1,406 resources accept payment on this network. eip155:5042
Spanish business-day calculator: count business days between dates or add N business days, using Spain's national public holidays.
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…
Spanish tax ID validation (DNI/NIF, NIE and company CIF) with check-digit verification. Computed locally; the ID is not stored.
BIC/SWIFT code validation and parsing: bank, country, location and branch codes, test-code flag.
Official European Central Bank euro reference exchange rates (about 30 currencies) and currency conversion between any two of them, with reference date.
IBAN validation (ISO 13616 mod-97 and per-country length, SEPA membership; for Spain also the national CCC check digits and bank name). Computed locally, IBAN is not sto…
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…
Randomness for agents: flip coins, roll dice, draw numbers in a range, pick from a list or shuffle it. Cryptographically secure by default; with verifiable=true it is de…
DeFi liquidations read on-chain from Aave v3 on Base, Ethereum, Arbitrum, Optimism and Polygon: total USD liquidated, event count, breakdown by network, collateral and d…
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…
OHLCV bars of BTC, ETH, SOL or the CME micro futures NQ, ES, YM (15s, 1m, 5m, 1h) from the Taifoon venue tape, past windows only (up to 1,000 bars a call), with a sha256…
Verify a block under the SuperRoot — chain 8453 block 51741679
Bazaar SEO for x402 sellers: where your endpoint ranks in Coinbase Bazaar search and what to fix. Where does your x402 endpoint come up when an agent searches Coinbase's…
Arc token check: can you sell it, and what can its owner do? Safety score plus owner powers in one call. Everything about an Arc token in one call: can you sell it (a re…
Crypto trading signals for BNB Chain majors (BNB, CAKE, BTCB, ETH): BUY 8% below the 24 h high if it still sells in simulation, target +8%; every result published. BNB C…
Is this x402 seller real? Pass ?seller= with a host (api.example.com) or a payTo address (0x...). From Coinbase's own Bazaar counts (re-read every 6 hours) we return its…
Which agents registered on Arc actually answer. Every endpoint every agent lists in its ERC-8004 registration file (web, A2A, MCP, x402, the file itself) is called once…
What it really costs to bring USDC into Arc over Circle CCTP, measured from arrivals rather than quoted. Every arrival we hold with its recipient, the amount credited, t…
Who launched what on Arc, and did any of it ever trade. Every creator in our index with more than one launchpad token, with each token, the fees its vault holds, and the…
Counterparty report for any Arc address: how often it is the FIRST buyer into a new pool and how fast it enters (a 2-second median is a machine, not a person), plus what…
The EURO rail on Arc, which nothing else reports. Circle EURC (0xbEf5f6d51CB62b58e6A8f77868681825C6fe21c1) is live on Arc and every other Arc data product, ours included…
Every token symbol on Arc that more than one contract is using, with how many contracts wear each name and the canonical address where we have verified one. EVERY COUNT…
