the402 x402 endpoint directory

Per-symbol HOLD-STATE read — is the published trend state behind a name intact? GET /api/board/hold?sym=NVDA (up to 10

Render any live web page to a portable PDF, returned as base64. JavaScript runs first, so single-page apps and dynamic

Pixel-accurate PNG screenshot of any live web page, rendered in a real browser at a chosen viewport width, viewport-on

Browse every prediction market Quotient tracks across Polymarket International, Polymarket US, Kalshi, and Limitless,

Read recent large ERC-20 transfers directly from Base, Ethereum, or Arbitrum by scanning Transfer logs over the most r

Add-on, the official ruler: the band and threshold ladder published by the source agency, its classification, and dist

LION Research Bundle — one-call enrichment + tx context

Multi-source on-chain + market intelligence (dex, risk, yields, wallet, holders, rpc)

Add-on, historical placement: seasonal percentile for the current point, frequency, the percentile table, and the meth

Add-on, statistical strata: share of the last 5 years spent in each official band for this day-of-year, the percentile

Add-on, calibrated units: normalized_index and pct_to_action so readings compare across stations. When the line has no

Latest value of any World Bank indicator for a country (GDP, inflation, population...). Source: World Bank API. JSON.

Official FDA label data for a drug by brand or generic name: indications, warnings, dosage. Source: openFDA. JSON.

Search US FDA enforcement recalls for drugs, food, or devices by free-text query. Source: openFDA. JSON.

Add-on, precipitation for one location: daily rainfall plus 30-day accumulated wet-dry drought context from ERA5. Desc

Add-on, air quality for one location: US AQI category and PM2.5 reading from EPA and CAMS official feeds. Descriptive

One id in, its official lifecycle state out - no need to know which line tracks it first. Covers 19 lifecycle lines (s

Japanese forward geocoding from an address to coordinates. Keywords: Japan geocoder, address to coordinates, building-

Fetch one public page and return main-content Markdown plus title, canonical URL, headings, links, content hash, final

Fetches recent stock market news on equities, earnings, IPOs, the Fed, and macro from GDELT with a GNews fallback when

x402-gateway tool: mermaid — Render a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP co

Resolve public DNS records (A, AAAA, MX, TXT, CNAME, NS, SOA) for a domain. Use when you need live DNS data and must n

List recent JPYC Transfer events on one supported chain from roughly the last hour of blocks, optionally filtered by a

x402-gateway tool: verify_worldid — Verify a World ID 4.0 proof via the Worldcoin Developer Portal API. Generates an R

x402-gateway tool: verify_batch — Batch verify up to 10 Semaphore proofs in a single request. Returns per-proof result

Give it a longitude and latitude and it answers with the IANA timezone identifier (America/New_York), the UTC offset i

Give it a latitude, a longitude and a radius in metres and it answers with every charted underwater rock, obstruction

Give it a latitude and longitude and it answers with the ground elevation there in metres above NAVD88, read from the

Validate GeoJSON against RFC 7946 and get back a structured list of problems, not a bare boolean. Checks structure, co

Stunden mit negativen Strompreisen in den nächsten 24 Stunden.

Energy-trading and flexible-load agents buy this endpoint to compare the next 24 hours of EPEX prices and volatility.

Flexible-load agents buy this endpoint to schedule a contiguous operating window at the lowest average electricity pri

Ereignisfeed für Dunkelflaute, Sturm, negative Preise und Rekorde.

Japanese address validation and quality decision. Keywords: Japanese address validation, address conflict, address qua

Japanese address parser and component extraction. Keywords: Japanese address parser, address components, chome, block,

Japanese address normalization / 日本住所正規化: accept an address with or without a postal code, parse prefecture/city/compo

Japanese company verification / 日本企業・法人番号照合: resolve a company name, 13-digit corporate number (法人番号), or address agai

Trace HTTPS redirects for a hostname. Use when you need live hop facts and must not guess. HEAD of https://{domain}/ o

Deterministic basic GEO audit for a public HTTP(S) URL.

Read allowlisted HTTPS response headers for a hostname (HSTS, CSP, server, CORS). Use when you need live origin header

Look up domain registration facts via RDAP (registrar, status, dates, nameservers, DNSSEC). Use when you need live reg

Prueft die bekannten Konventionspfade einer Domain auf OpenAPI, MCP, x402, GraphQL, Feeds, llms.txt, security.txt und

Vergleicht ICON, ECMWF, GFS, MeteoFrance, UKMO und JMA für einen Punkt. Liefert je Stunde Median, Spannweite, Modell-E

Search a bounded snapshot of the UK Companies House register -- company name, number, status, category, registered add

Structured answer data for agents, paid per request with x402 v2

GitHub repo discoverability & SEO audit: scores a repo's README, description, topics, homepage and metadata and return

Wallet-addressed positions across Polymarket, Polymarket perps, Limitless, and Hyperliquid, each prediction-market pos

Inspect the leaf TLS certificate for a public hostname (validity, issuer, SANs, fingerprint, expiry). Use when you nee

Search a governed snapshot of implemented, validated Polymathica PDE and scientific-computing solvers. Returns validat

Returns a graph view (nodes/edges) over the same locally harvested metadata-only index of public scientific assets as