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Financial Data x402 — Contract Creator Lookup
x402
Financial Data x402 — Contract Creator Lookup is a paid API for AI agents from x402financialdata.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Returns the creator address, creation timestamp, block number, and transaction hash for a given on-chain smart contract address.
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.
Output
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.
Example use cases
Verify DeFi protocol deployer identity
“Can you tell me who actually deployed the Uniswap V2 router contract at 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D — give me the creator wallet, deploy date, and tx hash?”
Audit token contract provenance
“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?”
Trace NFT collection origin
“Before I invest, can you check who originally deployed the NFT contract at 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D and when it was first created on-chain?”
Technical details
Endpoint
GEThttps://x402financialdata.com/contract-creator/%7Baddress%7DWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Output
Schema · Response
{
"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"
}
}Tags
x402
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