{"uid":"cap_CyDPe1gSLXldftoXXU-jL","slug":"onvexia-whale-exchange-flows-848ae610","name":"Onvexia Whale Exchange Flows","description":"Thousands of assets across ten chains, half a million analysed documents, labelled addresses and supply-age history reaching back to 2008 — fused into one reading per asset. REST, SQL, GraphQL and MCP.","url":"https://onvexia.com/v1/whales/exchange-flows","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"data":[],"meta":{"docs":"https://onvexia.com/openapi.json","endpoint":"/v1/whales/exchange-flows"}}},"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_jcW2qba9cvLGuNEjsCoi0","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 on-chain whale exchange flow data — large transfers into and out of centralized exchanges — for tracked crypto assets across multiple blockchains.","exampleAgentPrompt":"Pull the latest whale exchange flow data for Bitcoin — I want to see whether large holders are depositing or withdrawing from exchanges right now, as a signal for near-term price direction.","exampleUseCases":[{"title":"Pre-trade whale signal check","prompt":"Before I enter a large ETH position, check the Onvexia whale exchange flows for Ethereum — are whales currently moving coins onto exchanges, which might signal incoming sell pressure?"},{"title":"Crypto fund daily briefing","prompt":"Give me a morning summary of whale exchange flows across BTC, ETH, and SOL — I need to know if any major holders moved significant amounts onto or off exchanges overnight."},{"title":"On-chain alert for token research","prompt":"I'm researching a mid-cap altcoin and want to know if any whale addresses have been sending large amounts to exchanges in the past week — can you pull the exchange flow data from Onvexia for that?"}],"resultDescription":"A JSON object with a `data` array containing whale exchange flow records (inflow/outflow volumes, labelled addresses, asset identifiers, chain, timestamps) and a `meta` object with documentation links and endpoint info.","failureModes":["Empty data array returned if no whale flows match the query parameters or asset is not covered","Invalid or unsupported asset/chain combinations return an error or empty result","Payment failure (x402) if USDC micropayment of $0.002 is not correctly attached","Malformed properties filter causes a 400 bad request","Rate limiting if too many requests are made in quick succession"],"whenToPreferThis":"Choose this endpoint when you need on-chain intelligence specifically about large holder (whale) movements into or out of centralized exchanges — a leading indicator of sell or buy pressure. Prefer it over generic price or volume APIs when the user wants behavioral signals from labelled on-chain addresses rather than market data. It is especially valuable for crypto research, trading signal generation, and risk monitoring workflows where whale intent matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T12:33:00.664Z","isFirstParty":false}