Every agent-payable API.

For a mail domain: lists up to 3 MX hosts with their IPv4 addresses and, from Shodan's pre-collected passive scan data, which SMTP ports (25, 465, 587) were seen open on each address. Passive and possibly old; no SMTP conversation, banner, STARTTLS or certificate test is made.

NHS England primary-care prescribing for a drug (official NHSBSA English Prescribing Dataset, monthly, ~2 months behind; the raw data behind OpenPrescribing.net): items, actual cost (GBP) and quantity, grouped by region, ICB, GP practice or product presentation, largest first. Match on BNF chemical substance or presentation name. Open Government Licence, no key.

DNSSEC check for a domain: whether a DS record exists at the parent zone (the domain is signed), and whether two public validating resolvers (AdGuard DNS, NextDNS) return its A answer with the AD (authenticated) flag. It reads the resolvers' verdict; it does not validate the signature chain itself.

Reads one public web page and returns its title, description and main text as Markdown (headings, links, lists), plus link counts. Reads only the page you name: no crawling of other pages, no JavaScript rendering, so pages that build their text in the browser may come back short.

Internet Archive Wayback Machine CDX index: archived snapshots of a URL or domain (timestamp, original URL, MIME type, HTTP status, length) with a link to each capture. Public, no key; the index lists captures, not page text.

Reports which newer HTTP protocols a site advertises: HTTP/3 (h3) and older draft or HTTP/2 alternatives in its Alt-Svc response header, and the Alt-Svc max-age. This is what the server announces, not a TLS ALPN negotiation: the fetch this tool makes cannot choose the protocol, so a site that negotiates but does not send Alt-Svc will show as not advertised.

World Rugby men's 15s world rankings (official rankings API, public, no key): position, team, country code, rating points and previous position and points, from the current table. Men's rankings only; the table is updated by World Rugby.

Reads a site's Referrer-Policy header and its <meta name=referrer> tag from the home page, works out the policy a browser would apply, and rates how much of the URL it sends to other sites (strict, moderate or leaky). One GET; links on other pages can set their own policy.

MangaDex manga search by title (public API, no key): id, title, year, publication status, content rating, genre tags, last chapter and page link. Metadata only; no chapter pages.

Reports whether Shodan's pre-collected passive scan data shows TCP port 53 (DNS) open on an IPv4 address. It is a passive port fact only: it does not send a query, so it cannot say whether the server answers recursively for outside names. Absence means not seen, not closed.

CWTS Leiden Ranking Open Edition 2025 (publication-based, about 2,800 universities, OpenAlex data): for a country or continent, field and period (2006-2009 to 2020-2023), each university's rank, name, country and the indicators of the chosen dimension: scientific impact (P, top 1%), collaboration (international, industry) or open access (P(OA), PP(OA)).

Lists the cookies a site sets on its public home page (one anonymous GET, no login) with their Secure, HttpOnly and SameSite flags, and flags the ones missing a flag. Cookies set later, after login or on other pages, are not seen.

New York Times home page headlines from the public NYT RSS feed (latest items; keyword filter on title/summary/categories). Headlines and abstracts only. Public feed, no key.

PR Newswire health-category press releases from its public RSS feed (keyword filter on title/summary). Latest items only. Public feed, no key.

Maps an IPv4 address to its origin AS number, the BGP prefix that covers it, the country, the registry and the allocation date, using Team Cymru's public IP-to-ASN DNS service. Returns no origin when Cymru has no mapping for the address.

Checks whether a host (domain or IP) is known to abuse.ch URLhaus as a malware distribution host: first seen, number of malware URLs, Spamhaus DBL / SURBL status and the latest URLs with status (online/offline), threat type, tags, reporter and URLhaus reference.

Hacker News story search through the official HN Search API (Algolia, public, no key): title, article URL, author, points, comment count and discussion link. Returns stories only, most relevant first.

Recent news articles (last ~72 hours) that match a query, from GDELT's public Context 2.0 API (DOC 2.0 API as fallback), no key: title, URL, domain, language, time seen and the matching sentence. Supports GDELT query syntax ("exact phrase", sourcelang:english, domain:bbc.co.uk). Covers the sources GDELT monitors, not every outlet. Rate-limited or slow GDELT answers return 503.

gCaptain maritime news from its public RSS feed (keyword filter on title/summary/categories). Latest items only. Public feed, no key.

On-page SEO audit of one public page from its HTML only: title and description length, one H1, canonical link, language, viewport, robots meta, Open Graph tags, images without alt text, internal and external links, word count. Returns each check with its value and pass or fail. No Core Web Vitals, backlinks or keyword volumes.

CNBC top news from CNBC's public RSS feed (keyword filter on title/summary). Latest items only. Public feed, no key.

WeChat Official Account (公众号) articles matching a query, from Sogou WeChat search (weixin.sogou.com): title, summary, account name, publish time and link, 10 per page. Links are Sogou redirect links that open the mp.weixin.qq.com article in a browser. Sogou may show a captcha under heavy use; that returns 503.

DNS records of a domain (A, AAAA, MX, NS, TXT, CNAME, CAA, SOA) resolved live through the public AdGuard DNS JSON resolver (NextDNS as backup). Shows answers as they resolve now, with TTLs; it does not walk the delegation chain or query the authoritative servers directly.

Checks a certificate SHA-1 fingerprint (40 hex characters) against the abuse.ch SSL Blacklist of certificates seen on malware botnet C2 servers. A hit returns the date added and the malware reason from the list. Only certificates this list tracks are covered.

Reads a site's public crossdomain.xml (Adobe Flash) and clientaccesspolicy.xml (Silverlight) if they exist, lists the origins they allow, and flags wildcard grants ('*'). Old policies are rarely needed now, so a wildcard here mostly means leftovers; absence is the normal case.

Lists the data breaches HaveIBeenPwned has recorded for a domain (breach name, breach date, accounts affected, data types exposed, verified flag). It is the public breach catalogue, not a check of individual email addresses (that needs a paid key and is not offered here).

TLS versions a host accepts (SSL 3, TLS 1.0 and 1.1 flagged as deprecated) and its cipher-suite strength from Qualys SSL Labs' cached report: suite count per protocol, weak suites (RC4, 3DES, NULL, EXPORT, DES, anonymous), and whether forward secrecy is offered. Reads existing reports only; a host that was never scanned returns a retry error.

USDA AMS Market News (official MyMarketNews API): search the catalogue of livestock, grain, dairy, fruit/vegetable and other market reports by title, or pass a report slug id to get its latest published rows (prices, volumes, report date). Data straight from USDA; needs the owner's free MARS API key.

PubMed article metadata by PMID (NCBI E-utilities esummary, public, no key): title, journal, publication date, authors and DOI for up to 20 ids. Summary fields only, no abstracts.

Checks an IPv4 address against the Blocklist.de 'all' list of IPs reported for attacks such as failed logins, SSH and mail abuse (about 24,000 addresses). A hit means it was reported recently; the list keeps only current reports.

Spamhaus blocklist check through Spamhaus's official Data Query Service: an IPv4 address against ZEN (SBL spam sources, CSS snowshoe, XBL exploited/botnet hosts, DROP hijacked ranges, PBL end-user ranges) or a domain against the Domain Block List (spam, phishing, malware, botnet C&C, abused legitimate domains). Returns listed yes/no, every return code with the list it means, and Spamhaus's lookup link. Point-in-time answer.

Lists the TCP ports Shodan has seen open on an IPv4 address, from its pre-collected passive scan data (not a live scan: nothing connects to the address now). The record can be days old, and an address with no record returns known=false, which does not prove the ports are closed.

One Hacker News item by numeric id from the official HN API (Firebase, public, no key): type, title, author, time, score, comment count, link and plain text. Deleted or unknown ids return 404.

US Department of Justice press releases from the justice.gov public RSS feed (keyword filter on title/summary). Latest items only. Public feed, no key.

HTTPS certificate chain and cipher audit for a host (port 443) from Qualys SSL Labs' cached report: grade, number of certificates in the chain, trust store, TLS versions, weak-cipher count, Heartbleed/POODLE/BEAST flags and HSTS. Only reads reports SSL Labs already has, so a host that was never scanned returns a retry error instead of a new scan.

GTEx Portal gene expression (public API v2, no key): median TPM of one gene in human tissues, sorted highest first, with the GENCODE id it was matched to. Uses GTEx v8 data; unknown gene symbols return 404.

Top 50 dapps from DappRadar's public rankings page: rank, name, token symbol, chains, market cap, token price, price change, trading volume, unique active wallets (UAW) and TVL, for 24h/7d/30d, optionally for one chain (eth, solana, bnb, base, polygon, arbitrum, tron...). Values in USD as shown by DappRadar; missing values are null. Public page, no key.

Checks an IPv4 address against IPsum, an aggregate of public blocklists: returns the number of source feeds that list it (its level, 1 to 8) and whether it is listed at all. A higher level means more feeds agree. Not listed means none of the aggregated feeds list it.

Official World Golf Ranking (OWGR public ranking API, no key): current men's position, player name, country, total points, average points and last week's position for the top players. Current ranking only; no tour or event history.

Has this place been built on or cleared in the last 12 months? Sentinel-2 satellite change detection for any lat/lon: NDVI/NDBI deltas, change direction, confidence and the scene-by-scene evidence.

Domain -> security letter grade (0-100, A-F) from HTTPS reachability, security headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy), and CAA records. Reports HTTPS connect success/failure, not raw cert expiry -- Workers can't read a remote server's cert metadata directly. For registration facts use /domain-intel; for URL reputation use /linkcheck.

Crawls the sitemap of the given domain and returns all discovered page URLs. Supports sitemap index files (recursive), parallel fetching with concurrency control, deduplication, and filters out non-page resources (images, PDFs, etc.).

Prüft am Objekt sitemap den Befund HTTP-Status der Sitemap.

Prüft am Objekt sitemap den Befund deklarierte Crawl-Verzögerung.

Prüft am Objekt sitemap den Befund Freigabe durch robots.txt.

Prüft am Objekt sitemap den Befund technische Indexierbarkeit.

Prüft am Objekt sitemap den Befund selbstreferenzierende kanonische Adresse.

Prüft am Objekt sitemap den Befund ausgelieferten Inhaltstyp.

Prüft am Objekt sitemap den Befund Wert des X-Robots-Tags.

Prüft am Objekt sitemap den Befund Wert der Meta-Robots-Angabe.