The US macro backdrop in one call: the federal funds rate, CPI and PCE inflation, the labor market (unemployment, payrolls, wages), real GDP, and the Treasury yield curve. No ticker needed. Replaces six macro calls (fed-funds + inflation + pce + labor-market + gdp + treasury-yields) at a lower combined price. Spans FRED, BLS, Treasury; sections degrade independently. From x402stock

Correct likely spelling errors in an SEO query

Look up a transaction by hash on base, ethereum, arbitrum, optimism, polygon, bsc: status (success/reverted/pending), block and timestamp, from/to, value, gas used, fee in native coin and USD, method selector, created contract, and decoded ERC-20 transfers with token symbols and amounts. Transaction and receipt in one call.

Check an ERC-20 token approval on base, ethereum, arbitrum, optimism, polygon, bsc: how much a spender (router, Permit2, contract) may move from an owner's wallet, whether the approval is unlimited, and whether it covers the owner's full balance.

Perpetual futures funding rates (hourly and annualized APR), open interest in USD, mark vs oracle price, premium, 24h volume and price change for every Hyperliquid perp. Filter by coin or rank by open interest, volume, or highest/lowest funding to spot crowded trades.

Find DEX liquidity pools for a token contract address or search term (symbol/name) across Ethereum, Base, Solana, Arbitrum, BSC and more: price, USD liquidity, 24h volume and buy/sell counts, 1h/24h price change, FDV and market cap, sorted by liquidity.

Historical OHLCV candlestick data (open, high, low, close, volume) for any Coinbase spot pair such as BTC-USD or ETH-USD, at 1m, 5m, 15m, 1h, 6h or 1d intervals, up to 300 candles, oldest first.

Parses ANSI X12 and UN/EDIFACT EDI documents into structured JSON, CSV, cXML, or a rendered Typst PDF invoice. $0.01 per document in any output format; payloads ≥10MB are metered up to $0.05 — see the 402 challenge’s `accepts[].maxAmountRequired` for the exact amount.

24-hour ticker stats for a Coinbase spot pair: last price, open, high, low, % change, base and USD volume, 30-day volume, and current bid/ask.

Stored detail for a single incident (entityId like 'status:GitHub:abc123').

Solana wallet balance lookup: SOL plus every SPL and Token-2022 token held (mint, symbol, amount), with live USD prices and total portfolio value.

Find the best DeFi yields across 500+ protocols and all major chains: filter by token (USDC, ETH...), chain, protocol, stablecoin-only and minimum TVL; returns APY (base + reward), 30-day mean APY, 7-day change, TVL, impermanent-loss risk and outlook. Sort by APY or TVL.

Wallet balance lookup for any address on base, ethereum, arbitrum, optimism, polygon, bsc: native coin plus ERC-20 token balances (USDC, USDT, WETH, DAI, cbBTC or any tokens you pass) with live USD prices and total portfolio value, in one call.

Live order book for a Coinbase spot pair: best bid/ask, mid price, spread in bps, USD liquidity within 1% of mid on each side, and the top bid/ask levels (up to 50). Useful for slippage and execution checks.

Live gas prices across base, ethereum, arbitrum, optimism, polygon, bsc, sorted cheapest first: base fee and gas price in gwei, plus the USD cost of a native transfer and of an ERC-20 transfer on each chain, so an agent can pick where to transact.

DeFi total value locked (TVL): look up one protocol (e.g. aave-v3, uniswap-v3) for TVL, per-chain breakdown and 1d/7d change, or rank the top protocols overall, on a chain (Base, Ethereum, Solana...) or in a category (Lending, Dexs, Liquid Staking...).

ERC-20 token lookup by contract address on base, ethereum, arbitrum, optimism, polygon, bsc: name, symbol, decimals, total supply, live USD price, fully diluted value, and whether the token is an upgradeable proxy (EIP-1967/EIP-1167, with implementation address).

Classify any address on base, ethereum, arbitrum, optimism, polygon, bsc: wallet (EOA, incl. EIP-7702 delegation) or contract, bytecode size, upgradeable proxy and implementation (EIP-1967, beacon, EIP-1167 clones), token standard (ERC-20/721/1155), Safe multisig threshold and owners, and Ownable owner.

Resolve an ENS .eth name to its address (plus avatar, url and twitter records), or an address to its verified primary ENS name. Reads Ethereum mainnet via the ENS Universal Resolver.

Live USD prices and 24h % change for up to 25 crypto tokens per call: by ticker (BTC, ETH, SOL, USDC...), CoinGecko id, or chain:address for any token on Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Solana and more.