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Base fee, priority-fee p25/p50/p90 over the last 20 blocks, suggested maxFeePerGas and maxPriorityFeePerGas for slow, normal and fast inclusion, an L1 data-fee upper bound, and estimated total cost in wei for an ETH transfer and an ERC-20 transfer, read live from Base RPC with the block number. $0.0015 USDC on Base. Failed read, no charge. No account, no API key. Estimates, not inclusion guarantees. By Ontario Protocol.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"blocks":20},"type":"http"},"output":{"example":{"assumptions":{"base_fee":"base fee of the next block","blocks_sampled":20,"erc20_transfer_gas":65000,"erc20_transfer_unsigned_tx_bytes":175,"estimate_formula":"gas * (base_fee + p50 tip) + L1 data-fee upper bound","eth_transfer_gas":21000,"eth_transfer_unsigned_tx_bytes":110,"max_fee_formula":"2 * base_fee + priority_fee","priority_fee_method":"median across the sampled blocks of each block's gas-weighted 25th, 50th and 90th percentile tip (eth_feeHistory)"},"base_fee_wei":"5000000","block":53049909,"estimate_includes_l1_fee":true,"estimated_total_wei":{"erc20_transfer":"390565949161","eth_transfer":"126389167165"},"l1_fee_upper_bound_wei":{"erc20_transfer":"565949161","eth_transfer":"389167165"},"network":"eip155:8453","note":"Estimates, not inclusion guarantees. 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Base fee, priority-fee p25/p50/p90 over the last 20 blocks, suggested maxFeePerGas and maxPriorityFeePerGas for slow, normal and fast inclusion, an L1 data-fee upper bound, and estimated total cost in wei for an ETH transfer and an ERC-20 transfer, read live from Base RPC with the block number. $0.0015 USDC on Base. Failed read, no charge. No account, no API key. Estimates, not inclusion guarantees. 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