{"uid":"cap_MeVZvhM_24zYXtQbZHIuQ","slug":"base-transaction-explainer-ae5b6a68","name":"Base Transaction Explainer","description":"Give a Base transaction hash and Claude explains what it actually did in plain English — the action, a risk read (failed tx, risky approval, high-value transfer), and notes. Turns raw calldata into an answer agents and humans can use.","url":"https://402.com.tr/api/x402/ai-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"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["hash"],"properties":{"hash":{"type":"string","description":"Transaction hash"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","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":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1c2nAB-HKJBjSl34HWCLY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Takes a Base blockchain transaction hash and returns a plain-English explanation of what the transaction did, including action summary, risk assessment, and contextual notes.","exampleAgentPrompt":"Can you explain what this Base transaction actually did in plain English — what action was taken, whether it looks risky, and any notes I should know about? The hash is 0x4a3b2c1d5e6f7890abcdef1234567890abcdef1234567890abcdef1234567890ab","exampleUseCases":null,"resultDescription":"Returns a plain-English breakdown of the transaction: what action was performed (e.g. token swap, approval, transfer), a risk read flagging issues like failed tx, risky unlimited approvals, or high-value transfers, and additional contextual notes to help humans and agents understand what actually happened on-chain.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash not found on Base network","Transaction is too complex or involves unknown contracts that cannot be decoded","Network timeout or upstream RPC failure","Payment of $0.04 USDC not fulfilled, returning 402 payment required"],"whenToPreferThis":"Use this endpoint when you need a human-readable interpretation of a specific Base transaction — especially when raw calldata or event logs are opaque and you need risk context (failed tx, risky approvals, high-value transfers) alongside the action summary. Prefer this over generic block explorers when an AI-generated natural language explanation with risk annotation is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:51:44.712Z","isFirstParty":false}