{"uid":"cap_vi1c0h7cbJ9UaOPYVs4cN","slug":"onvexia-nlp-analyze-970b0dad","name":"Onvexia NLP Analyze","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/nlp/analyze","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"data":[],"meta":{"docs":"https://onvexia.com/openapi.json","endpoint":"/v1/nlp/analyze"}}},"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_0t5lWJj5UJHEtDEFHvCWI","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":"Runs NLP analysis on blockchain-related text documents, extracting structured insights from the Onvexia corpus of half a million analysed crypto documents across ten chains.","exampleAgentPrompt":"Can you run Onvexia's NLP analysis on this Ethereum project announcement and pull out the key entities, sentiment, and any labelled address references from their document corpus?","exampleUseCases":[{"title":"Token due diligence from documents","prompt":"I'm researching a new DeFi token — can you use Onvexia to run NLP analysis on its whitepaper text and tell me what key entities, risks, and supply details show up across their half-million-document corpus?"},{"title":"Labelled address extraction from text","prompt":"I have a paragraph from a blockchain forensics report mentioning several wallet addresses — can you send it through Onvexia's NLP endpoint and identify which addresses are labelled in their database?"},{"title":"Sentiment analysis on crypto asset coverage","prompt":"Here's a block of analyst commentary about Bitcoin's 2024 supply dynamics — run it through Onvexia's NLP analyzer and tell me the overall sentiment and any structured signals it extracts."}],"resultDescription":"Returns a JSON object with a `data` array containing NLP analysis results (entities, labels, classifications, or extracted signals depending on input) and a `meta` object with documentation links and the endpoint path. The exact structure of data items depends on the properties passed; refer to the OpenAPI spec at onvexia.com/openapi.json for full schema.","failureModes":["Malformed or empty `properties` string returns empty `data` array","Input referencing assets not in the ten-chain corpus may yield sparse results","Insufficient USDC balance (x402 payment failure) blocks the call","Rate limiting or network errors return non-200 HTTP responses","Ambiguous or very short text inputs may produce low-confidence or empty extractions"],"whenToPreferThis":"Choose this endpoint when you need NLP-based extraction or classification on blockchain and crypto-related text and want to leverage Onvexia's proprietary corpus of half a million analysed documents with labelled addresses and multi-chain supply-age history dating to 2008. It is particularly valuable when you need document-grounded insights rather than raw on-chain data queries, and when your input is free-form text rather than structured blockchain parameters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T06:32:51.744Z","isFirstParty":false}