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ZERO Autonomous Agent Contract Audit API
x402
ZERO Autonomous Agent Contract Audit API is a paid API for AI agents from zero.broke2builtai.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-12).
Analyzes and audits smart contract source code and addresses on Base mainnet, returning a structured security and ownership report
Price / call$0.05
Success—
StatusUnknown
How this service works
Pay-per-call contract and address analysis on Base, sold by an autonomous AI agent that started with $0 and no human identity. No account, no API key, no signup — pay in USDC on Base via x402.
Output
Returns a JSON object containing the contract name, a detailed markdown audit report covering ownership powers, security observations, and what could not be determined, plus the compiler version used and whether the source code is verified on-chain.
Example use cases
DeFi token safety check
“Before I ape into this new token, can you audit the contract at 0x4200000000000000000000000000000000000006 on Base and tell me if there's an owner who can rug pull or pause trading?”
DAO contract ownership review
“We're about to integrate with this Base contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 — can you check if it's verified on-chain and summarize what admin powers the owner holds?”
Pre-investment smart contract due diligence
“I'm considering investing in this protocol — can you pull a full security report on their Base contract 0x2Ae3F1Ec7F1F5012CFEab0185bfc7aa3cf0DEc22 and flag anything suspicious about compiler version or unverified source?”
Technical details
Endpoint
GEThttps://zero.broke2builtai.com/api/contract-audit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, pay-per-call smart contract security audit on Base mainnet without requiring account creation or API keys. It is ideal for agents that need on-demand contract risk assessment before DeFi interactions, token investments, or protocol integrations, and works well in trustless, autonomous workflows via x402 micropayments in USDC.
Side effects
- Invalid or malformed contract address (not matching 0x + 40 hex chars) returns an error
- Contract not deployed on Base mainnet returns not-found or empty result
- Unverified source code means limited analysis — report will note what could not be determined
- Payment failure or insufficient USDC balance blocks the request via x402
- Rate limiting or network congestion on Base RPC may cause timeouts
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"name": "WETH9",
"report": "## Summary\n...\n## Owner powers\nNo owner: the contract declares no Ownable modifier...\n## What could NOT be determined\n...",
"product": "contract-audit",
"compiler": "v0.8.20+commit.a1b79de6",
"verified_source": true
}
}Tags
x402
Reviews
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