{"uid":"cap_vKPGiWOXC6YxhgyUo-Kj-","slug":"baselens-transaction-summary-95cea974","name":"BaseLens Transaction Summary","description":"Base address, ERC-20 balance, token price, recent transfers, Basename/ENS resolve, contract verification, tx summaries and gas over x402 and MCP. $0.001–$0.004 USDC per call, no API key.","url":"https://baselens-api.vercel.app/v1/tx?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":["hash"],"properties":{"hash":{"type":"string","description":"0x-prefixed transaction hash on Base"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"feeEth":"0.0000012","status":"success","timestamp":"2026-10-30T04:33:00.000Z","blockNumber":37000000,"erc20Transfers":[{"to":"0x4bF3…e4aa","amount":"1","symbol":"USDC"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Iocw8WIgYYwwXciEODef3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a decoded summary of a Base blockchain transaction by hash, including status, gas fees, ERC-20 transfers, block number, and timestamp","exampleAgentPrompt":"Can you look up Base transaction 0x4bF3...e4aa and tell me whether it succeeded, how much gas it used in ETH, and which ERC-20 tokens were transferred?","exampleUseCases":[{"title":"Verify a USDC payment on Base","prompt":"I just sent USDC to a client on Base — the tx hash is 0xabc123...def456. Can you confirm it succeeded and tell me how much USDC was actually transferred and when?"},{"title":"Debug a failed DeFi transaction","prompt":"My swap transaction on Base failed — hash is 0x789fed...012abc. Can you check its status, tell me which block it landed in, and how much gas I burned?"},{"title":"Audit ERC-20 transfers in a transaction","prompt":"For Base transaction 0xdeadbeef...cafe0001, list all the ERC-20 token transfers that happened — who received what tokens and how much?"}],"resultDescription":"A JSON object containing the transaction status (success/failure), block number, ISO timestamp, fee paid in ETH, and an array of ERC-20 transfers each with recipient address, token symbol, and amount transferred.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash from a non-Base chain (e.g. Ethereum mainnet) may not resolve","Very recent transactions may not yet be indexed","Network or RPC downtime causes lookup failure","Payment (x402) fails if wallet has insufficient USDC"],"whenToPreferThis":"Use this endpoint when you need a fast, human-readable summary of a specific Base chain transaction — including decoded ERC-20 transfers and gas costs — without needing a full blockchain node or a free-tier API key. Ideal for AI agents that need to verify payments, audit token movements, or explain transactions to users, especially when integrated with x402 micropayment flows on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:39:20.906Z","isFirstParty":false,"canonicalSlug":"baselens-transaction-summary-95cea974"}