{"uid":"cap_Ha1V1QJgV5VbUG41cs_6q","slug":"x402-on-chain-wallet-audit-62ec6d06","name":"x402 On-Chain Wallet Audit","description":"Pay-per-call on-chain API for AI agents and developers: wallet audits, token safety audits (honeypot detection), live gas prices, token prices, transaction receipts, balances, ENS resolution, block data, ERC-20 allowances, transaction simulation, swap quotes and multicall batches — all computed on-chain via public RPCs (no external market API). Pay per request in USDC on Base via the x402 exact scheme (EIP-3009 transferWithAuthorization). No API key, no signup, no subscription.","url":"https://x402-audit.tatschluizguilherme.workers.dev/audit?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"chains":{"op":{"eth":"0.1","usdc":"100","sUsdc":"50","recentTxs":[],"gasSpentUsd":1.2}},"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GUhAPVjk1xytxuxn7XBzy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns native ETH balances, gas estimates, and recent transactions for a wallet address across Optimism, Base, and Ethereum Mainnet in a single call","exampleAgentPrompt":"Can you audit the wallet 0xAbC123...def and give me its ETH balances, recent transactions, and current gas costs across Optimism, Base, and Ethereum Mainnet?","exampleUseCases":[{"title":"Multi-chain portfolio overview","prompt":"Pull a full audit of wallet 0x742d35Cc6634C0532925a3b8D4C9b5f1e2A8d3e7 — I want to see its ETH and token balances, recent txs, and gas costs across Base, Optimism, and Ethereum Mainnet."},{"title":"Due diligence on a counterparty wallet","prompt":"Before I send funds, can you audit the wallet 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 and show me its balances and recent transaction history on Base and Optimism so I can verify it's legitimate?"},{"title":"Debugging a user's stuck transaction","prompt":"A user is claiming they sent ETH but nothing arrived — can you audit their wallet 0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD and show me recent transactions and current gas prices on Mainnet, Base, and Optimism to figure out what happened?"}],"resultDescription":"A structured JSON response containing native ETH balances per chain (Optimism, Base, Ethereum Mainnet), ERC-20 token balances, current gas prices on each network, and a list of recent transactions (hashes, block numbers, values, status) for the queried wallet address.","failureModes":["Invalid or malformed wallet address returns 400 error","RPC node timeout on one or more chains may cause partial results or 504","Address with no on-chain activity returns empty transaction list","Unsupported chain identifier returns validation error","Payment failure (x402) blocks request before execution"],"whenToPreferThis":"Choose this endpoint when you need a holistic, multi-chain snapshot of a wallet in a single API call — balances, gas, and recent activity across OP, Base, and Mainnet simultaneously. Prefer this over individual balance or transaction endpoints when the use case requires a comprehensive audit rather than a single-chain point query.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:40:57.934Z","isFirstParty":false,"canonicalSlug":"x402-on-chain-wallet-audit-62ec6d06"}