ENS namehash and labelhash for any name, with ENSIP-15 normalisation and per-label hashes: the registry node used to read ENS records. Computed locally.

Encode a contract call: give a function signature and a JSON array of arguments, get calldata and the 4-byte selector. Computed locally, no node needed.

EIP-712 typed data hashing: signing digest, domain separator and struct hash from JSON, with an optional signature check against an address.

EVM block lookup for 16 chains by number, hash or tag: header, gas used, base fee, miner, size, transaction count and the transaction hashes.

NFT metadata by token id on 16 EVM chains: token URI from the contract, then name, image, description and traits resolved from IPFS, Arweave or inline data.

NFT holdings check on 16 EVM chains: how many tokens a wallet holds in each of up to 10 ERC-721 collections, with collection names and symbols.

Current gas price on 16 EVM chains: gwei, base fee, next base fee, slow, standard and fast priority tips from recent blocks, and the cost of a transfer.

L1 data fee estimate for Optimism, Base, Blast and Unichain from the GasPriceOracle, the part of an L2 transaction cost that gas estimates leave out.

Gas price forecast for 16 EVM chains: next-block base fee, 3- and 6-block projection, 10-block trend, a suggested max fee and send-now-or-wait advice.

ERC-165 interface detection for 16 EVM chains: ERC-721, ERC-1155, metadata, royalties and update events, with a kind label and ERC-20 hint.

Contract event logs on 16 EVM chains from recent blocks, newest first: Transfer, Approval and Swap events labelled and filterable by topic and block range.

Gas fee history for 16 EVM chains over up to 100 recent blocks: base fee, block fullness and priority tip at chosen percentiles for each block.

Lido staking stats from the contracts: total pooled ETH, shares, ETH per share, the wstETH exchange rate and wstETH's share of stETH supply.

Ethereum staking deposits: total ETH and number of deposits sent to the Beacon deposit contract, plus Lido stETH supply for scale.

Bytecode selector scan for 16 EVM chains: known functions found and capability flags such as mint, pause, blacklist, permit, fees and trading switch.

Transaction receipt on 16 EVM chains: success or revert, gas used, fee paid, contract created and decoded event logs such as Transfer and Approval.

Contract ownership check for 16 EVM chains: owner, whether it is a wallet or contract, renounced, pending owner and whether the contract is paused.

Pending block on 16 EVM chains: transactions not yet mined, pending gas used and base fee, compared with the latest block and flagged when stale.

Transaction status on 16 EVM chains: pending in the mempool or confirmed, execution result, fee against the base fee, nonce gap and confirmations.

USDC, USDT and DAI balances for a wallet across every supported EVM chain in one call, totalled at face value and split by symbol and chain.