Terms of Service

FFraud is a free IP intelligence API operated by Obsidian UG (haftungsbeschränkt), Leopoldstr. 2-8, 32051 Herford, Germany (HRB 20982, Amtsgericht Bad Oeynhausen). You can hit our public endpoint without signing up, or create a free account to get a personal API key with batch lookups and usage stats. There are no usage caps and no paid tier.

By using the service or creating an account you agree to these terms. They are short on purpose. Read the whole thing. See also our Impressum for the full legal entity details.

You can use FFraud to flag, score, or enrich IP addresses for any lawful purpose. Cache responses on your end. We edge-cache for 5 minutes; you can cache longer. Fair-use burst rate limits keep the API fast for everyone; hitting them returns 429, not a paywall.

You may resell FFraud. Build the API, its answers or the open data into your own product or service, sell it under your own name and keep what your customers pay. There is no fee, no revenue share and no duty to name or link FFraud. For heavy traffic, ask us for higher limits or more nodes instead of opening extra accounts; they stay free. Sending us the abuse you see is welcome and optional. The open data keeps its MIT license notice. See the reseller program.

• Scrape or harvest the entire dataset by enumerating IPs. For bulk use, the open data files are free to download.
• Use FFraud to target individuals. Physical addresses, dox, harassment, stalking, lawful-interception bypass.
• Use FFraud where the result determines someone's legal rights without a human in the loop. We are not a credit decision, employment screening, or law-enforcement tool.

• You are responsible for keeping your API key secret. We hash keys server-side; we cannot recover a lost key, only rotate it.
• One account per person. Sock-puppet accounts to bypass rate limits will be revoked.
• We may suspend accounts that abuse the service. Denial-of-service patterns, mass bot traffic, attempts to scrape the database.

Reports submitted via /report-ip (community submissions) are reviewed and may be added to the public threat intelligence database. By submitting a report you confirm:

• You observed the behavior described.
• The submission is in good faith.
• You grant us a non-exclusive license to use the report content as part of the public threat intel feed.

We do not publish your email or personal info without your consent. Only the IP and what you reported it for.

The service is provided "as is." We work hard to keep the data fresh and the API up, but we do not guarantee it. Do not use FFraud as the sole decision authority for anything that matters. Payments, bans, lockouts. Our score is a signal, not a verdict.

To the extent permitted by law, we are not liable for damages. Direct, indirect, lost revenue, lost data. Arising from use of the service. Since the service is free, our liability ceiling is limited to what you paid us, which is zero.

We may update these terms. Changes are posted on this page with a new "last updated" date. Material changes are announced via email to registered accounts at least 14 days before they take effect. Continued use after the effective date means you accept the new terms.

For questions, write to team@ffraud.com. Replies usually within one business day.

See also our Privacy Policy and Impressum.