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FFraud

Free IP and email fraud checks for apps and AI agents

FreeSecurity+1Listed Nov 9, 2026
Live on LaunchesWeek 46

About FFraud

FFraud is a free IP and email intelligence API. Check any IP address for a fraud score, abuse history and VPN, proxy, Tor or data center use, or check an email address for throwaway and invalid domains. The public lookups need no key, and there are no daily or monthly caps. It also runs a hosted MCP server, so AI agents in Claude, Cursor or any MCP client can run the same checks.

What FFraud does

AINave analysis

It checks IP addresses, email addresses and devices for fraud risk so a service can decide whether to accept a signup, login or checkout.

Best for
DevelopersOnline service operatorsSecurity teams
Use it to
  • Screening signups for disposable email addresses
  • Scoring IP addresses for proxy, VPN or Tor use
  • Blocking known malicious IPs from open lists
  • Spotting one device behind many accounts
  • Letting AI agents run IP and email checks

Based on FFraud's listing and website.

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