{"uid":"cap_bJWXMx8V20jawSBwHlX78","slug":"httpay-xyz-1b813ddb","name":"Base Network Fee Tracker","description":"Track Base network fee trends over time — avg gas per block, cheapest hours, L1 vs L2 comparison. Useful for agents timing their transactions.","url":"https://httpay.xyz/api/fee-tracker","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"description":"Track Base network fee trends over time — avg gas per block, cheapest hours, L1 vs L2 comparison. Useful for agents timing their transactions."}},"example":{"request":{"network":"base","timeRange":"24h"},"response":{"meta":{"x402":true,"poweredBy":"Alfred Zhang 🫡"},"chain":"Base (EIP-155:8453)","summary":{"baseVsEthereum":"Base is ~NaNx cheaper than Ethereum mainnet right now","dailyLowEstimate":"NaN gwei (04:00-07:00 UTC)","dailyHighEstimate":"NaN gwei (13:00-17:00 UTC)"},"timestamp":"2026-06-12T03:58:24.478Z","usefulFor":["MEV agents timing entries","batch tx scheduling","gas cost estimation"],"currentGas":{"ethPriceUSD":3200,"activityLevel":"LOW","baseGasPriceGwei":"NaN","ethereumGasPriceGwei":"NaN"},"dataSources":["BaseScan API (live)","Etherscan API (live)","httpay.xyz fee model"],"currentBlock":{"number":0,"gasUsed":0,"gasLimit":30000000,"baseFeeGwei":"NaN","utilizationPct":"0.0%"},"hourlyFeeModel":[{"hour":"00:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"01:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"02:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"03:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"04:00 UTC","activityLevel":"VERY_LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"05:00 UTC","activityLevel":"VERY_LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"06:00 UTC","activityLevel":"VERY_LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"07:00 UTC","activityLevel":"VERY_LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"08:00 UTC","activityLevel":"MEDIUM","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"09:00 UTC","activityLevel":"MEDIUM","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"10:00 UTC","activityLevel":"MEDIUM","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"11:00 UTC","activityLevel":"MEDIUM","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"12:00 UTC","activityLevel":"MEDIUM","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"13:00 UTC","activityLevel":"HIGH","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"14:00 UTC","activityLevel":"HIGH","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"15:00 UTC","activityLevel":"HIGH","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"16:00 UTC","activityLevel":"HIGH","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"17:00 UTC","activityLevel":"HIGH","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"18:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"19:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"20:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"21:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"22:00 UTC","activityLevel":"LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"},{"hour":"23:00 UTC","activityLevel":"VERY_LOW","estimatedGasGwei":"NaN","ethTransferCostUSD":"$NaN"}],"recommendation":"✅ NOW is a good time to transact — fees are near daily lows","cheapestHoursUTC":["00:00 UTC","01:00 UTC","02:00 UTC"],"l1VsL2Comparison":[{"operation":"ETH Transfer","baseCostUSD":"$NaN","savingsVsL1":"∞x cheaper on Base","ethereumCostUSD":"$NaN"},{"operation":"ERC-20 Transfer","baseCostUSD":"$NaN","savingsVsL1":"∞x cheaper on Base","ethereumCostUSD":"$NaN"},{"operation":"DEX Swap","baseCostUSD":"$NaN","savingsVsL1":"∞x cheaper on Base","ethereumCostUSD":"$NaN"},{"operation":"NFT Mint","baseCostUSD":"$NaN","savingsVsL1":"∞x cheaper on Base","ethereumCostUSD":"$NaN"},{"operation":"Contract Deploy (simple)","baseCostUSD":"$NaN","savingsVsL1":"∞x cheaper on Base","ethereumCostUSD":"$NaN"}]}},"exampleRequest":{"network":"base","timeRange":"24h"},"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_BgHZJ3fi67cuY4qUDZuF6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Tracks Base network gas fee trends over time, including average gas per block, cheapest hours, and L1 vs L2 fee comparisons to help time transactions optimally.","exampleAgentPrompt":"What are the gas fee trends on Base right now — show me the average gas per block, the cheapest hours to transact, and how L1 compares to L2 fees so I can time my next transaction well.","exampleUseCases":null,"resultDescription":"Returns Base network gas fee trend data including average gas per block over time, identified cheapest hours for transactions, and a comparison of L1 versus L2 fee costs to help agents choose optimal transaction timing.","failureModes":["Network data unavailable — upstream Base RPC node unreachable","Payment not processed — 402 response if USDC payment fails","Rate limit exceeded — too many requests in short period","Malformed request body — missing required parameters returns 400","Stale data — fee trends may lag real-time conditions by a few blocks"],"whenToPreferThis":"Use this endpoint when an AI agent needs to optimize transaction timing on the Base L2 network by analyzing historical and recent gas fee patterns, particularly when cost-sensitive transactions should be scheduled during low-fee windows. Prefer this over a real-time gas price snapshot when trend analysis and cheapest-hour identification are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:55:12.469Z","isFirstParty":false}