{"uid":"cap_Aq_DqVlHnPrGVWAOzfL9f","slug":"onvexia-natural-language-screen-3d94322c","name":"Onvexia Natural Language Screen","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/screen/nl","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":{"q":{"type":"string","description":"e.g. 'top gainers with rising social volume'"}}}},"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/screen/nl"}}},"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_kcJyziqgXYLZ561vzS4mC","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":"Screen crypto assets using a natural language query against Onvexia's fused blockchain analytics database covering thousands of assets across ten chains","exampleAgentPrompt":"Use Onvexia to screen crypto assets and find top gainers with rising social volume right now — give me the list with coverage details.","exampleUseCases":[{"title":"Momentum screening for trading signals","prompt":"Screen crypto assets for me using Onvexia — I want tokens that are top gainers with rising social volume across any of their supported chains."},{"title":"Risk filter for labelled addresses","prompt":"Can you query Onvexia to find assets where a significant portion of supply is held by labelled exchange or flagged addresses? I want to know which tokens might have hidden concentration risk."},{"title":"Historical accumulation discovery","prompt":"Use Onvexia to screen for tokens that have been steadily accumulated since before 2015 and still have low circulating supply age — I'm looking for long-term holder conviction signals."}],"resultDescription":"Returns a JSON object with a 'data' field containing an array of matching assets or analytics rows based on the natural language query, and a 'meta' field describing coverage scope, provenance, what was measured, and what data is not held. An empty data array means no assets matched the query, not that the metric is unsupported.","failureModes":["Empty data array when no assets match the query criteria — not an error","Null label in meta means no label is held for that subject, not that it is safe or clean","Query too vague or ambiguous may return broad or unexpected results","Payment required (402) if USDC payment not provided","Rate limiting if too many requests per period","Unsupported chain or asset may return empty coverage metadata"],"whenToPreferThis":"Choose this endpoint when you want to screen or discover crypto assets using plain English queries against a broad, fused dataset covering thousands of tokens across ten blockchains, labelled addresses, document analysis, and supply-age history back to 2008. Prefer it over raw on-chain data APIs when you need multi-signal fusion (social, on-chain, document) in one call, or when you need natural language flexibility rather than rigid filter parameters. Best suited for discovery and screening workflows rather than deep single-asset analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T13:10:07.374Z","isFirstParty":false}