Mozilla http scanner
FreeUntestedOur check runs without a key, so we couldn't test this one. It doesn't mean it's down.
Scans a website's HTTP response headers (CSP, HSTS, etc.) and returns a security grade and score.
Example request
curl -s -X POST 'https://observatory-api.mdn.mozilla.net/api/v2/scan?host=mozilla.org'
Free tier, in plain English
Free and keyless, with only a one-minute-per-host cooldown; no published total request cap.