Gas price API / EIP-1559 fee estimator / Base + Ethereum + Optimism + Arbitrum gas tracker / pre-tx cost estimator. Reads the chain's latest block, derives base fee, suggests priority fees for safe-low/standard/fast tiers, computes total maxFeePerGas, and converts cost to USD for common tx types.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.02 USDC | 0x6c07...5621 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.02 tokens | FJqAJ4...UXLH |