Free online tool to check your website's HTTPS, DNS, and HTTP headers. Hosted in the Netherlands 🇳🇱, no ads, no tracking.

API Endpoints

GET /check?url=https://example.com - Check HTTPS security for a URL

# Check a website:
$ curl "https://checkmijnhttps.nl/check?url=https://example.com"
{
"url": "https://example.com",
"grade": "A",
"score": 95,
"max_score": 100,
"https_available": true,
"http_redirects": true,
"tls": { ... },
"security_headers": { ... },
"issues": [],
"recommendations": []
}

GET /check/{url} - Alternative endpoint format

# Check using path parameter:
$ curl "https://checkmijnhttps.nl/check/https://example.com"

POST /check - Check using POST with form data

# POST request:
$ curl -X POST -d "url=https://example.com" "https://checkmijnhttps.nl/check"