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Contract Creator Lookup
x402
Contract Creator Lookup is a paid API for AI agents from x402-stock-indicators.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-12).
Returns the deployer address, deployment block, timestamp, and transaction hash for a given smart contract address on Ethereum
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: the chain identifier (e.g. 'eth'), a boolean indicating whether the contract was found, the queried contract address, the creator/deployer wallet address, the ISO 8601 timestamp of deployment, the block number of deployment, and the creation transaction hash.
Example use cases
Token contract origin verification
“Can you tell me who created the USDC contract at 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48? I want the deployer wallet, the block it was deployed at, and the original transaction hash.”
DeFi protocol due diligence
“Before I interact with this DeFi protocol, can you check who deployed the contract at 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D and when it was first deployed on Ethereum?”
NFT contract provenance check
“I want to verify the origin of this NFT collection — can you look up the contract at 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D and tell me who created it and what block it appeared in?”
Technical details
Endpoint
GEThttps://x402-stock-indicators.vercel.app/contract-creator/%7Baddress%7DWhen to prefer
Choose this endpoint when you need on-chain provenance data for a specific smart contract — specifically the deployer identity, deployment block, and transaction hash — without signing up for an API key or subscription. It is ideal for agents performing due diligence on DeFi protocols, token contracts, or NFT collections, and for workflows that pay per query using USDC on Base or Solana via the x402 protocol.
Side effects
- Contract address not found on chain — returns found: false
- Invalid or malformed address format — may return error or empty result
- Contract deployed on unsupported chain — data may be unavailable
- Network or upstream data provider timeout
- Payment failure via x402 protocol — call not executed if USDC payment is rejected
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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