Uniswap V3 swap quote for any token pair on Ethereum, Base, Arbitrum, Optimism or Polygon: best fee tier or WETH hop, output amount, price impact and gas.
USDC, USDT and DAI circulating supply split by chain with the Chainlink peg price, deviation percent and a pegged, watch or depegged status.
NFT token lookup on 16 EVM chains: ERC-721 or ERC-1155, current owner, token URI, inline metadata when on-chain, collection name and ERC-2981 royalty.
Ethereum validator lookup by index or public key: status, balance, slashing, activation and exit epochs, withdrawal credentials and beacon chain head.
Solana validator set ranked by stake: commission, delinquency, vote credits, stake concentration, median commission and Nakamoto coefficient.
Sui validator committee ranked by stake: voting power, commission, reference gas price vote, top-10 concentration and Nakamoto coefficient.
Tron Super Representatives and candidates ranked by votes: blocks produced and missed, productivity, vote share and Nakamoto coefficient.
Cosmos Hub bonded validators ranked by stake: commission and max commission, jailed status, stake share, Nakamoto coefficient, filter by moniker.
Validate a Hedera account id before sending: format, whether the account exists, deleted and receiver-signature-required flags, live HBAR balance and OFAC screening.
Validate a Kaspa address before sending: 40-bit BCH checksum, address type (Schnorr, ECDSA, script), wrong-network detection, live KAS balance and OFAC screening.
Validate a Filecoin address before sending: BLAKE2b checksum for f1, f2, f3 and f4, testnet detection, live actor and FIL balance, OFAC screening, send verdict.
Hedera account lookup: HBAR balance, token balances, staking, deleted and receiver-signature flags, EVM address and key type, from the mirror node.
Hedera transaction lookup: result, fee, net HBAR and token transfers, memo and consensus time, from a transaction id, read from the Hedera mirror node.
Hedera account history: recent transactions with type, result, net HBAR change, fee and consensus time, newest first with cursor pagination.
Hedera token facts: name, symbol, decimals, supply, treasury, paused state and which admin, supply, freeze and wipe keys exist, from the mirror node.
Kaspa address lookup: KAS balance in sompi and coins, transaction count, address type and whether the address has ever been used, from a Kaspa indexer.
Kaspa transaction lookup: accepted status, inputs and outputs with addresses, fee, mass and block time, read from the Kaspa REST indexer.
Kaspa network status: block count, DAA score, difficulty, DAG tips, circulating supply and percent mined, plus fee rate estimates by priority.
Filecoin address lookup: FIL balance, actor type (account, miner, multisig), nonce, ID address and Ethereum-style f410 address, from a Lotus node.
Filecoin message lookup: execution exit code, sender, recipient, value, method, gas limit and gas used, height and time, read from a Lotus node.
Filecoin chain head: height, time, block count, base fee, network version and total raw and quality-adjusted storage power in PiB.
EVM token approval audit on 16 chains: active and unlimited allowances to Permit2, Uniswap, 1inch, 0x, Seaport and Aave for the main tokens of a wallet.
Solana token delegate audit: SPL and Token-2022 accounts with an active delegate or close authority, delegated amounts and full-balance risk.
Latest block number for 16 EVM chains: chain tip height, block hash, block time and head age in seconds, read straight from chain RPC.
