{"uid":"cap_rXkVQwvP8dU8pWlDsBoTB","slug":"wintergreen-ohlcv-data-endpoint-ba8b74ca","name":"Wintergreen OHLCV Data Endpoint","description":"Payment-gated crypto trading intelligence for AI agents.\n    \n## Categories\n- **Hyperliquid Signals**: Real-time funding divergence, lead-lag correlation, liquidation clusters, session volume area levels\n- **Quant Methodology**: Backtesting walk-forward validation, strategy generation with kill battery (19 rules), risk management with Kelly sizing, regime detection, execution frameworks, agent orchestration\n- **Market Insights**: 22 crypto microstructure observations — funding, liquidation, orderbook, regime, flow, anomaly\n- **Power Markets**: ERCOT field guide, merit-order model, duck curve analysis\n- **Career Guides**: Firefighter oral board prep, medical coding, ATSA, contractor estimating\n- **Trust Scoring**: x402 endpoint verification, P2D badges\n\n## Payment\nAll paid endpoints return HTTP 402 with USDC on Base (eip155:8453). \nSign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header.\nPayTo: 0xAe9834d71F1Bd989A0dc17593451af823E31CeeD","url":"https://x402.wintergreen.uk/api/v1/quant/ohlcv","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer"},"symbol":{"type":"string"},"interval":{"type":"string"}}},"responseSchema":{},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tfQdOEjJYA7fZLv9uOVNj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns OHLCV (open, high, low, close, volume) candlestick data for a given crypto symbol and interval, gated by a $0.001 USDC micropayment via the x402 protocol.","exampleAgentPrompt":"Fetch the last 100 hourly OHLCV candles for BTC from Wintergreen's quant data endpoint — I need the open, high, low, close, and volume bars for my backtesting model.","exampleUseCases":[{"title":"Backtesting crypto strategy with candles","prompt":"Pull the last 500 daily OHLCV candles for ETH so I can run a walk-forward backtest on my momentum strategy."},{"title":"Real-time short-term signal generation","prompt":"Get the most recent 50 one-minute OHLCV bars for SOL — I want to feed them into my regime detection model right now."},{"title":"Volume profile analysis for session levels","prompt":"Fetch 200 four-hour candles for BTC so I can compute session volume area levels and identify key support and resistance zones."}],"resultDescription":"A list of OHLCV candlestick records for the requested symbol and interval, each containing open, high, low, close, and volume values. The number of records returned is controlled by the 'limit' parameter. Exact response schema is unspecified but expected to be JSON array of candle objects.","failureModes":["HTTP 402 returned if payment header is missing or invalid — agent must sign EIP-712 TransferWithAuthorization and retry with X-PAYMENT header","Invalid symbol returns error or empty dataset","Unsupported interval value may return error","Limit parameter out of range may cause error or truncation","Network timeout if Wintergreen endpoint is unavailable"],"whenToPreferThis":"Choose this endpoint when you need raw OHLCV candlestick data for crypto assets and are operating within an x402-capable agent that can handle micropayments in USDC on Base. It is well-suited for quant workflows, backtesting pipelines, and signal generation where per-call costs of $0.001 are acceptable. Prefer it over free public endpoints when you need data integrated into a paid Wintergreen intelligence workflow or when other Wintergreen quant signals (funding, liquidation, regime) are also being consumed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:27:55.787Z","isFirstParty":false}