{"uid":"cap_o80V6BBv043Y1y-w7XIX7","slug":"blockscout-arbitrum-batch-blocks-lookup-d479fc53","name":"Blockscout Arbitrum Batch Blocks Lookup","description":"Explore crypto activities with Blockscout's multichain search. Find transactions, addresses, tokens, and dapps across top blockchain networks — your go-to explorer for cross-chain blockchain data","url":"https://api.blockscout.com/%7Bchain_id%7D/api/v2/blocks/arbitrum-batch/%7Bbatch_number_param%7D","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"},"pathParams":{"type":"object","properties":{"chain_id":{"type":"string"},"batch_number_param":{"type":"integer"}}},"queryParams":{"type":"object","properties":{"items_count":{"type":"integer"},"block_number":{"type":"integer"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"items":[{"hash":"string","size":0,"type":"string","miner":{},"nonce":"string","height":0,"rewards":[{"type":"string","reward":"string"}],"arbitrum":{"status":"string","send_root":"string","send_count":0,"batch_number":0,"l1_block_number":0,"delayed_messages":0,"batch_data_container":"string","commitment_transaction":{"hash":"string","status":"string","timestamp":"string"},"confirmation_transaction":{"hash":"string","status":"string","timestamp":"string"}},"gas_used":"string","gas_limit":"string","timestamp":"string","burnt_fees":"string","difficulty":"string","parent_hash":"string","priority_fee":"string","uncles_hashes":[{"hash":"string"}],"base_fee_per_gas":"string","total_difficulty":"string","transaction_fees":"string","is_pending_update":true,"withdrawals_count":0,"transactions_count":0,"gas_used_percentage":0,"burnt_fees_percentage":0,"gas_target_percentage":0,"internal_transactions_count":0}],"next_page_params":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_i6jic2L_qSJqyxbeQFG99","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves the list of L2 blocks included in a specific Arbitrum batch on a given chain via Blockscout's multichain explorer API","exampleAgentPrompt":"Can you pull up all the L2 blocks included in Arbitrum batch number 12345 on the Arbitrum One chain using Blockscout?","exampleUseCases":[{"title":"Auditing Arbitrum batch block inclusion","prompt":"I need to verify which L2 blocks were included in Arbitrum batch 98765 on Arbitrum One — can you list them with their hashes, heights, and timestamps?"},{"title":"Monitoring batch confirmation status","prompt":"Check the commitment and confirmation transaction status for Arbitrum batch number 50000 on chain arbitrum — I want to know if it's been finalized on L1."},{"title":"Analyzing gas usage across batch blocks","prompt":"Fetch the blocks in Arbitrum batch 30000 on the Arbitrum One chain and give me a breakdown of gas used, burnt fees, and transaction counts for each block."}],"resultDescription":"A paginated list of L2 block objects included in the specified Arbitrum batch, each containing block hash, height, size, miner, timestamp, gas used/limit/percentage, burnt fees, transaction count, internal transaction count, and detailed Arbitrum-specific metadata (batch number, L1 block number, send root, send count, delayed messages, batch data container, commitment transaction hash/status/timestamp, confirmation transaction hash/status/timestamp). Also includes next_page_params for pagination.","failureModes":["Invalid or unknown chain_id returns an error or empty response","Non-existent batch_number_param returns empty items array","Malformed batch_number_param (non-integer) causes a 400 or validation error","Rate limiting or payment failure returns a 402 or 429 response","Chain not supported by Blockscout returns a 404 or empty result"],"whenToPreferThis":"Use this endpoint when you specifically need to enumerate all L2 blocks within a single Arbitrum rollup batch, particularly for auditing batch composition, verifying L1 finalization status, or analyzing gas metrics at the batch level. Prefer it over general block search endpoints when you have a known Arbitrum batch number and need the full list of included blocks with Arbitrum-specific rollup metadata.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-12T06:47:07.646Z","isFirstParty":false}