{"generated_at":"2026-08-01T12:45:09.998396+00:00","chain":{"name":"Base mainnet","network":"eip155:8453"},"latest_block":49399480,"eth_price_usd":1866.03,"network":{"block_time_s":2.0,"tps_est":72.2,"gas_limit":400000000,"gas_target":200000000},"fees":{"base_fee_gwei":0.005,"priority_fee_gwei":0.001,"next_base_fee_gwei":0.004475,"next_base_fee_change_pct":-10.51},"utilization":{"now_pct":8.0,"avg_pct":5.6,"trend":"rising","headroom_x":12.5,"series_pct":[5.1,6.2,4.9,5.0,4.4,4.9,4.5,5.6,5.5,5.9,6.9,8.0]},"settlement_cost":{"eth_transfer":{"gas":21000,"fee_gwei":126.0,"eth":1.26e-7,"usd":0.000235},"erc20_usdc_transfer":{"gas":55000,"fee_gwei":330.0,"eth":3.3e-7,"usd":0.000616},"x402_settle":{"gas":100000,"fee_gwei":600.0,"eth":6e-7,"usd":0.00112}},"assessment":{"congestion":"abundant","verdict":"SETTLE_NOW","rationale":"Blockspace is 8.0% full at 0.0050 gwei - settlement is at or near the floor with ~12.5x headroom. No congestion premium; a stablecoin transfer settles for a fraction of a cent.","window":"closing - utilization rising; expect base fee to step up"},"sources":{"rpc":"https://mainnet.base.org","price":"https://api.coinbase.com/v2/prices/ETH-USD/spot","method":"EIP-1559 (ethereum/EIPs eip-1559.md); measured, not modeled"}}