{"uid":"cap_VlrU94dfE_yxsf5vnRnNn","slug":"evm-internal-transaction-lookup-fbe48333","name":"EVM Internal Transaction Lookup","description":"X402 micropayments server — AI agents pay USDC for OFAC screening, rates, and billing verification.","url":"https://x402helper.xyz/89e509/evm/internal-tx?utm_source=zero.xyz","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":["tx"],"properties":{"tx":{"type":"string","default":null,"description":"Transaction hash, 0x + 64 hex"},"network":{"enum":["base","ethereum","arbitrum","optimism","polygon"],"type":"string","default":null,"description":"EVM network with a Blockscout host (default base)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"result":{},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.013","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":"$0.013/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.013","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.013","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tbSxlQoE8JTS5Mf424Uid","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.013","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up details of an internal EVM transaction by hash on a specified blockchain network via Blockscout","exampleAgentPrompt":"Can you look up the internal transaction details for hash 0x3a1b2c... on the Base network?","exampleUseCases":[{"title":"Verify DeFi protocol internal call","prompt":"I need to check what internal transactions occurred inside tx hash 0xabc123...def456 on Ethereum — can you pull the full internal transaction details?"},{"title":"Debug a failed Arbitrum transaction","prompt":"Can you look up the internal transaction trace for 0xdeadbeef...12345678 on Arbitrum so I can see what sub-calls happened and where it might have failed?"},{"title":"Confirm internal USDC transfer on Base","prompt":"Please check the internal transaction for hash 0x9f8e7d...001122 on Base and tell me if a token transfer was executed internally."}],"resultDescription":"Returns a JSON object with success status and a result object containing internal transaction details retrieved from Blockscout for the specified EVM network and transaction hash.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash not found on the specified network","Unsupported network specified","Network congestion may cause slow Blockscout responses","Hash exists on a different chain than specified"],"whenToPreferThis":"Use this endpoint when you need to inspect internal (sub-call) transaction details on an EVM-compatible chain — particularly useful for debugging DeFi interactions, verifying internal token transfers, or auditing contract-to-contract calls that don't appear as top-level transactions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-07T06:46:37.204Z","isFirstParty":false,"canonicalSlug":"evm-internal-transaction-lookup-fbe48333"}