{"uid":"cap_72XKQjlqL4mEiMaIoRbLC","slug":"octodamus-order-chainflow-whales-474378b7","name":"Octodamus Order ChainFlow Whales","description":"Octodamus Order ChainFlow Whales -- pay-per-call x402 endpoint on Base. Preview: https://api.octodamus.com/v2/order_chainflow/whales/preview","url":"https://api.octodamus.com/v2/order_chainflow/whales","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","required":["method"],"properties":{"method":{"type":"string","const":"GET"},"headers":{"type":"object","required":["PAYMENT-SIGNATURE"],"properties":{"PAYMENT-SIGNATURE":{"type":"string","description":"x402 EIP-3009 USDC payment signature (Base mainnet)"}}}}},"output":{"type":"object","properties":{"action":{"enum":["BUY","SELL","HOLD"],"type":"string"},"signal":{"enum":["BULLISH","BEARISH","NEUTRAL"],"type":"string"},"btc_trend":{"enum":["UP","DOWN","SIDEWAYS"],"type":"string"},"reasoning":{"type":"string"},"confidence":{"type":"number","maximum":1,"minimum":0},"fear_greed":{"type":"number","maximum":100,"minimum":0},"polymarket_edge":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.35","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":"$0.35/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5NAhZ4a2YGtt3IORqrQqL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.35","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns whale-driven on-chain order flow signals for BTC including buy/sell/hold action, bullish/bearish/neutral sentiment, BTC trend direction, fear/greed index, Polymarket edge data, and confidence score","exampleAgentPrompt":"What are crypto whales doing with BTC right now — should I buy, sell, or hold? Give me the full Octodamus Order ChainFlow Whales signal including trend direction, fear/greed score, and Polymarket edge.","exampleUseCases":null,"resultDescription":"Returns a JSON object with: action enum (BUY/SELL/HOLD), signal enum (BULLISH/BEARISH/NEUTRAL), btc_trend enum (UP/DOWN/SIDEWAYS), a confidence score between 0 and 1, a fear_greed score between 0 and 100, a reasoning string explaining the signal, and a polymarket_edge object with prediction market data.","failureModes":["Missing or invalid PAYMENT-SIGNATURE header returns 402 Payment Required","Expired or replayed EIP-3009 signature rejected","Insufficient USDC balance on Base mainnet causes payment failure","Rate limiting if too many calls in short succession","Network congestion on Base mainnet may delay payment verification"],"whenToPreferThis":"Use this endpoint when you need aggregated whale on-chain order flow signals specifically for BTC, combined with fear/greed sentiment and Polymarket prediction market edge — ideal for agents making Bitcoin trading decisions or monitoring large-player momentum. Prefer over DEX-specific endpoints when you want a holistic whale signal rather than a single exchange view.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:44:12.479Z","isFirstParty":false}