| basedue Base token due diligence and liquidity depth: ERC-20 metadata, Uniswap V2/V3 + Aerodrome pools with reserves/depth and LP-burn share, cross-venue reference price and spread, and position exit cost. Free /sample returns a real recorded response. | - | $0.01 | - | listed | call recipe → |
| bizcal-api Business-day and public-holiday API for US federal and GB bank holidays. | - | $0.01 | - | listed | call recipe → |
| domain-intel Trust check for any domain in one call: DNS records, email auth (SPF/DMARC/DKIM), WHOIS registrar and age, plus live HTTP status and TLS certificate issuer/expiry and HSTS. Free /preflight sample and landing page. | - | $0.01 | - | listed | call recipe → |
| funding-rates Perpetual-futures funding rates and annualized carry for BTC, ETH, SOL and more, from exchange public market-data APIs, in one call. Free /preflight sample. | - | $0.01 | - | listed | call recipe → |
| fundinglens Perpetual funding rates across 7 venues (Binance, Bybit, OKX, Bitget, Hyperliquid, dYdX, Deribit), normalized to 8h and annualized. Free /sample. | - | $0.01 | - | listed | call recipe → |
| txpreflight Base agent toolbox. /preflight simulates a tx (revert reason, gas, EIP-1559 fees in ETH and USD) before you sign. /verify reads a receipt and proves a USDC transfer settled: confirmations, amount, sender, recipient. | - | $0.01 | - | listed | call recipe → |
| walletprofile Base wallet activity profile + heuristic risk score + exact-address OFAC SDN sanctions screen (US Treasury list, public data). /profile and /sanctions. Free /sample. | - | $0.01 | - | listed | call recipe → |
| web-extract Extract clean readable text or markdown from any public web page: title, language, word/paragraph counts and the full article body. Free /preview sample first. | - | $0.01 | - | listed | call recipe → |
| x402-preflight Check any x402 endpoint before you pay it: /check reads its 402 challenge and validates scheme, network, asset, payTo, price and latency. /uptime returns accumulated reliability history; every checked URL is auto-monitored so history compounds. Free board at /monitored. | - | $0.01 | - | listed | call recipe → |
| x402check Pre-flight check any x402 seller URL: fetches the 402 challenge, decodes the payment requirements (scheme, network, asset, price, payTo), flags missing discovery metadata and returns a clear verdict. | - | $0.01 | - | listed | call recipe → |
| x402index x402 market intelligence. Free full-text search over ~60k live listings and a free tag map of where x402 buyers actually pay. Paid $0.01: vet one listing or get the full per-tag demand report. | - | $0.01 | - | listed | call recipe → |