the402 x402 endpoint directory

Verifies an ICD-10-CM diagnosis code or searches the code set by text, returning official code descriptions.

Commercial airports within a radius of a coordinate, sorted by distance, with IATA and ICAO codes, city and bearing.

Searches PubMed and returns citation metadata for each hit: title, journal, publication date, authors, DOI and PMID.

The full GitHub Advisory Database record for a GHSA or CVE id: severity, CVSS, EPSS, CWEs, and the affected package an

Earthquakes from the USGS catalog within a radius and time window of a point, with magnitude, depth, distance and time

Earthquakes above a magnitude threshold in the last N hours, worldwide or within a radius of a point, newest first.

Estimate the gas a transaction will consume via eth_estimateGas before signing it

X User Profile ($0.004/call): Fetch an X (Twitter) account by handle: display name, bio, follower/following/tweet coun

Stablecoin Peg Monitor ($0.004/call): Live peg-and-supply snapshot for any stablecoin by symbol (USDC, USDT, DAI, ...)

Email verification and deliverability check without sending anything: syntax, MX records, disposable-domain detection

Settlement Attestation. A signed JSON observation of one transaction on Base, Polygon, or Solana — the identifier's sh

Returns Hacker News and Reddit attention trends.

CPG product data + shop prices by barcode or name. Open Food Facts + Open Prices. Ed25519 attested.

Use when an agent needs crypto price. Returns Real-time cryptocurrency price data. $0.004.

Returns current weather observations, METAR, for an airport.

Returns current weather observations, METAR, for an airport.

Query the CDP x402 Bazaar discovery API, normalize paid resources, surface resource URL, service name, tags, scheme, n

Search CoinCap assets by name or symbol (agent-optimized).

Reloadpi — List all countries where digital vouchers and gift cards are available

ERC-20 token profile on any major EVM chain: on-chain metadata (name, symbol, decimals, total supply) read straight fr

Crypto and financial news search. Returns current headlines about cryptocurrencies, tokens, markets and finance with s

Resolve a GTIN/EAN prefix to its GS1 Member Organisation (not country of origin).

Use when an agent needs keyword extract. Returns Ranked keyword and named-entity extraction from text, returned as cle

JSON to TOML. POST a JSON object; the response is a TOML document. The root must be an object, because TOML's root is

TOML to JSON. POST a TOML document; the response is pretty-printed JSON. A conforming parser handles the parts hand-ro

Markdown to a JSON token tree. POST Markdown; the response is {"toc": [{depth, text}], "tokens": [...]} — the marked l

Markdown frontmatter to JSON. POST a Markdown file that begins with a --- fence; the response is {"data": the parsed Y

Markdown to HTML conversion

Run ONE named check against a response you paste

Berechnet Entfernung und Fahrzeit zwischen bis zu 25 Punkten, wahlweise als volle Matrix oder als Start-Ziel-Kreuz. Ni

NFT metadata for ERC-721 and ERC-1155 tokens on Base, Polygon, Arbitrum, Optimism and Ethereum. Resolves tokenURI thro

NFT metadata for ERC-721 and ERC-1155 tokens on Base, Polygon, Arbitrum, Optimism and Ethereum. Resolves tokenURI thro

Use when an agent needs bazaar delta. Returns x402 Bazaar day-over-day catalogue diff between the two latest daily ful

Use when an agent needs base usdc transfer check. Returns Verify a Base mainnet transaction moved USDC: decodes all US

CPG product data + shop prices by barcode or name. Open Food Facts + Open Prices. Ed25519 attested.

Fetch current USD price, market capitalization, 24-hour trading volume, 24-hour percentage change, and source update t

New pair scan seconds after launch: Uniswap v4 pools read straight off Base before any indexer has them - the launched

Rendert eine URL in Headless Chrome und liefert PNG als Base64 plus kurzlebige Abhol-URL. Viewport, Vollseite und Wart

Web search over Google's organic results (SERP API). Returns ranked organic results with title, URL, domain, snippet a

Groups the access records you pass into clients and sorts each in two stages: person or machine, then, for a machine,

Runs three detectors over one series and reports what each saw: a robust z score on median and median absolute deviati

Loest die vollstaendige Weiterleitungskette auf und belegt jeden Sprung mit Statuscode, Zielhost, Protokoll-, Registri

Ordnet eine Warenbeschreibung der sechsstelligen Harmonisierten Nomenklatur der Weltzollorganisation zu, 6.940 Positio

Wertet robots.txt fuer 23 benannte KI-Agenten aus, mit korrekter Gruppenauswahl und der Regel, dass die laengste passe

Fetch and Read - Turn any web page into clean markdown an agent can actually read.

Weather for any coordinate. Current (default): temperature (C), relative humidity (%), wind speed, weather code — real

Estimate gas for one Base mainnet transaction context at a resolved block, add a bounded caller-selected buffer, and p

Daily high/low, precipitation, and conditions for the next N days at any lat/lon (Open-Meteo).

Live perpetual-futures funding rates from Hyperliquid: per-coin funding rate, mark price, and open interest. Query: co

Bundled execution of the Text analysis workflow - Full text analysis - word/sentence stats, keyword extraction, and to