{"uid":"cap_u_cFNx_CtD5K4aBeQyckc","slug":"onvexia-whale-entities-endpoint-3efaeb5e","name":"Onvexia Whale Entities Endpoint","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/entities","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"hours":{"type":"string","description":"Window"},"limit":{"type":"string","description":"Max 100"}}}},"additionalProperties":false},"output":{"type":"object","properties":{"example":{"type":"object","properties":{"data":{"description":"The result — an array or object depending on the endpoint. An empty array means no rows in range, never that the metric is unsupported."},"meta":{"type":"object","description":"Coverage and provenance: what was measured, and what is not held. A null label means no label is held, never that the subject is safe."}}}}}}},"responseSchema":{"type":"json","example":{"data":[],"meta":{"docs":"https://onvexia.com/openapi.json","endpoint":"/v1/whales/entities"}}},"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_iL_qqc9RWmIZ--BDgzqSG","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 a list of identified large-holder (whale) entities and their labelled addresses observed on-chain within a configurable time window.","exampleAgentPrompt":"Show me the top 50 labelled whale entities that have been active on-chain in the last 24 hours — I want to see who the big players are and any provenance metadata Onvexia holds on them.","exampleUseCases":[{"title":"Monitor active whales before a trade","prompt":"Pull up the 100 most active whale entities from the last 6 hours so I can see if any major players are moving before I make my position."},{"title":"Identify labelled entities for compliance review","prompt":"Give me a list of labelled whale entities seen on-chain in the past 48 hours — I need the entity names and any coverage metadata for a compliance report."},{"title":"Research whale concentration in a market","prompt":"Who are the biggest on-chain whale entities Onvexia has labelled that were active in the last 12 hours? I want up to 50 results for my market research."}],"resultDescription":"Returns a JSON object with a `data` array of whale entity records (labelled addresses and entity metadata) and a `meta` object containing coverage and provenance information including a link to the full OpenAPI spec. An empty data array means no whale entities were observed in the requested window, not that the feature is unsupported.","failureModes":["Empty data array if no whale entities appear in the requested time window (not an error)","Limit capped at 100; requests above this will be silently clamped or rejected","Invalid hours or limit parameter types may cause a 400 error","402 Payment Required if the x402 micropayment of 0.002 USDC is not included","Meta null labels indicate no label is held, not that the address is safe or clean"],"whenToPreferThis":"Choose this endpoint when you need a quick, paginated list of recently-active labelled whale entities from Onvexia's multi-chain dataset, especially when entity identity and provenance metadata matter. Prefer it over generic block-explorer queries when you need pre-labelled, analytics-ready entity data rather than raw transaction records.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T13:03:23.166Z","isFirstParty":false}