{"name":"crypto-technicals-x402","version":"1.0.0","protocol":"x402 v2","network":"eip155:8453","asset":"USDC","payTo":"0xbE1C87B71ed7Ed7c9b0855674b59706D85Fd8aEd","facilitator":"https://facilitator.payai.network","source":"Binance spot klines (public), computed with the indicator/strategy code of a live trend-following bot","howToPay":"Any x402 client (e.g. npm @x402/fetch with an EVM wallet holding USDC on Base): request the endpoint, receive 402 with payment requirements, pay, retry. Prices are per call.","endpoints":{"GET /v1/regime/:symbol":{"price":"$0.002","desc":"Daily trend regime for a USDT pair: close vs SMA200/EMA100, prior 30-day high / 15-day low (Donchian), ATR14, 3xATR stop, breakout distance, and the deployed strategy's signal on the last closed day","example":"/v1/regime/BTCUSDT"},"GET /v1/levels/:symbol":{"price":"$0.003","desc":"Same as regime with custom parameters: entryLen, exitLen, trendLen, atrLen, slAtr (query string)","example":"/v1/levels/ETHUSDT?entryLen=20&exitLen=10&slAtr=2.5"},"GET /v1/scan":{"price":"$0.01","desc":"Regime + signal table for BTC, ETH, SOL, XRP, BNB (or ?symbols=A,B,C up to 25 USDT pairs)","example":"/v1/scan?symbols=BTCUSDT,ETHUSDT,SOLUSDT"},"GET /v1/funding/:symbol":{"price":"$0.002","desc":"Perp futures context: mark/index, funding rate (and annualized), next funding, open interest (and USD), long/short account ratio","example":"/v1/funding/BTCUSDT"},"GET /v1/volatility/:symbol":{"price":"$0.002","desc":"Realized vol 20/60d, ATR%, 30-day range position, 90-day max drawdown, distance from SMA200","example":"/v1/volatility/ETHUSDT"},"GET /v1/book/:symbol":{"price":"$0.002","desc":"Order-book snapshot: spread bps, bid/ask notional (top 50), imbalance","example":"/v1/book/SOLUSDT"},"GET /v1/brief/:symbol":{"price":"$0.005","desc":"One-paragraph technical brief for an LLM agent + the structured facts (regime, levels, volatility, futures)","example":"/v1/brief/BTCUSDT"},"GET /v1/correlation":{"price":"$0.01","desc":"Daily log-return correlation matrix, up to 15 pairs, 10-365 days","example":"/v1/correlation?symbols=BTCUSDT,ETHUSDT,SOLUSDT&days=90"},"POST /v1/backtest":{"price":"$0.03","desc":"Single-symbol backtest of a named strategy over up to 4 years of daily/4h/1h bars: {symbol, strategy, params?, years?}. Strategies: donchian_trend, donchian_daily, donchian_daily_exec1h, donchian_daily_exec4h, rsi2_daily, squeeze_breakout, ema_pullback_daily, ema_pullback, rsi2_meanrev, daily_momentum, regime_hold","example":{"symbol":"BTCUSDT","strategy":"donchian_daily","params":{"entryLen":30,"exitLen":15,"trendLen":100,"atrLen":14,"slAtr":3},"years":2}}},"free":["GET /","GET /health","GET /v1/strategies","GET /v1/preview (rounded BTC regime, 30/hour)","POST /v1/size {equity, riskPct, entry, stop, maxPct}","GET /openapi.json","GET /.well-known/x402"],"networks":[{"network":"eip155:8453","asset":"USDC","payTo":"0xbE1C87B71ed7Ed7c9b0855674b59706D85Fd8aEd"},{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset":"USDC","payTo":"CkranQqHoms4vVMBTzvYATnNxs6oSuL4UXUNRHtPse12"}],"notes":"Not investment advice. Data is exchange-reported OHLCV; all math is deterministic and open to inspection on request."}