7,300 resources accept payment on this network. eip155:137
Bedtimes that end a 90-minute sleep cycle at a given wake time, or wake times for a given bedtime, with total sleep hours and time to fall asleep.
Investment return after fees, tax and inflation: real after-tax rate, future value in nominal and todays dollars, and purchasing power lost on cash.
Is this token a scam? Send any token address on Base, Ethereum, BNB, Arbitrum, Polygon, Optimism or Solana for a verdict, 0-100 score, honeypot and rug check.
US drug overdose deaths by state - latest 12-month CDC provisional counts for fentanyl, opioids, heroin, cocaine and meth, with year-on-year change
US county health statistics from CDC PLACES - diabetes, obesity, depression, smoking, insurance and 30+ more measures, or rank a state's counties
Leading causes of death for any US state or the nation - deaths, share of all deaths and age-adjusted rates for heart disease, cancer, stroke and more
US life expectancy at birth by year since 1900, by sex and race - years, death rate per 100,000, peak year and change over any period (CDC)
Validate a crypto address offline: format and checksum for EVM EIP-55, Bitcoin, Litecoin, Tron, XRP, Solana, TON, Sui, Cosmos and Cardano, with network detection.
Convert crypto units exactly: wei, gwei, ether, lamports, SOL, satoshis, BTC and any token decimals, using integer math with no floating-point rounding errors.
Parse and validate a phone number for 240 regions: validity, E.164 form, country, calling code, line type (mobile, fixed, VoIP) and national and international formats.
Get the verified ABI of an EVM smart contract from Sourcify across 20 chains: functions, events, selectors, proxy implementation ABI and owner-style privileged functions.
Gas conditions for 7 EVM chains: base fee, trend, congestion, priority tips, suggested max fee and USD cost of a transfer, approval, swap and mint.
Decode EVM calldata into plain English: ERC-20, NFT, Uniswap, Aave and permit calls, with risk flags for unlimited approvals, setApprovalForAll and proxy upgrades.
Restate an amount in another year money for about 200 countries using World Bank CPI since 1960: adjusted value, multiplier, and cumulative and annual inflation.
Inspect a URL: follow its redirect chain hop by hop with SSRF guards, and flag punycode, IP hosts, brand lookalikes, shorteners, http downgrades and phishing patterns.
EVM transaction lookup for 16 chains: status, fee, confirmations, decoded action, ERC-20 and NFT transfers, and L1 data fee on L2s, read straight from chain RPC.
EVM block lookup by number, hash or latest on 16 chains: time, gas use, base fee, miner, transaction count and the transaction hashes in the block.
EVM address balance on 16 chains: native coin, main stablecoins or chosen ERC-20s, nonce, and whether it is a plain account, a contract or an EIP-7702 delegate.
EVM token info on 16 chains: ERC-20 or NFT standard, name, symbol, decimals, total supply, proxy implementation and owner, detected from chain RPC.
EVM event logs for a contract on 16 chains, bounded to a safe block window, with Transfer, Approval, Swap and ownership events decoded to named arguments.
EVM account nonce on 16 chains: latest versus pending, transactions in flight, next nonce to use, and how to replace a stuck transaction.
Call any EVM view function from its signature on 16 chains and get the decoded result, such as balanceOf(address) returns (uint256), with revert detection.
EVM contract bytecode facts on 16 chains: code hash and size, proxy type and implementation, admin, and the list of function selectors in the dispatcher.
Validate a Ethereum address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_sen…
