Public JSON API

Query domain intelligence as JSON. No API key required. Limit: 60 requests per minute per IP. For larger volumes, use the bulk lookup.

GET /api/public/v1/domain/{hostname}

curl https://domainintel.lovable.app/api/public/v1/domain/openai.com

Response:

{
  "hostname": "openai.com",
  "tld": "com",
  "registrar": "MarkMonitor Inc.",
  "registrant_org": null,
  "created_at": "2015-04-16T20:11:30Z",
  "updated_at": "...",
  "expires_at": "...",
  "name_servers": ["ns1...", "ns2..."],
  "status": ["client transfer prohibited"],
  "health_score": 92,
  "security_score": 78,
  "last_fetched_at": "...",
  "source": "domainintel.lovable.app"
}

Errors

400 invalid_hostname
404 not_found
429 rate_limited — back off for 60s

CORS

Open CORS — call from any origin.