7,300 resources accept payment on this network. eip155:137
Convert coordinates between decimal degrees, degrees-minutes-seconds (40°25'00"N), UTM (zone, easting, northing) and geohash, in any direction, plus a map link.
Generate a JSON Schema (draft 2020-12) from an example JSON: types, properties, arrays, required fields and formats (date, date-time, email, uri). For API docs, tool def…
Generate a barcode as SVG (EAN-13, EAN-8, UPC-A, ISBN, ISSN, Code 128, Code 39, ITF, GS1-128...) for labels and products, computing the check digit when missing.
Gas price and latest block right now on BNB Chain, Avalanche, Gnosis, Linea, Scroll, Sonic and Unichain, with the cost of a simple transfer in native coin.
Estimate password strength with Dropbox's zxcvbn: score 0-4, estimated guesses and crack time for online and offline attacks, weak patterns found (dictionary, dates, seq…
Daily history of the crypto Fear & Greed Index (0 extreme fear, 100 extreme greed): average, max, min, days in each zone and trend, with the series. Alternative.me data.
Extract and normalize every number in a text: amounts with currency (€, $, USDC, BTC...), percentages, multipliers (k, million, bn) and plain figures, understanding both…
Extract from any text, without AI: emails, URLs, phone numbers, IBANs, EVM/Bitcoin/Solana addresses, transaction hashes, IPs, dates, amounts, hashtags, mentions and Span…
Full transaction by hash: from, to, value, gas limit and prices, nonce, type, calldata and block. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalan…
Live balance of a wallet: native coin plus up to 20 ERC-20 tokens you choose (USDC/USDT by default) in one call. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BN…
Balance of one ERC-20 token in a wallet with symbol and decimals. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosis, Linea, Scroll, Soni…
Estimate the gas a transaction will use (eth_estimateGas) and its cost at the current gas price, or the revert reason if it would fail. Nothing is sent. Works on Base, E…
Current block height (chain tip) with block time and age in seconds. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosis, Linea, Scroll, S…
Live status of widely used cloud services and APIs (GitHub, Cloudflare, OpenAI, Anthropic, Discord, Vercel, npm, Twilio, DigitalOcean, Coinbase, Atlassian, Netlify, Supa…
Text statistics without AI: characters, words, sentences, paragraphs, unique words, reading and speaking time, readability (Flesch / Flesch-Kincaid for English, Fernande…
Clinical trials on ClinicalTrials.gov by disease, drug or sponsor: title, NCT id, status, phase, conditions, interventions, sponsor, dates, enrollment and countries; rec…
Resolve up to 20 ENS names to addresses, or addresses to their primary ENS name, in one call.
Official profile of a US listed company from the SEC: name, CIK, industry (SIC), state of incorporation, fiscal year end, address, phone, tickers and exchanges, former n…
Daily CO2 emissions of electricity generation in Spain (tonnes) by technology (combined cycle, cogeneration, coal...) and emission factor (tCO2/MWh) over the last days.…
Average household electricity price (2,500-5,000 kWh/year band) in EUR/kWh by European country, with or without taxes: ranking or half-yearly evolution of one country. O…
Wholesale day-ahead electricity price in a European country or zone (DE, FR, ES, PT, IT, NL, BE, AT, PL, CH, Nordics...) for today or a given day: hourly EUR/MWh, averag…
Official US Treasury reporting rates of exchange (quarterly) for about 170 currencies against the US dollar, including many the ECB does not publish (Argentine peso, nai…
Great-circle distance between two airports by IATA or ICAO code in km, miles and nautical miles, bearing, approximate flight time and estimated economy-class CO2 per pas…
Compute a contract address in advance: CREATE (deployer + nonce) or CREATE2 (deployer + salt + init code hash). For deterministic deployments and verifying announced add…
