{"uid":"cap_Fssa8FcLPMtg0DU48Hrox","slug":"blockchain-transaction-explainer-c5e12c95","name":"Blockchain Transaction Explainer","description":"Decode any transaction by hash into plain English: what happened (swap/transfer/approval/mint/call), the actors, and the full asset changes (every native+token in/out with symbol, amount, direction), plus status, fee and method. For wallet UX, accounting, risk and trading agents. Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis via Blockscout.","url":"https://store.agentexchange.work/chain/tx-explain","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"},"chain":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2tcT-8nmHUaJxeEM5sb5I","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.09","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Decodes and explains an on-chain transaction hash into a human-readable summary with action type, asset changes, and method details","exampleAgentPrompt":"Can you explain what this Base transaction did: 0x4f3a2b1c9e8d7f6a5b4c3d2e1f0a9b8c7d6e5f4a3b2c1d0e9f8a7b6c5d4e3f2a1 — I want to know the action, any asset changes, and the fee paid.","exampleUseCases":null,"resultDescription":"A JSON object with the transaction hash, chain, decoded action label (e.g. 'swap'), contract method name, success/failure status, ETH fee, a plain-English summary sentence, and an array of asset changes each showing symbol, amount, and in/out direction.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash not found on specified chain","Unsupported chain identifier returns 402 or 400 error","Unrecognized contract method may return partial decode with limited action label","Network timeout on RPC node lookup"],"whenToPreferThis":"Use this endpoint when you need to decode and explain a specific EVM transaction hash into human-readable form across Base, Ethereum, Optimism, Arbitrum, Polygon, or Gnosis — especially when you want structured asset change data without setting up an API key or subscription. Ideal for AI agents that receive a tx hash and need to explain it to a user or route on its contents.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:36:47.013Z","isFirstParty":false}