All 100+ tools are available as a JSON API. Free API keys unlock 1,000 requests per day with no account required.
Enter your email to generate a key instantly. No password, no verification email. Save the key when it appears.
Pass the key via header (recommended) or query parameter:
curl -H "X-API-Key: YOUR_KEY" "https://vlanlab.com/api/v1/dns?name=example.com"
curl "https://vlanlab.com/api/v1/dns?name=example.com&key=YOUR_KEY"
curl -H "X-API-Key: YOUR_KEY" "https://vlanlab.com/api/v1/keys/info"
Every tool on VLANlab has a matching API endpoint. Full reference at vlanlab.com/api-docs.
/api/v1/dns?name=example.com&type=MXDNS lookup/api/v1/whois?domain=example.comWHOIS lookup/api/v1/ssl?host=example.comSSL certificate check/api/v1/ip-geo?ip=8.8.8.8IP geolocationEvery endpoint returns the same JSON envelope:
{
"ok": true,
"success": true,
"tool": "dns",
"version": "1",
"data": { ... }
}
// On error:
{
"ok": false,
"success": false,
"error": { "code": "RATE_LIMIT_EXCEEDED", "message": "..." }
}