Identity & Security

Checks whether an email address is real and deliverable via syntax, MX, and SMTP checks.

Crowd-sourced IP address reputation and abuse reports for blocking malicious traffic.

Screens crypto wallet addresses for sanctions exposure, mixer use and illicit-wallet links across six chains.

Looks up threat intelligence on IPs, domains, URLs, and files: malware, passive DNS, and geo data.

Pay-as-you-go API that verifies email addresses and phone numbers in real time.

Signs and timestamps proofs of API calls (Ed25519, RFC 3161, Sigstore) for AI agent audit trails.

Validates phone numbers (E.164, line type) and emails (syntax, MX, disposable) via GET calls.

Search engine for internet-connected hosts: open ports, services, certificates and banners.

Validates US/Canada phone numbers with carrier lookup, geolocation and TCPA litigator screening.

Checks a photo's capture time, location metadata, C2PA credentials and signs of editing

Validates email deliverability, phone numbers, EU VAT IDs, addresses and domains in one family.

Searches US sex offender registries, inmate records and active warrants by name across all 50 states.

Screens crypto addresses, emails, websites, and IDs against OFAC, EU, UK sanctions and crime lists.

Looks up a Brazilian CPF number and returns the associated name, birth date, and gender.

Daily JSON feed of exploited CVEs with CVSS/EPSS scores and CISA KEV status, no key needed.

Checks email syntax, DNS/MX records, and flags disposable or temporary email addresses.

Reputation and risk score for an email address from breach, blacklist, and abuse signals.

Checks an email's syntax, MX records, deliverability and disposable/free-domain status.

Scores emails, IPs and Stripe payments for fraud risk using VPN, proxy and Tor detection.

Directory of adblock/host filter lists with metadata: license, syntax, language, maintainer, tags per list.

Browser/device fingerprinting API returning a stable visitor ID plus bot, VPN, and tampering signals.

Community-flagged database of phishing domains and URLs, with a live WebSocket feed of new entries.

Cyberspace mapping search engine for finding and analyzing internet-exposed devices, services and assets.

Screens e-commerce orders for fraud risk using IP, billing, and payment signals, returns a 1-100 score.

Attack-surface intelligence: domain and subdomain details, host data, and internet-wide asset discovery.

Scans text or files for exposed secrets like API keys and credentials, with a free 10k-call/month tier.

Checks passwords against breach data (k-anonymity, no key) and looks up known data-breach exposure by domain.

Real-time email verification checking deliverability, MX records, and disposable/role addresses.

Submits and looks up automated behavioral malware analysis reports powered by CrowdStrike Falcon Sandbox.

Looks up a card's issuing bank, brand, type and country from its first 6-11 digits (BIN/IIN).

Search leaked data, darknet content, pastes and archived public web pages by term or selector.

Detects VPN, proxy and Tor traffic per-request using 25+ network and client signals.

Community-sourced blacklist to check and report abusive IP addresses by threat type.

Checks whether an email domain belongs to a disposable/temporary-address provider.

Hosted customer login, SSO and identity management API with social login and MFA.

Validates email syntax, SMTP deliverability, disposable/role addresses and catch-all domains.

Checks if an email address is deliverable, disposable, or from a free provider like Gmail.

Real-time and bulk email verification: deliverability, catch-all, disposable, and role checks.

Daily-updated feed of malware sample metadata: hashes, threat level, family, and dropped files.

Community malware sample repository: hash lookups, search, file downloads and daily sample lists.

Detonates files, URLs, commands and documents in a sandbox VM and returns a scored verdict with IOCs.

Crowdsourced malware sample database: lookup and download samples by hash, YARA rule or ClamAV signature.

Official Microsoft security bulletin and CVE data in CVRF/CSAF format, no key needed.

Specs, images and pricing for 15,000+ phones, tablets and wearables by device or manufacturer.

Scans a website's HTTP response headers (CSP, HSTS, etc.) and returns a security grade and score.

Scans a domain's TLS setup and X.509 certificate chain and grades it against Mozilla's guidelines.

US government database of CVE vulnerability records with CVSS scores, descriptions and references.

Face-match, passive liveness, document and age-estimation checks for selfie-based identity verification.

Checks email addresses in real time for valid syntax, MX records, and disposable or role addresses.

Validates phone numbers worldwide and returns carrier, line type and location details.

Validates and looks up international phone numbers: format, carrier, line type, location.

Screens people and companies against global sanctions, PEP and watchlist data for AML/KYC checks.

Searchable phishing URL, IP, and domain database with ML confidence scores, updated every 90 minutes.

Checks phone number validity, carrier, line type, and location across 190+ countries.

Checks email syntax, MX records, SMTP mailbox status and disposable-address detection

Validates phone numbers globally and returns line type, carrier, format, and location.

Checks whether a phone number has an active WhatsApp account, including business accounts.

Threat intelligence lookups for IPs, domains, and URLs with risk scoring and IOC enrichment.

SMTP-level email verification (valid/invalid/risky/unknown) that stops before sending, billed per result.

Scans uploaded files for malware and threats across multiple detection engines, with regional data residency.

Scans URLs for malware and phishing in a sandboxed browser; search past scans by domain, IP or ASN.

Current and historical DNS, WHOIS and domain/IP intelligence for security and threat-research tools.

Searches internet-connected devices for open ports, services, banners and known vulnerabilities.

Runs a deep SSL/TLS configuration test on any public HTTPS server and returns an A+ to F grade.

AI-clustered threat intel: incident clusters, IOCs, CVEs, APT profiles, ransomware leak-site data.

Detects disposable emails, VPN/proxy use, device fingerprints and bot signups for fraud checks.

Risk-scores Solana agent/merchant wallets (wash trading, trust tier) for pre-payment checks.

Validates whether an email address exists via SMTP/DNS checks, singly or in bulk up to millions of addresses.

Database of malicious URLs and malware samples used for phishing and malware distribution.

Search public website scans for screenshots, DOM snapshots, and phishing/malware threat indicators.

US phone number lookup returning carrier, location, and FTC robocall complaint history, no key needed.

Searches 912K+ government-sourced school records and flags likely diploma mills for admissions review.

Validates phone numbers and returns carrier, line type and country across 243 territories.

Looks up US/Canada phone numbers for carrier routing, caller name, and spam reputation.

Scans submitted files or URLs for malware and NSFW content, credit-metered, GDPR-compliant.

Scans files, URLs, domains and IPs against dozens of antivirus engines and blocklists.

Domain and IP reputation/safe-browsing scores from WOT's user community and ML models.