{"uid":"cap_Ewm6HAcS5pz_oob5s6hcT","slug":"base-transaction-lookup-by-hash-e4f2413f","name":"Base Transaction Lookup by Hash","description":"Base transaction lookup by hash - sender, recipient, value, calldata, gas and block, live from Base mainnet via eth_getTransactionByHash.","url":"https://x402.agentindex.world/base/tx?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"hash":{"type":"string","title":"Hash"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.008","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":"$0.008/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.008","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_UtTsw_ygFC1P4qXJzeE72","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.008","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches full on-chain details of a Base mainnet transaction by its hash, including sender, recipient, value, calldata, gas, and block information via eth_getTransactionByHash.","exampleAgentPrompt":"Can you look up the Base mainnet transaction with hash 0xabc123... and tell me who sent it, who received it, how much ETH was transferred, and what block it landed in?","exampleUseCases":[{"title":"Verify a payment was received on Base","prompt":"I just sent a payment on Base — can you check transaction hash 0xd4f8c3e2... and confirm who the sender and recipient were and how much value was transferred?"},{"title":"Debug a failed DeFi transaction","prompt":"I have a Base transaction hash 0x7a91b4f0... — can you pull up the full details including the calldata and gas so I can figure out why it might have failed?"},{"title":"Audit on-chain activity for compliance","prompt":"Can you retrieve all the details for Base transaction 0x3c5e2a1d... — sender, recipient, value, block number, and raw calldata — so I can document it for our audit trail?"}],"resultDescription":"Returns the full transaction object from Base mainnet: from/to addresses, ETH value, raw calldata, gas limit and price, block number and hash, nonce, and transaction index. Data is live from the chain via eth_getTransactionByHash.","failureModes":["Transaction hash not found (unconfirmed or invalid hash returns null or 404)","Malformed hash input causes validation error","Base mainnet RPC temporarily unavailable returns 5xx","Transaction in mempool but not yet mined may return empty result","Incorrect hash format (wrong length or non-hex) rejected at input validation"],"whenToPreferThis":"Use this endpoint when you need authoritative, live on-chain details for a specific Base mainnet transaction and have its hash. Prefer this over block explorers when building automated workflows, verifying payments programmatically, or extracting calldata for further processing. It is pay-per-call so best suited for targeted lookups rather than bulk scanning (use base-erc20-transfers for range queries).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:40:54.614Z","isFirstParty":false,"canonicalSlug":"base-transaction-lookup-by-hash-e4f2413f"}