{"uid":"cap_s2IO7OB3dSxFqOaWKe_l2","slug":"onvexia-tokenized-basis-analytics-8b85628a","name":"Onvexia Tokenized Basis Analytics","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/tokenized/basis","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":"Underlyings to return, default 40, max 200"}}}},"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/tokenized/basis"}}},"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_cbR_5XbYaw4OX6d3ZtRpe","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 tokenized underlying assets with fused blockchain analytics including labelled addresses, supply-age history, and document-derived signals.","exampleAgentPrompt":"Pull me the top 50 tokenized asset underlyings from Onvexia's basis endpoint — I want their labelled addresses, supply-age history, and coverage metadata all in one shot.","exampleUseCases":[{"title":"Due diligence on tokenized RWA assets","prompt":"Give me a list of up to 100 tokenized underlying assets from Onvexia with their supply-age history and any labelled addresses — I'm trying to do due diligence before allocating to a real-world asset fund."},{"title":"Monitoring cross-chain asset coverage gaps","prompt":"Fetch the full basis list of tokenized underlyings from Onvexia — up to 200 — and show me the coverage metadata so I can see which assets have gaps or missing labels."},{"title":"Research oldest on-chain tokenized positions","prompt":"I'm researching tokenized assets with the longest on-chain history going back toward 2008 — can you pull the Onvexia tokenized basis data and sort by the oldest supply age?"}],"resultDescription":"Returns a JSON object with a 'data' array of tokenized underlying asset records (labelled addresses, supply-age history, fused analytics signals) and a 'meta' object describing coverage scope, provenance, and documentation links. An empty data array means no rows in range, not that the metric is unsupported. A null label in meta means no label is held, not that the subject is safe.","failureModes":["Empty data array returned when no underlyings fall within requested range — not an error, just no matching rows","Null label fields in meta indicate missing label data, not a safe/clean signal","limit parameter exceeding 200 may be rejected or capped","Payment of 0.001 USDC required per call via x402 — missing or failed payment returns 402","API may return partial coverage metadata if underlying chains are not fully indexed"],"whenToPreferThis":"Choose this endpoint when you need a fused, multi-signal view of tokenized asset underlyings combining labelled addresses, supply-age history, and document-derived analytics across up to ten chains in a single REST call. Prefer it over raw chain explorers or single-chain analytics tools when you need cross-chain coverage with provenance metadata in one response.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-19T12:53:23.847Z","isFirstParty":false}