "probe": {
    "probedAt": "2026-08-24",
    "probeVersion": "0.1",
    "reachable": true,
    "rootStatus": 200,
    "latencyMs": 603,
    "docsLive": null,
    "specFound": true,
    "specUrl": "https://api.apis.guru/v2/specs/mailboxvalidator.com/checker/1.0.0/openapi.json",
    "machineFace": true,
    "authDocumented": false,
    "cors": true,
    "timeouts": 0,
    "errors": [],
    "probeScore": 4.5
  },
  "externalScores": {
    "apisIo": {
      "composite": 5.7,
      "band": "minimal",
      "agentReadiness": 0,
      "scoredAt": "2026-08-21",
      "source": "apis.io published scores; not a platform/api.qa score"
    }
  },
  "naics": {
    "code": "513210",
    "level": "national-industry",
    "basis": "sourceCategory:email",
    "inferred": true
  },
  "economicClass": "INFORM",
  "economicClassInferred": true,
  "economicClassBasis": "no effect signal in source operations",
  "interfaces": [],
  "urls": {
    "html": "https://apis.directory/apis/mailboxvalidator/apisguru-mailboxvalidator.com-checker/",
    "json": "https://apis.directory/apis/mailboxvalidator/apisguru-mailboxvalidator.com-checker.json"
  }
}