{"uid":"cap_HVhX2_wLdTELU9fcCltOT","slug":"evm-internal-transaction-tracer-fd0560ed","name":"EVM Internal Transaction Tracer","description":"List the internal transactions of an EVM transaction: the nested contract calls and their value transfers and call types, via Blockscout. Reveals the value flow and call tree that a plain receipt hides. Rate-limited upstream degrades gracefully rather than erroring.","url":"https://payai.agentstools.dev/evm/internal-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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["tx"],"properties":{"tx":{"type":"string","description":"Transaction hash, 0x + 64 hex"},"network":{"enum":["base","ethereum","arbitrum","optimism","polygon"],"type":"string","description":"EVM network with a Blockscout host (default base)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1h--ATh9qzzY5iQIfUL2-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Lists the internal transactions (nested contract calls, value transfers, and call types) of a given EVM transaction hash via Blockscout","exampleAgentPrompt":"Can you show me all the internal transactions and nested contract calls for Ethereum transaction 0x4e3a3754410177e6937ef1f84bba68ea139e8d1f1f7f8af234b6fde7a9f6a86? I want to understand the full call tree and value transfers hidden inside it.","exampleUseCases":null,"resultDescription":"A structured list of internal transactions within the given EVM transaction, including each nested contract call, its type (call, delegatecall, etc.), the from/to addresses, value transferred, and the hierarchical call tree showing how execution flowed between contracts.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash not found on the specified network","Rate limiting from upstream Blockscout degrades gracefully rather than returning an error","Unsupported network name returns validation error","Transaction has no internal calls, returning an empty list"],"whenToPreferThis":"Use this endpoint when you need to understand what actually happened inside a complex EVM transaction beyond what the top-level receipt exposes — particularly for DeFi swaps, multi-hop calls, proxy contracts, or debugging unexpected ETH movements. Prefer this over a basic transaction lookup when the call tree and internal value flow are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:55:56.904Z","isFirstParty":false}