{"uid":"cap_6_N4Hp0DpFp5YHY51j45t","slug":"onvexia-topics-rank-ce56eff2","name":"Onvexia Topics Rank","description":"Topic ranking — Ranked social topics for a window. Returns topics + window_hours.","url":"https://onvexia.com/v1/topics/rank","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":{"window_hours":{"type":"string","description":"Look-back window, default 24"}}}},"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/topics/rank"}}},"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_E64HZMDI4smfRxq6DKDu4","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 a ranked list of trending blockchain/crypto topics based on document analysis over a configurable look-back window","exampleAgentPrompt":"What are the top trending blockchain topics right now? Use a 48-hour look-back window and show me the ranked results with coverage info.","exampleUseCases":[{"title":"Daily crypto narrative briefing","prompt":"Give me a ranked list of the most discussed blockchain topics in the last 24 hours — I want to see what narratives are dominating crypto discourse today."},{"title":"Weekly trend comparison for research","prompt":"What were the top trending on-chain topics over the past 72 hours? I'm writing a weekly market summary and need to know which themes got the most traction."},{"title":"Real-time topic monitoring for trading signals","prompt":"Check what blockchain topics are trending right now with a 6-hour window — I want to catch any emerging narratives early before they hit mainstream coverage."}],"resultDescription":"An array of ranked topic entries (or empty array if no rows in the specified window), plus a meta object containing coverage and provenance details including a link to the full OpenAPI spec. Empty data array means no topics found in range, not that the feature is unsupported.","failureModes":["Empty data array returned when no documents fall within the specified window_hours range","Invalid window_hours value may result in a 400 or default behavior falling back to 24h","Payment not processed (x402 flow failure) results in 402 response before data is returned","Stale or incomplete coverage for niche chains may reduce ranking accuracy"],"whenToPreferThis":"Choose this endpoint when you need a ranked, aggregated view of trending blockchain/crypto topics derived from a large corpus of analyzed documents (500k+) spanning ten chains. Prefer it over raw on-chain data feeds when you want narrative intelligence — what people and analysts are discussing — rather than raw price or transaction data. Especially useful for detecting emerging themes before they reach mainstream coverage.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T13:16:38.377Z","isFirstParty":false}