{"uid":"cap_QvY7eAVAh2bVsm3BddvVY","slug":"agent402-transaction-inspector-d14c994c","name":"Agent402 Transaction Inspector","description":"Full decoded transaction on any Blockscout-hosted chain: status, from/to, value, gas, the decoded method + parameters, and token transfers - bought per call from Blockscout's Pro API over x402, no API key. What a tx actually did, on dozens of chains. Marked untrustedContent: external explorer data, analyze don't trust.","url":"https://agent402.tools/api/tx-inspect","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"hash":{"type":"string","description":"transaction hash (0x… 32-byte)"},"chain":{"type":"string","description":"chain name or numeric id (default base)"}}},"responseSchema":{"type":"json","example":{"hash":"0x4205…4f72","chain":"8453","method":"transfer","status":"ok","untrustedContent":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zBOulcgcGYnoPJLTrU85s","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Inspects and decodes a blockchain transaction by hash, returning method, status, and metadata for a given chain","exampleAgentPrompt":"Can you inspect transaction 0x4205...4f72 on Base and tell me what method it called and whether it succeeded?","exampleUseCases":[{"title":"Verify a USDC payment on Base","prompt":"I just sent a USDC payment on Base — can you look up transaction 0xabc123...def456 and confirm it went through and what it was for?"},{"title":"Decode an unknown smart contract call","prompt":"I have this transaction hash 0x789...abc on Ethereum mainnet — can you inspect it and tell me what method was called and whether it succeeded?"},{"title":"Audit an x402 pay-per-call charge","prompt":"I was charged for an x402 API call — can you pull up transaction 0xdeadbeef...1234 on chain 8453 and show me the method and status so I can verify it's legitimate?"}],"resultDescription":"Returns a JSON object with the transaction hash, chain ID, decoded method name (e.g. 'transfer'), transaction status ('ok' or error), and an untrustedContent flag indicating whether the transaction data contains unverified content.","failureModes":["Invalid or malformed transaction hash (non-0x or wrong length) returns an error","Transaction not found on the specified chain returns not-found error","Unsupported chain name or ID returns an error","Network timeout or RPC node unavailability causes lookup failure","Transaction still pending may return incomplete status"],"whenToPreferThis":"Use this endpoint when you need a quick, cheap ($0.01 USDC) on-chain transaction lookup without setting up a full blockchain node or RPC connection. Ideal for verifying x402 payments, decoding EVM method calls, or auditing on-chain transfers across Base and other supported chains. Prefer this over general block explorers when you need machine-readable JSON output for an agent workflow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:04.385Z","isFirstParty":false}