{"uid":"cap_z1_2pnol9v_YJNadihIOE","slug":"base-gas-conditions-snapshot-29ab9da6","name":"Base Gas Conditions Snapshot","description":"Current Base 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/base/gas?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"note":"Excludes Base's L1 data fee, which adds a small amount per transaction.","chain":"base","blockTime":"2026-10-22T15:49:57.000Z","nativeUsd":2388.88,"baseFeeGwei":"0.005","blockNumber":52947425,"gasPriceGwei":"0.006","nativeSymbol":"ETH","estimatedCost":{"erc20Transfer":{"usd":0.0009317,"native":"0.00000039"},"nativeTransfer":{"usd":0.000301,"native":"0.000000126"}},"maxPriorityFeeGwei":"0.001"}},"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_78khp6KuNDIbKILOPB69l","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 real-time Base network 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 Base — give me the base fee, gas price, priority fee in gwei, and how much a native ETH transfer and an ERC-20 transfer would cost right now in both ETH and USD.","exampleUseCases":[{"title":"Pre-transaction gas check","prompt":"Before I send this token transfer on Base, can you tell me what gas is looking like right now — specifically the base fee, gas price, and how much an ERC-20 transfer would cost me in dollars?"},{"title":"Gas cost alerting for automation","prompt":"Check the current Base gas price and estimated ERC-20 transfer cost — I want to know if it's below $0.001 so I can decide whether to trigger my batch of transactions now."},{"title":"Real-time gas dashboard update","prompt":"Pull the latest Base network gas snapshot for me — block number, base fee, gas price, priority fee in gwei, and the USD cost of a native transfer and a token transfer — I need to refresh my dashboard."}],"resultDescription":"A JSON object containing: the chain name ('base'), 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 (in both native ETH and USD) for a native ETH transfer and an ERC-20 token transfer. Also includes a note that Base's L1 data fee is excluded.","failureModes":["Network or RPC node unavailability may return a 5xx error","Chainlink ETH/USD price feed may be stale during extreme volatility, affecting USD estimates","Rate limiting or payment failure may return a 402 or 429 response","Temporary block indexing lag may return a slightly outdated block number"],"whenToPreferThis":"Choose this endpoint when you need a fast, pre-packaged snapshot of Base network gas conditions including USD cost estimates derived from live ETH price data — particularly useful for agents that need to decide whether to submit a transaction, display gas costs to users, or monitor Base gas trends without building their own RPC and price-feed integration.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T07:04:31.216Z","isFirstParty":false,"canonicalSlug":"base-gas-conditions-snapshot-29ab9da6"}