{"service":"4yearcycle Data Catalog (x402)","description":"Paid data APIs for agents. Pay per call in USDC via x402.","endpoints":[{"method":"GET","path":"/web-search","summary":"General web search (Tavily) with ranked results and an optional short answer","price":"$0.01","example":"GET /web-search?q=who is Leo Messi&max=5&depth=basic"},{"method":"GET","path":"/btc","summary":"BTC fees, difficulty, mempool backlog and halving countdown in one call","price":"$0.01","example":"GET /btc"},{"method":"GET","path":"/defi-yields","summary":"Top DeFi pools by APY or TVL, filtered by chain, TVL floor and stablecoin flag","price":"$0.02","example":"GET /defi-yields?chain=Base&minTvlUsd=10000000&stablecoinOnly=false&top=20&sort=apy"},{"method":"GET","path":"/derivatives","summary":"Funding rates, open interest and long/short positioning for major perpetuals","price":"$0.01","example":"GET /derivatives?symbols=BTCUSDT,ETHUSDT,SOLUSDT"},{"method":"GET","path":"/eu-grants","summary":"Funded Horizon Europe research grants by topic, coordinator country and funding size","price":"$0.01","example":"GET /eu-grants?topic=carbon capture&country=DE&minFunding=1000000&max=20"},{"method":"GET","path":"/flights","summary":"Live aircraft positions near a point (adsb.lol open ADS-B network)","price":"$0.01","example":"GET /flights?lat=51.5&lon=-0.12&radius=100"},{"method":"GET","path":"/fx-rates","summary":"Daily ECB reference exchange rates, any base currency, optional symbol filter","price":"$0.005","example":"GET /fx-rates?base=USD&symbols=EUR,GBP,JPY,CHF"},{"method":"GET","path":"/gas-oracle","summary":"Current gas: base fee + priority tiers for Base/Ethereum, sat/vB tiers for Bitcoin","price":"$0.005","example":"GET /gas-oracle?chains=base,ethereum,bitcoin"},{"method":"GET","path":"/news-headlines","summary":"Global news headlines (GDELT) by query, source country and language","price":"$0.01","example":"GET /news-headlines?query=\"bitcoin regulation\"&country=germany&lang=english&hours=24&max=20"},{"method":"GET","path":"/tenders","summary":"EU public procurement tenders (TED) by CPV code, country and keyword","price":"$0.01","example":"GET /tenders?cpv=45262670,44316000&country=DEU&keywords=CNC,Stahlbau&days=14&max=100"},{"method":"GET","path":"/token-safety","summary":"Honeypot, tax and rug-risk screen for an ERC-20 on Ethereum, Base, BSC or Arbitrum","price":"$0.02","example":"GET /token-safety?address=0x6982508145454Ce325dDbE47a25d4ec3d2311933&chain=eth"},{"method":"GET","path":"/weather-de","summary":"German weather forecast/observations by coordinate or DWD station, hourly","price":"$0.01","example":"GET /weather-de?lat=52.52&lon=13.405&hours=48"}],"network":"base","docs":"https://apify.com/bitme/ted-tender-monitor"}