{"uid":"cap_kEUmjdW8lISfo2FgplWUQ","slug":"crypto-ohlc-candles-with-technical-indicators-x402-b1a6f7f0","name":"Crypto OHLC Candles with Technical Indicators (x402)","description":"Pay-per-call crypto microdata for trading/onchain AI agents via x402 (USDC on Base): Base gas, token risk, balances, multi-venue prices, Hyperliquid book/funding, kimchi premium. No API keys.","url":"https://kr-x402-mvp.kgy5612.workers.dev/v1/ohlc?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"integer","maximum":500,"minimum":10,"description":"Number of candles (default 100)"},"symbol":{"type":"string","examples":["BTC","ETH","SOLUSDT"],"description":"Base asset or pair (default BTC); quote is USDT"},"interval":{"enum":["1m","5m","15m","1h","4h","1d"],"type":"string","description":"Candle size (default 1h)"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"n":100,"last":80436.6,"source":"binance","symbol":"BTCUSDT","candles":[{"c":80305.21,"h":80418.67,"l":79916,"o":80058.01,"t":"2026-10-29T13:00:00Z","v":792.98}],"interval":"1h","change_pct":1.8,"indicators":{"zone":{"low":79900.9,"high":80519.9,"in_zone":true},"atr14":412.7,"ema20":80210.4,"ema50":79880.1,"rsi14":58.3,"trend":"up","atr14_pct":0.51},"updated_at":"2026-10-29T14:20:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lflGk2BwhYx5Go_KUE12S","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns OHLC candlestick data with technical indicators (RSI, EMA, ATR, trend zone) for a crypto pair, paid per-call via x402 USDC micropayment on Base.","exampleAgentPrompt":"Pull the last 100 hourly OHLC candles for BTC with RSI, EMA, and trend zone — I want to see if it's in an uptrend before I open a position.","exampleUseCases":[{"title":"Pre-trade trend check for BTC","prompt":"Get the last 100 hourly candles for BTC with all the technical indicators — RSI, EMA20, EMA50, and the trend direction — so I can decide whether to go long."},{"title":"Volatility scan before options expiry","prompt":"Fetch 50 15-minute candles for ETH with ATR and RSI so I can gauge volatility heading into today's expiry."},{"title":"Automated bot signal on 4-hour chart","prompt":"Give me 200 4-hour candles for SOLUSDT including the trend zone and EMA indicators so my trading bot can generate a buy or sell signal."}],"resultDescription":"Returns a JSON object with: array of OHLC candles (open, high, low, close, volume, timestamp), last price, symbol, interval, number of candles, percent change, data source, and a computed indicators object containing RSI14, EMA20, EMA50, ATR14, ATR as percent, trend direction (up/down/sideways), and a support/resistance zone with high/low bounds and an in-zone boolean.","failureModes":["Invalid symbol returns error or empty candles","Interval not in enum causes 400 bad request","Limit outside 10-500 range rejected","x402 payment failure blocks response with 402 status","Binance upstream outage causes stale or missing data","Unsupported trading pair returns no candles"],"whenToPreferThis":"Choose this endpoint when an AI trading agent needs OHLC price history plus pre-computed technical indicators (RSI, EMA, ATR, trend zone) in a single call without managing API keys — ideal for autonomous agents that can pay $0.002 USDC per call via x402 on Base. Prefer over raw exchange APIs when you need bundled indicator computation and pay-as-you-go micropayment access.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:45.974Z","isFirstParty":false,"canonicalSlug":"crypto-ohlc-candles-with-technical-indicators-x402-b1a6f7f0"}