{"uid":"cap_iph3xMko9qtKT_fqqHmL0","slug":"ethereum-gas-conditions-snapshot-997358ef","name":"Ethereum Gas Conditions Snapshot","description":"Current Ethereum 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/eth/gas?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"chain":"eth","blockTime":"2026-10-22T15:49:59.000Z","nativeUsd":2398.41,"baseFeeGwei":"0.316485501","blockNumber":26249161,"gasPriceGwei":"0.316485501","nativeSymbol":"ETH","estimatedCost":{"erc20Transfer":{"usd":0.04934,"native":"0.000020571557565"},"nativeTransfer":{"usd":0.01594,"native":"0.000006646195521"}},"maxPriorityFeeGwei":"0.000003839"}},"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_uiUABqspeuuAmPLZdIgU-","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 Ethereum 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 Ethereum gas conditions — give me the base fee, gas price, and priority fee in gwei, plus how much a native ETH transfer and an ERC-20 transfer would cost right now in both ETH and USD.","exampleUseCases":[{"title":"Timing a low-fee Ethereum transaction","prompt":"Check the current Ethereum gas fees and tell me how much it would cost in USD to send ETH right now — I want to know if it's a good time to transact or if I should wait."},{"title":"DeFi bot pre-trade cost estimation","prompt":"Before I execute this ERC-20 swap on Ethereum, pull the current gas conditions and estimate what the transfer fee will cost me in USD so I can decide if the trade is still profitable."},{"title":"Gas dashboard for a wallet app","prompt":"Give me a live snapshot of Ethereum gas right now: current block number, base fee, gas price, priority fee in gwei, and the estimated USD cost for both a native transfer and an ERC-20 transfer."}],"resultDescription":"A JSON object containing the chain identifier ('eth'), current block number, block timestamp, ETH/USD price, base fee in gwei, gas price in gwei, max priority fee in gwei, and estimated costs for a native ETH transfer and an ERC-20 transfer expressed in both native ETH and USD.","failureModes":["Ethereum node unavailable or lagging — may return stale block data","Chainlink ETH/USD oracle feed delay — USD estimates may be slightly outdated","Rate limiting or payment failure — 402 response if x402 payment not included or rejected","Network congestion causing response latency spikes"],"whenToPreferThis":"Choose this endpoint when you need real-time Ethereum gas metrics in a single call without running your own node — especially useful for pre-transaction cost estimation, gas timing logic, or displaying live fee data in a UI. Prefer this over raw RPC calls when you also need USD cost estimates using a reliable oracle price feed without additional integration work.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:42:19.618Z","isFirstParty":false,"canonicalSlug":"ethereum-gas-conditions-snapshot-997358ef"}