{"uid":"cap_aBfCRkaAQBox9K6WcL_LZ","slug":"crypto-candles-with-technical-indicators-x402-c9479e32","name":"Crypto 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/api/crypto-candles?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_KVN4dnLyO8Lr-Ypynlkoq","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 OHLCV candlestick data plus computed technical indicators (RSI, EMA, ATR, trend, support/resistance zone) for a crypto asset, paid per-call via x402 USDC.","exampleAgentPrompt":"Grab me the last 100 hourly candles for BTC with RSI, EMA, and trend indicators — I want to know if it's in a support zone and which direction the trend is pointing.","exampleUseCases":[{"title":"Momentum check before placing trade","prompt":"Pull the last 50 four-hour candles for ETH and tell me whether RSI is overbought, what the EMA20 vs EMA50 crossover looks like, and whether the current price is in a support or resistance zone."},{"title":"Scalping bot signal feed","prompt":"Give me the last 200 one-minute candles for SOLUSDT so my scalping bot can compute entry signals — include ATR for stop-loss sizing and trend direction."},{"title":"Daily swing trade review","prompt":"Fetch 100 daily candles for BTC with all the technical indicators — I want to see the 14-day RSI, ATR as a percent of price, and whether we're trending up or down before I set my swing trade for tomorrow."}],"resultDescription":"Returns a JSON object with: array of OHLCV candles (open, high, low, close, volume, timestamp), last price, percent change, candle count, interval, symbol, data source, and a pre-computed indicators block containing RSI14, EMA20, EMA50, ATR14, ATR14 as percent of price, trend direction (up/down/sideways), and a support/resistance zone with low/high bounds and an in-zone boolean. Updated timestamp included.","failureModes":["Unknown symbol returns error or empty candles array","Interval not in allowed enum causes 400 validation error","Limit outside 10-500 range returns validation error","Payment not included or insufficient USDC triggers 402 response requiring x402 payment","Binance data source temporarily unavailable causes 5xx or stale data"],"whenToPreferThis":"Choose this endpoint when your agent needs candlestick market data AND pre-computed technical indicators (RSI, EMA, ATR, trend, zones) in a single call without managing API keys. Ideal for trading bots, onchain AI agents, or signal generators that need fast, pay-per-use access to structured OHLCV + indicator data. Prefer over raw exchange APIs when you want indicators pre-calculated server-side. Use over generic market data APIs when you need x402 micropayment compatibility and no subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:41.596Z","isFirstParty":false,"canonicalSlug":"crypto-candles-with-technical-indicators-x402-c9479e32"}