{"uid":"cap_SoPSUiOue3KY2RVA4m-FZ","slug":"santyvv-data-defi-chain-history-bf23c5b0","name":"santyvv-data DeFi Chain History","description":"Market and on-chain data, paid per call in USDC on Base through the x402 protocol. No accounts, no API keys. Sources are public data providers; the value added here is keyless access, edge caching, multi-source fallback and normalised responses.","url":"https://x402.santyvv.com/api/defi/chain-history?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cpQym3xeat2ama3CFK945","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches normalized on-chain transaction history for DeFi activity, paid per call in USDC via x402 protocol with no API key required","exampleAgentPrompt":"Pull the on-chain transaction history for wallet 0xAbC...123 using the santyvv DeFi chain history endpoint — I need the normalized activity records and I don't want to set up any API keys.","exampleUseCases":[{"title":"DeFi portfolio audit for a wallet","prompt":"Get me the full on-chain transaction history for wallet address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e so I can audit what DeFi protocols it has interacted with."},{"title":"Automated agent chain activity monitoring","prompt":"Fetch the recent chain history for address 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe without needing me to set up API credentials — I want the normalized records for my monitoring agent."},{"title":"On-chain history for tax or compliance reporting","prompt":"Retrieve the historical on-chain DeFi transactions for address 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 so I can compile activity records for reporting purposes."}],"resultDescription":"A normalized list of on-chain transactions and DeFi activity records for the queried address/chain, aggregated from public blockchain data providers, edge-cached, with multi-source fallback for reliability.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 requiring x402 payment","Invalid or missing query parameters — returns 400 with parameter error","Chain or address not supported — returns 404 or empty result set","Upstream data provider outage — may return partial or degraded response despite fallback","Rate or network issues — transient 5xx errors from edge infrastructure"],"whenToPreferThis":"Choose this endpoint when you need on-chain DeFi transaction history without going through API key registration or account setup, especially in agentic workflows where keyless micropayment access via x402 is preferred. Ideal when you want normalized, consistently structured responses aggregated from multiple public blockchain data sources with edge caching for reliability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:38:41.154Z","isFirstParty":false,"canonicalSlug":"santyvv-data-defi-chain-history-bf23c5b0"}