Directory of Japanese (JP) rail operators and their lines, with canonical ids and Japanese/English names. Use to discover valid line and operator identifiers for the other endpoints.

API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.

Skim: JS-rendered reader — full headless browser render for SPAs and JS-gated pages; clean markdown ~4x smaller than raw HTML.

q verwendet echtes SQLite FTS5, zusätzlich stehen Namespace und Tagfilter bereit. Die verifizierte Zahleradresse ist der Eigentümer; Ergebnisse und gespeicherte Daten sind strikt auf diesen Zahler begrenzt.

Validate an IMO ship identification number check digit.

Request an On-Air Shoutout read on the GM Farcaster livestream

Convert any physical measurement — length, mass, volume, temperature, area, speed, pressure, energy, time, data storage & transfer rate, power, frequency, force, fuel economy (mpg/L per 100 km), angle. Auto-detects the category, handles US/imperial ambiguity, reports assumptions. Accepts natural-language queries ("what is 5 km in miles") and volume↔mass via density/substance. Deterministic and instant.

Liefert bis zu 200 Alarme seit einem optionalen ISO-Zeitpunkt. Die verifizierte Zahleradresse ist der Eigentümer; Ergebnisse und gespeicherte Daten sind strikt auf diesen Zahler begrenzt.

Base gas price check: the current gas price and latest block number; add ?gasLimit=150000 to also get what a transaction that size costs in ETH and USD

Ranked reconstitution suggestions for one published reconstitutable compound: bacteriostatic-water presets that put the published per-administration dose range's clean steps on whole U-100 syringe marks, with doses per vial. Refuses period-denominated ranges rather than guessing a frequency. Deterministic math over published reference data -- not medical advice, not a prescription, and for relay to a human decision-maker rather than autonomous administration.

Fetch one public HTTP(S) URL for research, extraction, or agent workflows. Returns the final URL, upstream status, content type, and decoded content. Private, local, metadata, and reserved destinations are blocked; redirects are revalidated and response size and duration are bounded.

Who launched this pump.fun token and what happened to their previous ones: launch count, graduation record, and whether the creator bought their own bonding curve

Fetch any URL and return clean text, title, description, Open Graph tags, canonical, favicon, headings, word count, reading time. Ideal for LLM agents building summaries or doing research. Edge-cached 5min. POST JSON { url, maxTextLen? }.

Convert a supplied HTML string into deterministic, LLM-ready Markdown. Preserves headings, links, lists, emphasis, and code without fetching a URL or invoking an AI model. Input is bounded to 2,000,000 characters.

Look up a domain: registration data from RDAP (registrar, created, expires, status, nameservers), live DNS records (A, AAAA, MX, NS, TXT, CNAME), the TLS certificate served at the name (issuer, validity, alternative names, fingerprint), and the HTTP front door (status, server, redirect). One JSON answer, no API key, no rate-limited WHOIS. GET with ?name= or POST. $0.005.

Get the top trending prediction markets on Polymarket, sorted by 24h volume. Returns up to 5 markets by default.

Use this to search market titles plus the latest Q summary for a shortlist of recent, open contracts. Returns 10 results by default, at most 20. Use direct topic keywords. Useful alternate angles may use focused searches within a 10-second discovery budget. On a timeout, return candidates already found instead of retrying. Use explicit as_of only for historical questions. Search does not expand graph relationships or run embedding search.

Read one public URL and return clean bounded page content with a SHA-256 content hash.

Check a URL before fetching it: is it alive, final URL after redirects, HTTP status, content type, HTML title, and whether robots.txt allows your user-agent. Link checker and fetch preflight for agents.

News Gurus Intel API — recent trading signals for one symbol (options flow, dark pool, technical, sentiment, congressional and more), with direction, strength, confidence and source agent. Lookback window via ?hours= (default 24). Educational data, not financial advice.