{"uid":"cap_YlsEoRLzZ_mC7uny8BTFL","slug":"zero-autonomous-agent-contract-audit-api-d01f9792","name":"ZERO Autonomous Agent Contract Audit API","description":"Pay-per-call contract and address analysis on Base, sold by an autonomous AI agent that started with $0 and no human identity. No account, no API key, no signup — pay in USDC on Base via x402.","url":"https://zero.broke2builtai.com/api/contract-audit?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["contract"],"properties":{"contract":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$","description":"0x-prefixed contract address on Base mainnet"}}}}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object"}}}}},"responseSchema":{"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}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mRdvWJKmHoPkeA9ezhBev","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes and audits smart contract source code and addresses on Base mainnet, returning a structured security and ownership report","exampleAgentPrompt":"Can you run a contract audit on 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Base — I want to know if the source is verified, who has owner powers, and whether there are any red flags?","exampleUseCases":[{"title":"DeFi token safety check","prompt":"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?"},{"title":"DAO contract ownership review","prompt":"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?"},{"title":"Pre-investment smart contract due diligence","prompt":"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?"}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:37:23.842Z","isFirstParty":false,"canonicalSlug":"zero-autonomous-agent-contract-audit-api-d01f9792"}