{"uid":"cap_fsLSruGKI-lh9Da0qYkId","slug":"cloudmaxi0x-ohlcv-data-feed-f4f3fe9c","name":"CloudMaxi0x OHLCV Data Feed","description":"Deterministic, verifiable crypto market data and honest backtest audits. Use GET /v1/data/ohlcv for exact OHLCV over a half-open range with a SHA-256 Merkle manifest - only closed candles are returned, exchange decimal strings are preserved byte for byte, so the same query always yields the same root. Use GET /v1/data/proof to verify one candle against a root you already hold. Use POST /v1/validate/trades to find out whether a list of trade returns can be distinguished from luck, and POST /v1/validate/filter to test a trade filter against a permutation null. GET /, /v1/schema and /v1/data/sources are free.","url":"https://cloudmaxi0x.com/v1/data/ohlcv","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["symbol","interval","start_ms","end_ms"],"properties":{"end_ms":{"type":"integer","description":"EXCLUSIVE, epoch ms, must be an exact multiple of the interval"},"source":{"enum":["binance"],"type":"string"},"symbol":{"type":"string","description":"e.g. BTCUSDT"},"interval":{"enum":["1m","3m","5m","15m","30m","1h","2h","4h","6h","8h","12h","1d","3d","1w"],"type":"string"},"start_ms":{"type":"integer","description":"inclusive, epoch ms, MUST be an exact multiple of the interval"}}}},"additionalProperties":false}}},"responseSchema":null,"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_7fcdRlfjf0iM01z95pr18","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 deterministic, SHA-256 Merkle-anchored OHLCV candlestick data for a specified crypto trading pair, interval, and half-open time range — only closed candles, with exchange decimal strings preserved verbatim.","exampleAgentPrompt":"Fetch me the 1-hour OHLCV candles for BTCUSDT from Binance between January 1 2024 00:00 UTC and January 8 2024 00:00 UTC — I need the Merkle root so I can verify the data later.","exampleUseCases":[{"title":"Reproducible backtest data pull","prompt":"Get me all the 15-minute BTCUSDT candles from Binance for the entire month of March 2024 — I need the Merkle manifest root so my backtesting run is fully auditable and reproducible."},{"title":"Quantitative strategy research","prompt":"Pull the 4-hour ETHUSDT candles from Binance between November 1 2023 and December 1 2023 so I can run a quant analysis — make sure exchange decimal precision is preserved exactly as returned."},{"title":"Pre-trade data integrity check","prompt":"Fetch the daily SOLUSDT candles from January 1 2024 to April 1 2024 with the SHA-256 Merkle root so our compliance team can verify we used untampered price data in our model."}],"resultDescription":"A list of closed OHLCV candles for the requested symbol and interval within the specified half-open time range, with exchange-native decimal strings preserved byte-for-byte, plus a SHA-256 Merkle manifest root that uniquely and deterministically identifies this exact dataset. The same query parameters always return the same root, enabling cryptographic verification.","failureModes":["start_ms or end_ms not aligned to an exact multiple of the interval — returns 400 error","end_ms not greater than start_ms — invalid range error","unsupported symbol or interval enum value — validation error","requested range too large — potential timeout or payload size limit","Binance source unavailable or data gap in range — partial or error response","Missing required query parameters (symbol, interval, start_ms, end_ms) — 400 bad request","Payment not provided or insufficient — 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need cryptographically verifiable, reproducible OHLCV data — i.e. when auditability, determinism, and tamper-evidence matter, such as for backtesting audits, compliance workflows, or research that must be independently reproduced. Prefer it over generic market data APIs when you need a Merkle proof to confirm data integrity, or when you need exchange-native decimal precision preserved exactly. Not suitable for real-time streaming or live tick data needs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:41:55.321Z","isFirstParty":false}