{"uid":"cap_Ai7J-yzmVpXMsEhir8cg0","slug":"tracefast-address-attribute-history-73153621","name":"TraceFast Address Attribute History","description":"TraceFast knowledge graph: every attribute interval an address has held, oldest first — when it became a contract, when its code was removed, when it first held state. Path address: The address, `0x`-prefixed, 40 hex characters, any case. Query limit: 1..=500, default 100. Docs: https://docs.tracefast.xyz/api/address-attribute-history.md","url":"https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/attributes/history?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"required":["method"],"properties":{"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.025","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":"$0.025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_K-uLMU5zPDg9SF-SOnniZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the complete chronological history of all attribute intervals an Ethereum address has held, including when it became a contract, when code was removed, and when it first held state.","exampleAgentPrompt":"Show me the full attribute history for Ethereum address 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2 — I want to know every attribute interval it has held, like when it became a contract or first held state, oldest events first, up to 200 results.","exampleUseCases":[{"title":"Investigate smart contract deployment lifecycle","prompt":"Can you pull the complete attribute history for 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D on Ethereum? I want to see exactly when it became a contract and every attribute change since, oldest first."},{"title":"Detect contract self-destruct events","prompt":"Has the contract at 0xdAC17F958D2ee523a2206206994597C13D831ec7 ever had its code removed? Pull its full attribute interval history so I can check for any code removal events."},{"title":"Audit address state history for compliance","prompt":"I need a timeline of every attribute phase the address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 has gone through on Ethereum — when it first held state, when it became a contract, all of it, going back to the beginning."}],"resultDescription":"An ordered list of attribute intervals (oldest first) for the specified Ethereum address, each describing a specific attribute the address held (e.g. 'is_contract', 'has_code', 'has_state'), along with the block or timestamp range during which that attribute was active. Supports pagination via the limit parameter (1–500, default 100).","failureModes":["Invalid or malformed address (not 0x-prefixed or not 40 hex chars) returns a 400 error","Address with no recorded attribute history returns an empty list","Limit parameter outside 1–500 range returns a validation error","Payment not provided or insufficient USDC balance triggers 402 Payment Required","Chain ID not supported returns a 404 or unsupported chain error","Rate limiting may return 429 if too many requests are made"],"whenToPreferThis":"Use this endpoint when you need the full chronological lifecycle of an Ethereum address's attributes — specifically to understand when it transitioned between states (e.g., became a contract, had code removed, first held storage). Prefer this over live contract endpoints when historical context matters, or over single-attribute proof endpoints when you need the complete timeline rather than evidence for one specific attribute.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T18:51:11.214Z","isFirstParty":false,"canonicalSlug":"tracefast-address-attribute-history-73153621"}