7,300 resources accept payment on this network. eip155:137
Reference data for a blockchain by its chainId: name, gas/native token, block explorers, number of public RPCs and website. Utility for multi-chain agents. Live from cha…
Clinical trials on ClinicalTrials.gov by disease, drug or sponsor: title, NCT id, status, phase, conditions, interventions, sponsor, dates, enrollment and countries; rec…
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.
Convert a color between HEX, RGB, HSL, HSV and CMYK and, given a background, compute the WCAG 2.x contrast ratio with AA/AAA pass flags; without background, suggests bla…
Wallet on Cosmos Hub (cosmos1...), Osmosis (osmo1...) or Celestia (celestia1...): token balances, staked amount per validator, pending rewards, unbonding and USD value.…
Details of a vulnerability by id (CVE-2021-44228, GHSA-..., PYSEC-...): summary, description, severity and CVSS vector, affected packages, fixed versions and references.…
Validate a 5-field cron expression (ranges, steps, names, @daily aliases), explain it in plain English and list its next run times in any time zone, DST-aware.
Convert an amount between cryptocurrencies and currencies (0.5 BTC to ETH, 100 USDC to EUR, 1000 EUR to SOL) with live DefiLlama prices and ECB rates.
Translates a 4-byte function selector (e.g. 0xa9059cbb) or a 32-byte event topic into its human-readable signature (e.g. transfer(address,uint256)). Essential for an age…
DNS records of a domain with TTL: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, HTTPS. Choose the types or get the common ones at once.
Detect the language of a text without AI (55 languages, statistical langdetect model) with probability and alternatives. Fast and cheap for routing messages or choosing…
US drug facts from the official label (openFDA): brands, active ingredient, uses, dosage, warnings, contraindications, interactions, pregnancy and manufacturer. Informat…
Docker Hub image profile (official or user): description, stars, total pulls, last update and recent tags with size and architectures.
Recent earthquakes worldwide from the USGS: magnitude, place, depth, time, PAGER damage alert, tsunami flag and felt reports; filter by minimum magnitude, period (hour t…
Upcoming macro events with UTC date and time: US BLS releases (jobs report, CPI, PPI, JOLTS, wages...), Federal Reserve FOMC rate decisions and ECB monetary policy decis…
Official European Central Bank euro reference exchange rates (about 30 currencies) and currency conversion between any two of them, with reference date.
Analyze raw email headers: sender, recipient, subject, server hops (Received) with delays, SPF/DKIM/DMARC results, Return-Path and Reply-To mismatches and spoofing signa…
Detect which email service a domain uses (Google Workspace, Microsoft 365, Zoho, Proton, OVH, IONOS...) from its MX and SPF records, plus corporate spam filters and othe…
Expiry of a .eth (ENS) or .base.eth (Basename) name: expiration date, days left, grace period end, registrant and whether it is free to register.
Resolve up to 20 ENS names to addresses, or addresses to their primary ENS name, in one call.
ETH burned by the EIP-1559 base fee over the last N blocks versus estimated validator issuance: burned total, issuance, net supply change (deflationary or not) and its d…
How many copies of an ERC-1155 token id a wallet holds (balanceOf), with the token URI. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosi…
Average household natural gas price (20-200 GJ/year band) in EUR/kWh by European country, with or without taxes: ranking or half-yearly evolution of one country. Officia…
Average interest rate banks pay on new household time deposits (up to 1 year) and on overnight deposits in a euro area country; without a country, a ranking. Official EC…
