the402 x402 endpoint directory

Brazil stored hydro energy (EAR) by grid subsystem, daily from the official grid operator (ONS), with 7-day delta. Bra

Brazil's tax transition calendar, year by year from 2026 to 2033: which taxes are in force each year, at what rate, an

Deterministic package existence for PyPI and npm, built from real published artifacts (never LLM guesses). Negative an

Convert between 30+ currencies at the European Central Bank's daily reference rate, for today or any past date. Return

Look up DNS records for any hostname: query A, AAAA, MX, TXT, CNAME, NS, SOA, CAA, SRV and PTR records with TTLs over

Raw RDAP registration record for a domain, returned as structured JSON.

Return timestamped Solana priority-fee quantiles for compute-unit bidding, optionally localized to up to 20 writable a

Convert a timestamp between IANA timezones with DST handled correctly. Returns local times, UTC offsets, weekday, and

Convert an array of JSON objects to CSV (nested keys become dot-path columns) or CSV back to JSON. POST { direction: '

Decision procedure for an agent that pins a catalog endpoint selection and binds it to an x402 quote, then checks for

Validate, normalize, and checksum an Ethereum or EVM wallet address and identify the zero address.

Extract canonical URLs, titles, descriptions, Open Graph, Twitter Card, and document metadata from a public page.

EDINET filing calendar: annual securities reports (yukashoken hokokusho) filed by Japanese listed companies in a date

Holt mehrere RSS- oder Atom-Feeds parallel, normalisiert Titel und Zeitstempel und fasst dieselbe Meldung aus verschie

Prüft MX, SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI, TLS am Mailserver und DNSSEC einer Domain und leitet daraus Spoofi

Return title, description, OpenGraph card, canonical URL, feeds, favicon and detected technologies for one URL.

Liest Format, Masse, Farbraum, Bittiefe, Alphakanal, Bewegtbild, ICC-Profil und Metadaten direkt aus dem Dateikopf von

Bestimmt den tatsaechlichen Dateityp aus der Signatur, erkennt Office- und Archivinhalte am Verzeichnis, meldet Makros

Zerlegt eine einzeilige oder mehrzeilige Anschrift in Strasse, Hausnummer, Zusatz, Postleitzahl, Ort und Land, erkennt

Prueft Fremdtext vor der Verarbeitung durch ein Sprachmodell auf zwoelf Angriffsmuster in Deutsch und Englisch, auf un

Prueft Text oder Quelltext auf 20 Arten von Geheimnissen: AWS, GitHub, GitLab, Slack, Stripe, OpenAI, Anthropic, Googl

Findet E-Mail, Telefon, IBAN mit Pruefsumme, Kreditkarte mit Luhn-Pruefung, IP-Adressen, Steuer- und Umsatzsteuernumme

Nimmt CSV oder eine Liste von Objekten, erkennt das Trennzeichen selbst, vereinheitlicht Spaltennamen, deutet Typen ei

Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer.

Live DNS records resolved via Cloudflare 1.1.1.1 DNS-over-HTTPS (public facts, real time). Query: ?name=anthropic.com&

Real browser-side adoption signal from the official jsDelivr Stats API: global CDN hit rank, rank within npm, total hi

Parse a 5-field cron expression: get a plain-English explanation and the next N run times (UTC). POST { expression, co

Line-based diff of two texts. Returns unified diff plus structured changes (added/removed/unchanged counts and hunks).

Convert an amount from one fiat currency to another using live reference exchange rates.

For site owners auditing AI readability: returns the clean markdown an LLM extracts from your page after nav, ads, and

Expand a shortened or redirecting URL: follows the redirect chain server-side and returns every hop plus the final des

Extract all hyperlinks from a web page as structured JSON: absolute URL, anchor text, internal/external classification

Extract structured metadata from any web page: title, description, canonical URL, Open Graph and Twitter card tags, fa

Extract structured metadata from any web page: title, description, canonical URL, Open Graph and Twitter card tags, fa

Daily fire hotspots across Brazil from the official INPE satellite program: count and mean intensity (FRP) by biome (A

USD/BRL two ways: the official Central Bank PTAX rate and the LIVE crypto market — BTC/BRL, USDT/BRL and the Brazil pr

Brazil macro snapshot in one call, straight from the Central Bank: Selic policy rate, IPCA inflation (monthly and 12-m

Brazilian financial & crypto market news, refreshed every 15 minutes from major Brazilian outlets: headline, summary,

Latest METAR observation, decoded, for any ICAO airport worldwide (NOAA AviationWeather.gov): wind direction/speed/gus

Resolves an ISBN-10 or ISBN-13 to a normalized bibliographic record from Open Library (Internet Archive): title, autho

Hourly air-quality data (PM2.5, PM10, ozone, NO2, European/US AQI) for any lat/lon, from the Copernicus CAMS model ser

Official Bank of Canada Valet observations, normalized JSON. Query: ?series=FXUSDCAD,FXEURCAD&recent=5 (1-10 comma-sep

Hourly EPEX Spot day-ahead electricity prices in EUR/MWh from the aWATTar market data API, normalized to ISO 8601 UTC

Current Hacker News front page via the official Firebase API, fanned out and merged into one payload: id, title, url,

Live Ethereum mainnet gas pricing from PublicNode RPC: next-block base fee, 25/50/75th-percentile priority tips over t

Monthly HICP inflation as annual rate of change (%) from Eurostat dataset prc_hicp_manr, the official primary source.

Euro Short-Term Rate (ESTR), the official euro overnight benchmark, direct from the ECB Data Portal (dataset EST, publ

Near-real-time pump prices (EUR/L) for French gas stations from the official roulez-eco feed (data.economie.gouv.fr, u

Latest observed 15-min records from RTE's eCO2mix national real-time dataset (ODRE portal, Licence Ouverte 2.0). Per r

Carbon intensity of Great Britain's electricity grid from the official NESO Carbon Intensity API (CC BY 4.0), in half-