Market Data

Live Base mainnet gas price with the USDC cost of standard transfers, so an x402 buyer can budget principal + gas in the unit it pays with. eth_gasPrice + ETH/USD spot,…

Verified agent-income listings: open bounties and tasks from sanctioned venue APIs (Taskmarket, Superteam Earn, GitHub bounty labels), each with reward, agent-access pol…

Token price on Base by contract address: live USD price and pool liquidity from Uniswap v2/v3 and Aerodrome. Works for any token with a DEX pool, including newly launche…

Tamper-resistant price from Chainlink Data Feeds on Base (ETH/USD, BTC/USD, USDC/USD, or any Chainlink aggregator address), with update time and staleness in seconds.

World stock exchanges clock: status (open, closed, lunch break), local time, today's session and next open for NYSE, Toronto, London, Euronext, Xetra, Madrid, Zurich, To…

US stock market clock (NYSE/Nasdaq): open, closed, pre-market or after-hours now (or at a given time), holiday reason, early closes, next open/close and upcoming holiday…

Live gas price on Base or Ethereum (gwei, base fee, priority fee) plus estimated USD cost of an ETH transfer, an ERC-20 transfer and a DEX swap, including Base L1 data f…

Official European Central Bank euro reference exchange rates (about 30 currencies) and currency conversion between any two of them, with reference date.

Live gas price on Base or Ethereum (gwei, base fee, priority fee) plus estimated USD cost of an ETH transfer, an ERC-20 transfer and a DEX swap, including Base L1 data f…

Find the U.S. places most demographically similar to a target geography using multivariate Census statistics.

Estimate the size of a U.S. household market using Census data, e.g. renter households in a county or high-income families with children in a state. Returns the stronges…

Fetch one public static HTML page after robots and public-address checks, then return bounded readable text, title, final URL and source links. Standard x402: POST the U…

Live status and details of a transaction by hash: success/failed/pending, from/to, value (wei + ether), nonce, block number, gas used, effective gas price and any create…

Trading-card appraisal: raw and every grader×grade (PSA/BGS/CGC/SGC) in USD, EUR, USDC, EURC, GBP, JPY, ETH, SOL and BTC, each with its source, n and window; the set's l…

Current USD/KRW exchange rate (ECB reference via Frankfurter, fallback open.er-api.com).

One-call market snapshot: BTC/ETH/SOL spot prices with 24h change plus the Crypto Fear & Greed index. The cheapest way for an agent to establish market context.

Top DeFi yield opportunities per chain from DefiLlama — TVL-filtered, outlier-cleaned (unsustainable meme-pool APYs removed), sorted by APY. Fields: project, symbol, apy…

One-call market snapshot: BTC/ETH/SOL spot prices with 24h change plus the Crypto Fear & Greed index. The cheapest way for an agent to establish market context.

Vet an x402 seller before integrating: how many resources the domain lists, its 30-day call volume, its best-adopted endpoint, its price range (min/median/max USDC per c…

Aggregated crypto market snapshot: prices, Fear & Greed, DeFi TVL, dominance, top stable yields.

US 30-Year Treasury Bond yield (%), delayed, via Yahoo Finance

Solana (SOL-USD) spot price, delayed, via Yahoo Finance

S&P 500 spot index quote, delayed, via Yahoo Finance

Full-text search across every SEC EDGAR filing since 2001. Find filings mentioning a keyword or exact phrase via ?q=, narrow by ?forms=10-K,8-K, ?ticker=, and ?startdt=/…