EmailRep
UntestedOur check runs without a key, so we couldn't test this one. It doesn't mean it's down.
Reputation and risk score for an email address from breach, blacklist, and abuse signals.
Free tier, in plain English
The API itself now replies 'the unauthenticated API is currently disabled, please use an API key' to plain requests, so it no longer offers a keyless free tier.
Alternatives in Threat Intel
AbuseIPDBCrowd-sourced IP address reputation and abuse reports for blocking malicious traffic.FreemiumAlienVault Open Threat Exchange (OTX)Looks up threat intelligence on IPs, domains, URLs, and files: malware, passive DNS, and geo data.CensysSearch engine for internet-connected hosts: open ports, services, certificates and banners.FreemiumDefend NetworkDaily JSON feed of exploited CVEs with CVSS/EPSS scores and CISA KEV status, no key needed.FreeFilterListsDirectory of adblock/host filter lists with metadata: license, syntax, language, maintainer, tags per list.Free