the402 x402 endpoint directory

Compare the measured on-chain cost of a USDC transfer across Base, Polygon, Arbitrum, Ethereum, and XDC, using gas uni

Copy-trade v2 single-wallet profile and recent trades

Copy-trade v2 active monitored wallets with score and PnL

Legal announcements from the French BODACC official gazette for one company, by SIREN (Luhn-validated). Query: ?siren=

Package intelligence from deps.dev (Google Open Source Insights, data CC-BY 4.0): resolved license list, known advisor

Security audit of one exact dependency version, backed by OSV.dev (Google), which aggregates public advisories (GHSA,

Daily feed of French public tender notices from BOAMP (DILA official open-data portal, Licence Ouverte), newest first.

OECD Composite Leading Indicator (amplitude-adjusted, long-term trend = 100), the reference early signal of business-c

Open markets on Kalshi, the CFTC-regulated US event exchange, most-traded first: ticker, title, live yes bid/ask (USD,

Top open Polymarket prediction markets for a topic, ranked by 24h volume: event title, end date, and per-market outcom

Screen a name against the five official sanctions lists (EU, US OFAC SDN, UN, UK FCDO, French asset freezes) from a sn

Historical daily solar irradiance and weather series from NASA POWER for any lat/lon: ALLSKY_SFC_SW_DWN (kWh/m2/day),

Official UK Companies House data in one paid call. Search: ?q=tesco returns matching companies (number, status, type,

One nonprofit's full IRS 990 history by EIN (ProPublica): year-by-year revenue, expenses, officer compensation, assets

Search federal court dockets via RECAP (CourtListener v4) — the litigation profile of any company: every case naming i

EDGAR daily index: EVERY filing of EVERY form type for one day (plain-text form.idx). Pass `date` (YYYY-MM-DD, busines

One XBRL financial concept for a PUBLIC company, all fiscal periods (data.sec.gov companyconcept). Pass `cik` + `conce

Fetch one SEC filing document from EDGAR Archives by { cik, accession, filename } (from edgar/fulltext hit ids or edga

SEC EDGAR filing history for one company by CIK (data.sec.gov submissions). Returns entity metadata + every filing (fo

SEC EDGAR full-text search over all filings (2001+). Pass `q` (quote for exact phrase) + optional `forms` (comma-separ

Screen a company or entity name against multi-list sanctions (OFAC/EU/UN public designations index). PASS/BLOCK. Fail-

Looks up a person from an email, name, domain, or company and returns a normalized public-data record (alias of people

Compile Solidity contracts with the Remix compiler, supporting multiple files, custom versions, and optimization setti

Checks one or more website addresses to see if they are properly set up to show a brand logo next to emails in inboxes

Token safety & rug check — on-chain honeypot/tax/owner-privilege/holder-concentration risk verdict for any EVM token (

How high above sea level is this point? Ground elevation in metres for a place name or a coordinate pair

What are this country's headline economics? World Bank time series for GDP, GDP per capita, population, inflation, une

Which earthquakes have just happened? Recent USGS events worldwide or within a radius of a named place, with magnitude

Turn a place name into coordinates, country, admin region, timezone, elevation and population — the lookup every other

How breathable is the air in this place right now? Current PM2.5, PM10, ozone, NO2, SO2, CO and dust plus both the US

Which days are public holidays in this country? Full year of national and regional holidays with local names and a pas

Polymarket multi-asset panel snapshot

Send a picture, either as a public web address or as base64-encoded image data, and get back the plain text found insi

On-demand clean-text extraction for an allowed public URL.

Point of interest / business search (keyless, OSM)

Probe an x402 URL without paying it: validate the live HTTP 402 challenge, v2 payment schema, Base USDC amount, payTo/

Verify a Japanese qualified-invoice registration number (適格請求書発行事業者 インボイス登録番号 / T番号, T+13 digits) against Japan's Nati

Complete parcel intelligence: owner, situs, assessed value, classification, property tax and tax-sale (delinquency) st

Query onchain DEX token price & market data based on the provided token contract addresses on a network.

Resolve up to 20 numeric user ids to @usernames (map; null on per-id failure). Example: GET /api/tools/get_usernames?u

Resolve up to 20 @handles to numeric user ids (map; null on per-handle failure). Example: GET /api/tools/get_user_ids?

Which of BTC/ETH/SOL is relatively strongest right now, ranked by distance above/below each asset's own 200-day SMA --

Token balances for a wallet, with USD value where a price is available: full SPL token enumeration on Solana, or speci

Ethereum/Base only: is this address a contract, and if it looks like an ERC20 token, its name/symbol/decimals via eth_

Native balance for a wallet address, with one consistent response shape across Ethereum, Base, Bitcoin, and Solana --

Trending topics for a location (worldwide by default; filter with country or woeid). Example: GET /api/trends?country=

ERC-4626 withdraw calldata for a Morpho vault (assets to receiver, owner-signed). POST /v1/tx/earn/withdraw { vault, a

American Community Survey 5-year demographics for Scotts Bluff County and each of its ten places, plus a 16-year trend

Census LEHD Quarterly Workforce Indicators for Scotts Bluff County, every quarter from 2010: employment, beginning/end

Search every funding opportunity we hold in one call: open Grants.gov notices with live deadlines, standing federal as