{"uid":"cap_Xh5jOPFgt5dhC_jr7zm2p","slug":"blockchain-com-explorer-api-eth-block-transactions-9bc8dc9d","name":"Blockchain.com Explorer API – ETH Block Transactions","description":"Paid AI-agent access to Blockchain.com Explorer API","url":"https://api.blockchain.info/explorer-gateway-kt/x402/eth/block/transactions?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"hash":{"type":["string","null"],"description":"Block hash; provide this or blockId"},"sort":{"enum":["index","value","fees"],"type":"string","default":"index","description":"`index` orders by `transactionIndex`, `value` by `value` (Wei), `fees` by `fee`. Ties always fall back to transaction index, so paging can neither duplicate nor skip a transaction.\n"},"limit":{"type":"integer","default":15,"maximum":50,"minimum":1,"description":"Page size (capped at 50)"},"order":{"enum":["asc","desc"],"type":"string","default":"asc"},"offset":{"type":"integer","default":0,"minimum":0,"description":"Offset into the sorted transaction list. An offset beyond `total` returns an empty page, not an error."},"blockId":{"type":["integer","null"],"format":"int64","minimum":0,"description":"Block number (non-negative); provide this or hash"},"network":{"type":"string","example":"ETH"}}},"responseSchema":{"type":"json","format":"application/json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_faxUk4cxCFphJtaM_YAOk","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":"Retrieves a paginated, sorted list of transactions within a specific Ethereum block, identified by block hash or block number","exampleAgentPrompt":"Can you pull all the transactions from Ethereum block number 19500000 sorted by fee in descending order, showing me the first 25?","exampleUseCases":[{"title":"Audit high-fee transactions in a block","prompt":"Show me the top 50 transactions from Ethereum block 19800000 sorted by fees descending — I want to see which transactions paid the most gas in that block."},{"title":"Investigate specific block by hash","prompt":"Get me all transactions from the Ethereum block with hash 0xabcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890ab, sorted by value, first 15."},{"title":"Page through large block transaction history","prompt":"I need to go through all transactions in ETH block 18000000 in batches — start with offset 50, give me 50 transactions sorted by index ascending."}],"resultDescription":"Returns a paginated list of Ethereum transactions within the specified block, including each transaction's index, value in Wei, and fee. Also includes total transaction count so the caller knows how to page through the full set. An offset beyond the total returns an empty list rather than an error.","failureModes":["Neither hash nor blockId provided — request will fail or return error","Both hash and blockId provided simultaneously — ambiguous input","Block not found — non-existent block number or invalid hash returns empty or error","Offset beyond total transactions — returns empty page (not an error)","Limit exceeds maximum of 50 — capped or rejected","Invalid sort/order enum value — API returns validation error","Network parameter mismatch — requesting a non-ETH network on an ETH-specific endpoint","Payment not processed — x402 payment failure blocks access"],"whenToPreferThis":"Use this endpoint when you need structured, paginated access to all transactions within a specific Ethereum block, especially when you need to sort by value, fee, or index, or when building analytics pipelines that process blocks transaction-by-transaction. Prefer this over general blockchain RPCs when you want a clean REST interface with sorting and pagination built in, backed by Blockchain.com's indexed explorer data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:41:12.884Z","isFirstParty":false,"canonicalSlug":"blockchain-com-explorer-api-eth-block-transactions-9bc8dc9d"}