{"uid":"cap_N_b7bEzxLDZi9XqIv2Ycv","slug":"base-network-status-block-eip-1559-fee-history-b21b0801","name":"Base Network Status (Block + EIP-1559 Fee History)","description":"Read the latest Base mainnet block and a bounded EIP-1559 fee history in one RPC batch, including gas utilization and priority-fee percentile samples.","url":"https://apiacre.com/v1/crypto/base-network-status","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"fee_history_blocks":{"type":"integer"},"reward_percentiles":{"type":"array","items":{"type":"number"}}}},"responseSchema":{"type":"json","example":{"data":{"fees":{"history":{"blockCount":5,"headAligned":true,"newestBlock":34600000,"oldestBlock":34599996,"rewardPercentiles":[10,50,90]},"gasPriceWei":"1000000"},"source":"https://docs.base.org/base-chain/quickstart/connecting-to-base","network":{"name":"Base Mainnet","caip2":"eip155:8453","chainId":8453},"readOnly":true,"warnings":[],"disclaimer":"A point-in-time public Base RPC observation, not a fee guarantee or transacti...","observedAt":"2026-08-11T13:00:02+00:00","latestBlock":{"hash":"0x4444444444444444444444444444444444444444444444444444444444444444","number":34600000,"timestamp":"2026-08-11T13:00:00+00:00","ageSeconds":2,"parentHash":"0x3333333333333333333333333333333333333333333333333333333333333333"},"networkRequestsMade":1,"transactionBroadcast":false},"meta":{"cached":false,"sources":[],"warnings":[],"duration_ms":42,"next_actions":[]},"service":"crypto.base-network-status","version":"1","request_id":"018f1f54-7f38-7ba2-8dc3-5f90272d9f1a"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vMz-QHb_wP-T-eje4hTCR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches the latest Base mainnet block data and a bounded EIP-1559 fee history in a single RPC batch, including gas utilization and priority-fee percentile samples.","exampleAgentPrompt":"What are the current gas conditions on Base mainnet right now — give me the latest block, base fee, gas utilization, and priority fee percentiles so I can decide how to price my transaction.","exampleUseCases":[{"title":"Pre-transaction gas fee check","prompt":"Before I submit this transaction on Base, can you check the current network conditions — specifically the latest block, the base fee, and what priority fees look like across the 25th, 50th, and 75th percentiles?"},{"title":"Base network congestion monitoring","prompt":"I want to monitor Base mainnet gas utilization over the last 10 blocks — pull the EIP-1559 fee history and tell me if the network is congested or has capacity right now."},{"title":"DeFi bot fee calibration","prompt":"My trading bot needs to know the current Base mainnet baseFee and recent priority fee distribution so it can set an appropriate maxFeePerGas — can you grab the latest block and fee history?"}],"resultDescription":"Returns the latest Base mainnet block details (block number, timestamp, gas used, gas limit, base fee per gas) along with a bounded EIP-1559 fee history array containing base fees and priority-fee percentile samples (e.g. 10th, 50th, 90th percentiles) across recent blocks, plus computed gas utilization ratios.","failureModes":["Base RPC node temporarily unavailable — returns 5xx or timeout","Invalid percentile values outside 0-100 range — returns 400 validation error","Block history range too large — returns 400 with bounds error","Network reorg or stale block during high congestion — may return slightly outdated block data"],"whenToPreferThis":"Use this endpoint when you need a combined snapshot of current Base mainnet block state AND fee history in a single call, rather than making two separate RPC calls. Ideal for agents that need to calibrate gas pricing, monitor network congestion, or make real-time transaction submission decisions on Base L2 specifically. Prefer this over raw Ethereum RPC if you want a structured, pre-parsed response with percentile fee samples already computed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:56:26.932Z","isFirstParty":false}