{"name":"Agent Data API — Web + Crypto + Infra","description":"Pay-per-call utilities for AI agents (no API key, no signup, settle USDC on Base via x402). WEB: GET /audit?url= → structured site signals; GET /extract?url= → clean readable extraction. CRYPTO (multi-source, one call, cleaned & normalized): GET /snapshot?ids= → per-coin price+market+funding+sentiment merged from CoinGecko/Binance/F&G; GET /spread?symbol= → cross-venue best bid/ask & arb spread across Binance/Coinbase/Kraken/OKX; GET /funding → all perp funding rates, annualized APR, sorted extremes; GET /defi → DeFi macro (total TVL, top chains, stablecoin supply & 24h delta); GET /pulse → composite market-regime read. INFRA (persistent state on the VPS — durable across the agent's calls): KV memory POST /kv/set & GET /kv/get?key= (per-payer namespace, optional TTL); WEBHOOK relay POST /hook/create → a public callback URL that captures incoming POSTs, drain with GET /hook/{id}/poll; CRON POST /cron/schedule {url,at|delaySeconds} → the VPS fires your callback at that time (survives reboot).","price":"$0.01","network":"base","endpoints":[{"method":"GET","path":"/audit","price":"$0.01","query":{"url":"https://store-to-audit.example"}},{"method":"GET","path":"/extract","price":"$0.01","query":{"url":"https://article-to-extract.example"}},{"method":"GET","path":"/snapshot","price":"$0.002","query":{"ids":"bitcoin,ethereum,solana"}},{"method":"GET","path":"/spread","price":"$0.002","query":{"symbol":"BTC"}},{"method":"GET","path":"/funding","price":"$0.002","query":{"limit":"10"}},{"method":"GET","path":"/defi","price":"$0.002","query":{}},{"method":"GET","path":"/pulse","price":"$0.002","query":{}},{"method":"POST","path":"/kv/set","price":"$0.001","query":{},"body":{"key":"session:42","value":"any JSON or string","ttlSeconds":86400}},{"method":"GET","path":"/kv/get","price":"$0.001","query":{"key":"session:42"}},{"method":"GET","path":"/kv/list","price":"$0.001","query":{"prefix":"session:"}},{"method":"POST","path":"/kv/del","price":"$0.001","query":{},"body":{"key":"session:42"}},{"method":"POST","path":"/hook/create","price":"$0.001","query":{},"body":{"label":"my-callback"}},{"method":"POST","path":"/cron/schedule","price":"$0.001","query":{},"body":{"url":"https://your-agent.example/callback","delaySeconds":3600}}],"payTo":"0xfacBE5a493A185537E313d3B7E71De7CD4511c3b","x402":true,"facilitator":"payai","base":"https://168.231.82.195.sslip.io","docs":"/.well-known/x402.json"}