Verify X (Twitter) accounts by username, email, or phone. Extract join dates, follower metrics, and registration presence.

Verify Amazon accounts by email, phone, or vanity handle. Detect Author profiles, Influencer Storefronts, customer accounts, and extract masked contact info.

Domain facts are spread across WHOIS/RDAP, DNS, TLS and HTTP

Check an image and a text prompt for public figures, copyright concerns and NSFW content before you generate or publish.

Check any image with the Stable Diffusion content filter and get the NSFW verdict and matched concepts.

Classify an image as normal or NSFW with a fine-tuned Vision Transformer.

Check an image against a sexually explicit, dangerous content or violence policy and get yes and no probabilities.

Check whether a user message or an AI reply is safe with Meta's Llama Guard 2 8B.

Check whether a user message or an AI reply is safe with Meta's Llama Guard 3 8B.

Check videos for visual NSFW content in sampled frames, with a JSON report and optional screenshots.

Check images for NSFW content with an adjustable sensitivity margin.

Classify user prompts and assistant responses as Safe, Unsafe or Controversial, with a category and refusal check.

Check whether a message or image is safe with Meta's Llama Guard 4 12B, using your own classification instructions.

Effortlessly retrieve DNS records for any domain, from A and AAAA to TXT and HTTPS, with this comprehensive DNS Checker API.

See what a site does before anyone clicks Accept: cookies, trackers, fonts and forms that break GDPR, each finding with its legal basis.

Identify domain owners, validate SSL certificates, and check IP WHOIS data.

The Retrieve Page Rank API provides search engine ranking insights for a specified domain, helping users monitor SEO performance and competitive standing.

Look up the public DNS records of up to 50 domains in one call and get one flat JSON row per record. No key for the source, no rate games.

Check AI agent output against a JSON Schema, catch empty or copied content, and get an accept, review or reject verdict signed with Ed25519.

Find the weak points in a site's Content Security Policy in one call: verdict, script protection level, grade and coded issues with W3C references.

One call returns a domain's WHOIS, SSL certificate, DNS records, email authentication, redirects and security headers grade.

Grade a page's CSP, HSTS, frame protection, Referrer-Policy and cookie flags, with a 0 to 100 score and advice for each check.

Check the TLS certificate a site serves: trust, expiry, hostname match, days left, issuer, alt names, protocol and full chain.

Check a domain's RDAP registration, DNS, SPF, DMARC and lookalike signals, with an explained risk score and TLD availability.

Encrypt and decrypt text or files with AES, DES, TripleDES, RC2 or Rijndael, using your own secret key and CBC, ECB or CFB mode.

DNS checker and DNS lookup API that audits a domain's A, AAAA, NS, MX, TXT and CAA records, DNSSEC, wildcard DNS and DNS host with a 0-100 health score.

Concurrently scan digital footprints across 6 major social networks (Google, Microsoft, Facebook, Instagram, Snapchat, X) by email, username, or phone number in a single API call.

High-speed verification for any Google Account: Gmail inboxes, custom-domain Google Workspace emails, and international phone numbers.

Look up a domain's A, AAAA, MX, NS, TXT, CNAME, SOA, CAA and SRV records in one call, with an email summary showing MX presence and SPF record.

Check if a domain is registered and get its registrar, creation and expiry dates, age, status, nameservers and DNSSEC from RDAP data.

Check the HTTP security headers of any website, including HSTS, CSP and X-Frame-Options, and get a score, a grade and a list of fixes.

Generate cryptographically secure random passwords with an entropy score and UUID v4 identifiers, up to 100 per request, from two GET endpoints.

Check whether a DNS change has propagated by querying six public resolvers at once and getting their answers, agreement, consensus and response times.

Detect and censor profanity in user text across 25+ languages, with leetspeak detection, custom blocked words and an allow-list for false positives.

Check if domain names are available across many extensions in one call via registry RDAP with DNS fallback, plus registrar, creation and expiry dates.

Scan container images, git repos or uploaded code for CVEs and code security issues. Get a risk score and findings as JSON or PDF.

Paste raw email headers and get the delivery path plus SPF, DKIM and DMARC results as clean JSON.

Check any URL's CORS policy in one call: simple request and preflight headers, plus detected misconfigurations as clean JSON.

Check any website's HTTP security headers and get an instant A+ to F grade with a 100-point score.

Look up DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, PTR) for any domain via Cloudflare DNS-over-HTTPS — verify SPF/DKIM/DMARC in one call.

Validate WhatsApp numbers for free and access complete public profiles, including photos, with unmatched performance.

Uptydupty is an API-only monitor for URLs. No dashboard to white-label, no competitor logo on the page your users see. Register a site, read JSON reports...

Verify Microsoft accounts with enterprise Azure AD tenant detection, personal MSA classification, display names, and masked recovery info.

Verify Snapchat accounts by username, email, or phone. Retrieve 3D Bitmojis, display titles, subscriber counts, star badges, and Snapcode QR links.

Verify Facebook accounts by email, phone, or username. Retrieve numerical Profile IDs, HD avatar photos, custom avatar flags, and linked Instagram accounts.

Verify Instagram account existence with deep profile metrics, numerical User ID, follower counts, verified badges, and creator categories.

Verify WhatsApp registration instantly with business classification, verified badge, avatar photo, and catalog detection.

Check SPF/DKIM/DMARC configuration for any domain

Scan npm & PyPI packages for vulnerabilities, licenses & security scores

DNS, SSL & Port diagnostics for any domain in one call

Analyze text, usernames, and domains for homoglyphs, mixed scripts, and UTS #39 security risks using the latest Unicode 17 data.

Instantly check password strength using advanced entropy analysis, get real-time scores, crack time, and suggestions without storing any data.

Quickly retrieve comprehensive details for any IPv4 or IPv6 address, or automatically get client IP information with high performance.

Detect CMS, frameworks, JavaScript libraries, analytics tools, CDNs, server tech & more from any URL. Returns 50+ technology categories with confidence scores.

Extract Core Certificate Details such as subject, issuer, validity dates, serial number, and signature algorithm, map out the entire certificate trust chain.

Check SSL certificate details for any website in seconds. Validate domain security, issuer, and expiry with a fast, simple API call.

Audit HTTP security headers for any URL — check CSP, HSTS, X-Frame-Options, CORS, and 15+ headers. Returns a security score and remediation advice.

Scrape Google search results in real time. Extract organic rankings, snippets, featured answers & People Also Ask. JSON output, free tier included.

Fetch, parse, and validate robots.txt files for any domain, instantly extracting crawl rules, sitemaps, and bot directives with high accuracy.

Integrate powerful return fraud intelligence, leveraging 12 patterns, 5 risk tiers, and 8 prevention rules to build high-performance detection and scoring engin

Access comprehensive, structured phishing intelligence to identify threat actors, indicators, and URL schemes, performing at 60 requests/minute for robust secur

Rapidly identify line type, carrier, spam score, and fraud risk for any phone number to enhance security and compliance.

Generate cryptographically strong, customizable passwords via REST. Secure way to generate strong, unique, random passwords.

Fetch Open Graph tags, Twitter Cards, canonical URLs, meta robots, hreflang & full SEO meta from any webpage in one call.

Instantly audit any website or privacy policy for GDPR & EU AI Act compliance, returning a scored report in seconds.

Identity Risk Scorer API. Composite fraud risk scoring from email, phone, and IP signals. Send a JSON POST request through api.market and receive a st

Retrieve accurate WHOIS data, DNS records, and website insights with a fast and reliable API.