{"success":true,"data":{"chains":[{"chain":"base","chain_id":8453,"gas_price_gwei":0.006,"base_fee_gwei":0.005,"priority_fee_gwei":{"low":0.000207,"medium":0.00105,"high":0.006739},"native_token":"ETH","native_usd":2550.075,"est_cost_usd":{"eth_transfer":0.000321,"erc20_transfer":0.000995,"swap":0.002754}},{"chain":"ethereum","chain_id":1,"gas_price_gwei":1.055547,"base_fee_gwei":0.958293,"priority_fee_gwei":{"low":0.001934,"medium":0.954882,"high":2.185901},"native_token":"ETH","native_usd":2550.075,"est_cost_usd":{"eth_transfer":0.056526,"erc20_transfer":0.174962,"swap":0.48451}},{"chain":"arbitrum","chain_id":42161,"gas_price_gwei":0.020052,"base_fee_gwei":0.020052,"priority_fee_gwei":{"low":0,"medium":0,"high":0},"native_token":"ETH","native_usd":2550.075,"est_cost_usd":{"eth_transfer":0.001074,"erc20_transfer":0.003324,"swap":0.009204}}],"note":"L2 costs exclude the L1 data fee, which can dominate on rollups.","checked_at":"2026-10-07T17:58:53.720Z"},"trial":{"free":true,"used_example_input":true,"input_used":{"chains":["base","ethereum","arbitrum"]},"remaining_today":2,"resets_at":"2026-10-08T00:00:00.000Z","note":"Real output for the example input. The paid endpoint returns the same format for your own input."},"paid_endpoint":"https://agentsvc.io/api/v1/proxy/gas-price","price_usdc":0.005,"payment":"x402, USDC on Base or Solana mainnet, no account needed","docs":"https://agentsvc.io/docs"}