Free & open API

Risk intelligence for every signal you check

BIN, IP, VPN, Tor, WHOIS, RDAP, DNS, email, phone, card and SSL checks plus fraud scoring — all in one place.

Payments & fraud

BIN Lookup

Look up card issuer, brand, type and country by the first 6–8 digits of a card number.

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Card Check

Validate card numbers with the Luhn algorithm and brand-specific length rules.

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Fraud Check

Score an order's fraud risk using email, IP address, card BIN and cardholder name.

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IBAN Validator

Validate an IBAN's structure and mod-97 checksum, and identify its issuing country.

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Network & IP

IP Lookup

Geolocate an IP address and check whether it belongs to a datacenter or VPN/proxy network.

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VPN Check

Check whether an IP address belongs to a known VPN or proxy network.

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Datacenter Check

Check whether an IP address belongs to a known datacenter/hosting network.

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Tor Check

Check whether an IP address is a known Tor exit node.

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Subnet Calculator

Network address, broadcast, netmask and usable host range for any IPv4/IPv6 CIDR.

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ASN Lookup

Look up who owns an IP address — autonomous system number and organization.

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Domain, DNS & SSL

WHOIS

Look up domain registration details: registrar, owner, and important dates.

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RDAP

Structured domain registration data: contacts, events, status and DNSSEC.

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DNS

Full DNS lookup across A, AAAA, MX, TXT and other record types.

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SSL/TLS Lookup

Certificate issuer, validity, SAN domains and trust chain for any host.

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Domain Age

Check a domain's registration date — a freshly registered domain is a well-known fraud signal.

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Identity & device

Email Check

Syntax, MX records, disposable domains, role-based addresses and optional SMTP verification.

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Phone Check

Phone country, VoIP/prepaid line type and comparison with an IP geolocation country.

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MAC / OUI Lookup

Identify the manufacturer behind a MAC address from the IEEE OUI registry.

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User-Agent Parser

Browser, OS and device type from a User-Agent string, with bot/crawler detection.

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Utilities

Notes

Save a name and some text and get back a link — fetching it returns the raw text, not JSON.

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What's My IP

See what your own connection reveals — IP, geolocation, VPN/Tor/datacenter flags and browser details.

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