{"uid":"cap_pfICTp47UDSEDWiABN4wO","slug":"onvexia-watchlist-address-events-37c2c60a","name":"Onvexia Watchlist Address Events","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/watchlists/addresses/events","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":{"limit":{"type":"string","description":"Max 500"}}}},"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/watchlists/addresses/events"}}},"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":"unknown","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_QVDLts3O9as7_Tc5zwqRG","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":"Retrieves on-chain events associated with watchlisted blockchain addresses across multiple chains","exampleAgentPrompt":"Pull the latest on-chain events for all the addresses in my Onvexia watchlist — give me up to 100 results so I can see what activity has happened recently.","exampleUseCases":[{"title":"Monitoring flagged wallet activity","prompt":"Check Onvexia for the most recent on-chain events across all my watchlisted addresses and let me know if anything suspicious has come through in the last batch — pull up to 200 results."},{"title":"DeFi portfolio event tracking","prompt":"Fetch the latest blockchain events for all the crypto addresses I'm tracking in my Onvexia watchlist so I can see what transactions or interactions have occurred recently."},{"title":"Compliance alert review","prompt":"I need to review recent on-chain activity for the addresses on our watchlist — pull up to 500 events from Onvexia and flag anything that looks like unusual movement."}],"resultDescription":"Returns a JSON object with a `data` array of on-chain events associated with the user's watchlisted addresses (empty array means no events in range, not that monitoring is unsupported), plus a `meta` object with coverage and provenance information including a link to the full OpenAPI spec.","failureModes":["Empty data array returned if no events exist for watchlisted addresses in range — not an error","Limit parameter exceeds 500 cap, resulting in clamped or rejected response","No watchlist configured for the authenticated account, returning empty results","Authentication failure if x402 payment is not properly handled","Network timeout on large result sets approaching the 500-row limit"],"whenToPreferThis":"Use this endpoint when you need to retrieve discrete on-chain events (transactions, interactions, transfers) specifically tied to a pre-configured watchlist of addresses — rather than querying arbitrary addresses ad hoc. It is best suited for monitoring workflows where you have already curated a set of addresses of interest and want to poll for new activity. Prefer this over general blockchain explorers when you need Onvexia's labelled address intelligence and cross-chain coverage fused with event data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T12:43:38.872Z","isFirstParty":false}