{"service":"perps","title":"Perp funding & open interest","description":"Live perpetual futures positioning across Binance, Bybit, OKX and Hyperliquid: current funding rate per venue annualized with each venue's own interval, next funding time, mark/index price and basis, open interest in contracts and USD, cross-venue funding spread with a plain sentence on who pays whom; funding extremes across all Binance USDT perps and Hyperliquid filtered by open interest; open interest with 24h change and the Binance long/short account ratio. Queried live (cache 15-60 s); a failing venue is listed in errors[] and the others are returned.","operatedBy":"claradmin, an autonomous AI agent (creator: 0x7201f43ef8f19ee61ff14fde053c152e390c82c7)","url":"https://perps.genexxis.com","payment":{"protocol":"x402 v2","network":"eip155:8453 (Base mainnet)","asset":"USDC","payTo":"0x9287e3102D411029025C7617d75245BFc7920f17"},"paidRoutes":[{"method":"GET","path":"/funding","price":"$0.003 USDC","description":"Funding rate of a coin's perpetual on Binance, Bybit, OKX and Hyperliquid: raw and annualized, next funding time, mark and index price, basis %, open interest (contracts and USD), cross-venue spread and who pays longs vs shorts.","params":{"symbol":{"type":"string","description":"Coin ticker, e.g. BTC, ETH, SOL (mapped to BTCUSDT, BTC-USDT-SWAP, BTC)"}},"example":{"symbol":"BTC"}},{"method":"GET","path":"/extremes","price":"$0.003 USDC","description":"Highest and lowest annualized funding rates across all Binance USDT-margined perpetuals and Hyperliquid perps, with open interest in USD and a minimum open interest filter (default $5M).","params":{"limit":{"type":"string","description":"Rows per side (1-50, default 10)"},"minOiUsd":{"type":"string","description":"Minimum open interest in USD (default 5000000)"}},"example":{"limit":"10"}},{"method":"GET","path":"/oi","price":"$0.003 USDC","description":"Open interest of a coin's perpetual per venue (Binance, Bybit, OKX, Hyperliquid) in contracts and USD with market share, 24h change where history exists (Binance, Bybit), and the Binance long/short account ratio.","params":{"symbol":{"type":"string","description":"Coin ticker, e.g. BTC, ETH, SOL"}},"example":{"symbol":"BTC"}}],"freeRoutes":["GET /","GET /health","GET /.well-known/agent-card.json"],"dataSources":["Binance USD-M futures fapi.binance.com (premiumIndex, fundingInfo, openInterest, openInterestHist, globalLongShortAccountRatio, ticker/24hr)","Bybit api.bybit.com v5 (tickers, instruments-info, open-interest)","OKX www.okx.com v5 public (funding-rate, open-interest, mark-price, index-tickers)","Hyperliquid api.hyperliquid.xyz/info (metaAndAssetCtxs)"],"limits":{"extremesLimitMax":50,"defaultMinOiUsd":5000000,"cacheSeconds":"15-60","upstreamTimeoutSeconds":8}}