Contract or wallet check on 16 EVM chains: deployed bytecode size, account kind including EIP-7702 delegated accounts, optional runtime bytecode.

Reserve Bank of Australia cash rate target and money market rates - latest values for the target, overnight cash rate and bank bills plus monthly history

FDA drug shortage database by drug name and status - presentation, dosage form, availability, manufacturer, therapeutic category, NDC and last update

EVM chain id lookup for 16 chains: EIP-155 id in decimal and hex, native currency symbol, and whether the node matches the registry.

ERC-20 allowance on 16 EVM chains: how much a spender may move from an owner, scaled by decimals, with unlimited and zero flags.

ERC-1155 balance on 16 EVM chains: how many copies of a token id a wallet holds in a collection, read through balanceOf(address,id).

NFT count and token ids a wallet owns in one ERC-721 collection on 16 EVM chains, listed through the Enumerable extension where supported.

Current owner of an ERC-721 token id on 16 EVM chains, with collection name and symbol, and detection of unminted or burned tokens.

Total supply of an ERC-20 or ERC-721 contract on 16 EVM chains, raw and scaled by decimals, with symbol and name from totalSupply.

Convert crypto units exactly: wei, gwei, ether, lamports, SOL, satoshis, BTC and any token decimals, using integer math with no floating-point rounding errors.

Read one 32-byte contract storage slot on 16 EVM chains, returned as hex, integer and address form, for example proxy implementation slots.

Resolve ENS names to addresses and addresses to names with forward-verified reverse lookup, plus avatar, URL, Twitter and GitHub records, from the Ethereum registry.

EVM network snapshot for 16 chains: chain id, block height, gas price, base fee, priority fee, block fullness and client version from chain RPC.

Algorand transaction lookup: type, sender, receiver, amount, asset id, fee, confirmed round and time, with note text, read from an Algorand indexer.

Algorand account lookup: ALGO balance, minimum balance, spendable amount, rekey status, asset opt-ins, created assets and apps, from an Algorand node.

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.

Native coin plus up to 20 ERC-20 token balances for one wallet in a single batch on 16 EVM chains, at one block height.

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.

Decode EVM calldata into plain English: ERC-20, NFT, Uniswap, Aave and permit calls, with risk flags for unlimited approvals, setApprovalForAll and proxy upgrades.

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.