{"uid":"cap_GPIypbXa-fiwTVFm5KZXI","slug":"financial-data-x402-contract-creator-lookup-e7dd4db4","name":"Financial Data x402 — Contract Creator Lookup","description":"Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.","url":"https://x402financialdata.com/contract-creator/%7Baddress%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"chain":"eth","found":true,"address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","creator":"0x95ba4cf87d6723ad9c0db21737d862be80e93911","timestamp":"2018-08-03T20:48:24+00:00","block_number":6082465,"creation_tx_hash":"0xe7e0fe390354509cd08c9a0168536938600ddc552b3f7cb96030ebef62e75895"}},"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_mtiW8dfpqZHQs9cAjEytE","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":"Returns the creator address, creation timestamp, block number, and transaction hash for a given on-chain smart contract address.","exampleAgentPrompt":"Who deployed the contract at 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48? I want to know the creator address, when it was deployed, and the transaction hash.","exampleUseCases":[{"title":"Verify DeFi protocol deployer identity","prompt":"Can you tell me who actually deployed the Uniswap V2 router contract at 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D — give me the creator wallet, deploy date, and tx hash?"},{"title":"Audit token contract provenance","prompt":"I need to audit this ERC-20 token — can you look up the deployment details for contract 0x95aD61b0a150d79219dCF64E1E6Cc01f0B64C4cE, including who created it and at what block?"},{"title":"Trace NFT collection origin","prompt":"Before I invest, can you check who originally deployed the NFT contract at 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D and when it was first created on-chain?"}],"resultDescription":"A JSON object containing: chain identifier (e.g. 'eth'), a boolean 'found' flag, the queried contract address, the deployer/creator wallet address, the ISO 8601 creation timestamp, the block number at deployment, and the creation transaction hash.","failureModes":["Address not found on-chain returns found: false with no creator data","Malformed or invalid Ethereum address returns an error","Payment failure via x402 protocol results in a 402 response before data is returned","Rate or network issues on the underlying blockchain node may cause timeouts"],"whenToPreferThis":"Choose this endpoint when you need trustless, pay-per-call on-chain contract origin data without managing API keys or subscriptions. It is ideal for agents that need to verify contract provenance, audit deployer identities, or enrich contract metadata in a pipeline — paying $0.01 USDC per call via the x402 micropayment protocol on Base or Solana. Prefer it over Etherscan or Alchemy API wrappers when you want a single frictionless endpoint with no registration.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:41:37.519Z","isFirstParty":false}