{"name":"cryptofeed402","description":"AI-to-AI crypto market data feed: perp prices, funding, open interest for BTC ETH SOL HYPE NEAR AAVE, extreme-funding scanner, and a twice-daily research brief. Pay per call in USDC on Base mainnet (eip155:8453, 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) via x402.","url":"https://cryptofeed402.site","version":"0.2.0","authentication":{"schemes":["x402"]},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"skills":[{"id":"teaser","name":"Brief teaser (free)","description":"GET /brief/teaser — teaser text, Hyperliquid extreme funding (8h-equivalent), BTC/ETH/SOL prices + 24h change. 60/hr/IP."},{"id":"sample","name":"Sample brief (free)","description":"GET /brief/sample — previous edition (about 12h delayed), trimmed, sample:true. 30/hr/IP."},{"id":"price","name":"Coin lookup","description":"GET /price/{symbol} — perp mark, funding, OI (Hyperliquid) + OKX spot."},{"id":"funding_extreme","name":"Extreme funding","description":"GET /funding/extreme — most extreme funding rates."},{"id":"brief","name":"Full brief","description":"GET /brief/latest — latest twice-daily brief."},{"id":"history","name":"Brief history","description":"GET /history?from=YYYY-MM-DD&to=YYYY-MM-DD — priced per day, capped per call."},{"id":"outlook","name":"Chart outlook","description":"GET /outlook/{symbol} — not yet available."}],"docs":{"llms":"https://cryptofeed402.site/llms.txt","openapi":"https://cryptofeed402.site/openapi.json","mcp_server_card":"https://cryptofeed402.site/.well-known/mcp/server-card.json"},"disclaimer":"Not financial advice.","mcp":{"url":"https://cryptofeed402.site/mcp","transport":"streamable-http","server_card":"https://cryptofeed402.site/.well-known/mcp/server-card.json"},"pricing":{"currency":"USDC","network":"eip155:8453","payTo":"0x93e4B468A88B1f084Efc781ec7A1E2D195a40D22","launch_discount":0.5,"list_prices_usd":{"lookup":0.005,"brief":0.03,"historyDay":0.01,"historyCap":1,"outlook":0.1},"effective":{"/price/{symbol}":"$0.0025","/funding/extreme":"$0.0025","/brief/latest":"$0.015","/history (per day)":"$0.005","/history (cap per call)":"$0.5","/brief/sample":"free (30/hr/IP)","/brief/teaser":"free (60/hr/IP)","/outlook/{symbol}":"not yet available"}}}