{"uid":"cap_gCNvtrm6PBmADtLLOK6zn","slug":"tracefast-contract-metadata-a767ae33","name":"TraceFast Contract Metadata","description":"TraceFast live Ethereum data: one deployed contract — the hash and size of its current code, what the code exposes (ERC-20 view functions, ERC-165, an EIP-1167 minimal proxy and its target), the proxy pattern detected in it, and its lifecycle: the deploying account, the origin account, the creating transaction, code changes and self-destruction. Path address: The contract address, `0x`-prefixed, 40 hex characters, any case. Docs: https://docs.tracefast.xyz/api/contract.md","url":"https://mpp.tracefast.xyz/api/v1/chains/1/contracts/:address?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":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g_Ep74S87ffK1qa3sO5Po","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns comprehensive metadata for a deployed Ethereum contract: bytecode hash/size, ABI interface detection (ERC-20, ERC-165), proxy pattern analysis, and full lifecycle info (deployer, origin, creating transaction, code changes, self-destruct).","exampleAgentPrompt":"Look up the full contract metadata for 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum — I want to know the proxy pattern, who deployed it, the bytecode hash, and whether it implements ERC-20.","exampleUseCases":[{"title":"Identify proxy pattern and implementation","prompt":"Can you check what proxy pattern the contract at 0xC36442b4a4522E871399CD717aBDD847Ab11FE88 uses and tell me what the proxy target address is?"},{"title":"Verify contract deployer and origin","prompt":"Who originally deployed the contract at 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D on Ethereum — I need the deploying account, the origin account, and the transaction that created it."},{"title":"Check if contract has self-destructed","prompt":"Has the contract at 0x00000000219ab540356cBB839Cbe05303d7705Fa ever self-destructed or had its code changed? Also tell me the bytecode hash and size."}],"resultDescription":"A JSON object containing: the contract's current bytecode hash and size, detected interface support (ERC-20 view functions, ERC-165), EIP-1167 minimal proxy flag and target address if applicable, the detected proxy pattern, the deploying account address, the origin (EOA) account, the transaction hash that created the contract, a history of code changes, and self-destruct status.","failureModes":["Invalid or malformed address (not 40 hex chars or missing 0x prefix) returns a 400 error","Address is an EOA (externally owned account), not a contract — returns empty or null contract data","Contract not yet indexed or very recently deployed — may return incomplete lifecycle data","Network timeout or upstream Ethereum node unavailability causes 5xx error","Payment not included or insufficient — x402 payment required error"],"whenToPreferThis":"Use this endpoint when you need rich, structured contract metadata beyond raw bytecode — specifically when you need proxy detection (EIP-1167 minimal proxy, upgradeable proxy patterns), ERC standard interface detection, or deployer/origin/lifecycle history for a specific Ethereum mainnet contract address. Prefer this over raw RPC calls when you need the full picture in a single request without writing custom parsing logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T00:41:41.040Z","isFirstParty":false,"canonicalSlug":"tracefast-contract-metadata-a767ae33"}