{"uid":"cap_Z2fO5XgDu7hlimJDbaEWT","slug":"lion-tx-receipt-decoder-base-ethereum-2f011c30","name":"LION TX Receipt Decoder (Base/Ethereum)","description":"Base tx receipt + decoded calldata (?tx=0x...)","url":"https://lionx402.com/api/x402/tx-receipt-decoded-json","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","description":"Base tx hash 0x..."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"service":"LION Verified Company","asset_id":"LION","resolved":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_EkVrmDCm3MV9_KEZ9PYOv","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":"Decodes and returns a human-readable JSON representation of a blockchain transaction receipt, including decoded calldata, for a given transaction hash on Base or Ethereum.","exampleAgentPrompt":"Can you decode the transaction receipt for tx hash 0xabc123... on Base (chain eip155:8453) and tell me what function was called, the parameters, and whether it succeeded?","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the raw receipt fields (to, from, value, status, gasUsed, blockNumber), the decoded calldata with function signature and parameters, an asset_id, and a confidence score. Lets an agent verify what a transaction did without needing an API key.","failureModes":["Invalid or malformed transaction hash returns error","Transaction not found on specified network returns empty or error response","Unsupported network/chain ID returns error","Payment not confirmed via x402 results in 402 response blocking the call","Calldata decoding may fail for unknown or unverified contract ABIs, lowering confidence score"],"whenToPreferThis":"Use this endpoint when an AI agent needs to programmatically decode and verify what a specific blockchain transaction did — especially on Base or Ethereum — without holding an API key. Ideal for post-payment verification workflows, auditing USDC transfers, or confirming smart contract interactions in agent pipelines that pay per call via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:53:16.300Z","isFirstParty":false}