{"uid":"cap_92O1drikhG5Mo3Yqxz3Kb","slug":"arbitrum-one-gas-conditions-0ac69bca","name":"Arbitrum One Gas Conditions","description":"Current Arbitrum One gas conditions: block number, base fee, gas price and priority fee in gwei, and the estimated cost in ETH and USD of a native transfer and an ERC-20 transfer (Chainlink ETH/USD).","url":"https://onchaincheck.dev/arbitrum/gas?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"note":"Excludes Arbitrum One's L1 data fee, which adds a small amount per transaction.","chain":"arbitrum","blockTime":"2026-10-22T15:50:24.000Z","nativeUsd":2392.97,"baseFeeGwei":"0.020256","blockNumber":517269449,"gasPriceGwei":"0.020256","nativeSymbol":"ETH","estimatedCost":{"erc20Transfer":{"usd":0.003151,"native":"0.00000131664"},"nativeTransfer":{"usd":0.001018,"native":"0.000000425376"}},"maxPriorityFeeGwei":"0"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cOLHWdw_EaGqIzAodB7Ie","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current Arbitrum One gas metrics including block number, base fee, gas price, priority fee in gwei, and estimated ETH and USD costs for native and ERC-20 transfers.","exampleAgentPrompt":"What are the current gas conditions on Arbitrum One — base fee, gas price, and how much would a native ETH transfer and an ERC-20 transfer cost right now in both ETH and USD?","exampleUseCases":[{"title":"Pre-transaction cost check","prompt":"Before I send this ERC-20 token on Arbitrum, can you tell me what the current gas price is and how much the transfer will cost me in USD right now?"},{"title":"DeFi bot gas gate","prompt":"Check the current Arbitrum One base fee and estimated ERC-20 transfer cost — only proceed with the swap if gas is under $0.01."},{"title":"Gas price dashboard update","prompt":"Pull the latest Arbitrum One gas conditions for me — block number, base fee, gas price in gwei, and the USD cost of a native ETH transfer — so I can update my dashboard."}],"resultDescription":"A JSON object containing: chain name ('arbitrum'), current block number, block timestamp, ETH/USD price (from Chainlink), base fee in gwei, gas price in gwei, max priority fee in gwei, and estimated costs for both a native ETH transfer and an ERC-20 transfer expressed in both ETH and USD. Note: excludes Arbitrum's L1 data fee surcharge.","failureModes":["RPC node unavailable or rate-limited — may return 5xx error","Chainlink ETH/USD feed stale or unavailable — USD estimates may be missing or outdated","Network congestion causing delayed block data","Payment not included or invalid — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need real-time gas cost estimates specifically for Arbitrum One, including both gwei-level fee data and USD-denominated transfer cost estimates using a live ETH price feed. Prefer this over generic gas trackers when you need ERC-20 vs native transfer cost breakdowns on Arbitrum specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T12:32:35.275Z","isFirstParty":false,"canonicalSlug":"arbitrum-one-gas-conditions-0ac69bca"}