{"uid":"cap_bYretZXi5HyMMAjPxN2L2","slug":"blockscout-arbitrum-latest-batch-number-27aa18d3","name":"Blockscout Arbitrum Latest Batch Number","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/main-page/arbitrum/batches/latest-number","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"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":0},"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_534eA_gZhews182KgQFqr","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":"Returns the latest batch number from Arbitrum's rollup on the specified chain via Blockscout's API","exampleAgentPrompt":"What's the latest Arbitrum batch number right now according to Blockscout? I want to track how far the rollup has progressed.","exampleUseCases":[{"title":"Monitor Arbitrum rollup batch progress","prompt":"Can you check Blockscout and tell me what the latest Arbitrum batch number is? I'm tracking how fast the rollup is processing."},{"title":"L2 batch sync status check","prompt":"I need to know the current highest batch number on Arbitrum from Blockscout — I want to see if my node is in sync with the latest batch."},{"title":"Automated batch milestone alert","prompt":"Set up a check for me: use Blockscout to get the latest Arbitrum batch number so I can compare it against yesterday's number and see how many new batches were submitted."}],"resultDescription":"Returns a single integer representing the latest batch number processed on Arbitrum as tracked by Blockscout's blockchain explorer. This is a raw numeric value (e.g. 0 or a large integer) indicating the highest batch index currently available on the Arbitrum rollup chain.","failureModes":["Invalid or unsupported chain_id returns an error or empty response","Network timeout if Blockscout API is unavailable","Rate limiting or payment failure (x402 payment required) returns 402 status","Chain ID not mapped to Arbitrum returns incorrect or no data","Batch data temporarily unavailable during chain reorganization"],"whenToPreferThis":"Use this endpoint when you need a quick, single numeric lookup of the latest Arbitrum batch number without requiring full block explorer UI access. Prefer this over general blockchain RPC calls when you specifically need Blockscout's indexed batch data for Arbitrum L2, especially if you are already using Blockscout's API ecosystem for other chain data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:46:39.904Z","isFirstParty":false}