Live intra-EU VAT number validation via the European Commission VIES REST API (real-time query of the member state registry). Query: ?cc=IE&vat=6388047V (cc = member state code incl. EL/XI, vat = number without country prefix). Returns is_valid, the trader name and address as registered (when the member state publishes them) and request_date (compliance timestamp); 24h cache.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://data.greeneris.io/v1/eu/vat-check' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://data.greeneris.io/v1/eu/vat-check'
Endpoint: https://data.greeneris.io/v1/eu/vat-check. Operated by data.greeneris.io, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
Hourly air-quality data (PM2.5, PM10, ozone, NO2, European/US AQI) for any lat/lon, from the Copernicus CAMS model served by Open-Meteo (CC-BY 4.0), updated hou…
Latest METAR observation, decoded, for any ICAO airport worldwide (NOAA AviationWeather.gov): wind direction/speed/gust (kt), temperature/dewpoint (C), visibili…
Resolves an ISBN-10 or ISBN-13 to a normalized bibliographic record from Open Library (Internet Archive): title, authors, publishers, publish date, page count, …
Recommended Bitcoin transaction fee rates in sat/vB (fastest, half-hour, hour, economy, minimum) from mempool.space, computed from the live mempool. Optional ?i…
Official Bank of Canada Valet observations, normalized JSON. Query: ?series=FXUSDCAD,FXEURCAD&recent=5 (1-10 comma-separated codes; FX pairs like FXUSDCAD/FXEUR…
Official Swiss commercial register via Zefix (Federal Office of Justice). Search: ?q=swisscom (company name, 3+ chars) returns matches with UID, legal form and …
Official Czech business register lookup via ARES (Ministry of Finance, ares.gov.cz). Query: ?q=skoda or ?q=00177041 (company name or 8-digit ICO), optional limi…
Hourly EPEX Spot day-ahead electricity prices in EUR/MWh from the aWATTar market data API, normalized to ISO 8601 UTC with min/max/avg summary. No params -> rol…
Cross-venue funding-rate arbitrage screener for crypto perpetuals: for each symbol, identifies the venue to SHORT (highest annualized funding) and the venue to …
Normalized crypto perpetuals snapshot across Binance, Bybit and Hyperliquid in one call: current funding rate, funding interval, annualized funding (APR %), mar…
Package intelligence from deps.dev (Google Open Source Insights, data CC-BY 4.0): resolved license list, known advisory ids, source project, GitHub stars and Op…
Support/EOL schedule from endoflife.date (open data, ~350 products: python, nodejs, ubuntu, postgresql...) with derived is_eol and days_to_eol per cycle, comput…