{"uid":"cap_lhxSs9pfB-_i1O1g1Gr3m","slug":"the-stall-blockchain-transaction-explainer-54ae5b02","name":"The Stall — Blockchain Transaction Explainer","description":"Given a transaction hash and chain, returns a decoded breakdown: sender, recipient, ETH value transferred, gas used, transaction fee, decoded method name (transfer/approve/swap/deposit/etc.), ERC-20 token transfer details if applicable, block number, block timestamp, and a one-sentence agent-readable summary. Supports Ethereum (default), Base, Polygon, and Arbitrum mainnet. Uses free public JSON-RPC nodes — no API key required, results in ~1-2s.","url":"https://the-stall.intuitek.ai/cap/tx-explainer","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.014","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":"$0.014/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.034","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.034","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bVZXEHpzZWM6A32GoINud","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.034","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and explains a blockchain transaction in human-readable detail given a transaction hash and chain","exampleAgentPrompt":"Can you explain what happened in this Ethereum transaction? The hash is 0x4e3a12f7b8c291d0a6e5f3b2c1d9e8a7f6b4c3d2e1f0a9b8c7d6e5f4a3b2c1d0 — I want to understand what it actually did.","exampleUseCases":null,"resultDescription":"A human-readable explanation of the given blockchain transaction, including decoded inputs, method calls, token transfers, contract interactions, and relevant metadata such as gas used, sender, receiver, and value transferred.","failureModes":["Invalid or malformed tx_hash (not 0x-prefixed or not 66 chars) returns a 400 or error response","Transaction hash not found on the specified chain returns a not-found error","Unsupported chain value returns a validation error","Payment not provided or insufficient USDC results in a 402 payment required response","Network or RPC timeout for the queried chain may return a 503 or timeout error"],"whenToPreferThis":"Use this endpoint when an agent or user needs to understand what a specific blockchain transaction did in plain language — especially when the transaction hash is known and the chain is one of ethereum, base, polygon, or arbitrum. Ideal for wallet assistants, DeFi analytics, user-facing tx history explanations, or debugging smart contract interactions. Preferred over raw RPC calls when human-readable interpretation is needed rather than raw hex data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:49:48.721Z","isFirstParty":false}