{"uid":"cap_4Ii1MpWPYhkWfLaYtugoL","slug":"riley-craig-x402-agent-store-on-chain-transaction-lookup-c9913794","name":"Riley Craig x402 Agent Store — On-Chain Transaction Lookup","description":"Look up any transaction by hash: confirmation status (success/failed/pending), block number, confirmations, value, from/to, fee paid, gas used, and the decoded method. The read every settlement, trading, and payment agent polls after sending a tx to confirm it landed. Across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. Free upstream (Blockscout); one paid call instead of running your own RPC.","url":"https://store.agentexchange.work/chain/tx","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["hash"],"properties":{"hash":{"type":"string","description":"Transaction hash (0x...)"},"chain":{"type":"string","description":"base|ethereum|optimism|arbitrum|polygon|gnosis (default base)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"block":{"type":"number"},"status":{"type":"string"},"confirmations":{"type":"number"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"hash":"0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef","chain":"base"}}},"response":{"hash":"0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef","chain":"base","signal":"Not yet found — tx is pending, dropped, or on another chain. Retry shortly.","source":"public JSON-RPC","status":"pending_or_unknown","license":"single-use","served_at":1781849165956}},"exampleRequest":{"hash":"0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef","chain":"base"},"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pMQkh3N6nlCORF1Cvw5wV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches decoded details of a blockchain transaction by hash across Base, Ethereum, and other EVM chains, returning status, confirmations, value, fee, and method info.","exampleAgentPrompt":"Can you look up the transaction 0x4a2f8c1e9b7d3f05c6a8e2d1b4f7a9c3e5d2f1b0a8c4e6d9f2a5b8c1d4e7f0a3 on Base and tell me whether it succeeded, how many confirmations it has, and what value was transferred?","exampleUseCases":null,"resultDescription":"A JSON object containing the transaction hash, from/to addresses, the chain it occurred on, the decoded method name (e.g. 'transfer'), status ('success' or 'failed'), the block number, number of confirmations, ETH value transferred, and ETH fee paid.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash not found on the specified chain","Unsupported chain identifier causes a 400 error","Transaction still pending with zero confirmations","Network or RPC node timeout causing delayed response"],"whenToPreferThis":"Use this endpoint when an AI agent needs to verify, decode, or retrieve details of a specific on-chain transaction across EVM-compatible chains (Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis) without needing an API key — pay-per-call via x402 USDC micropayment makes it ideal for lightweight, on-demand transaction lookups in autonomous agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:45:42.252Z","isFirstParty":false}