api.x402node.dev

https://api.x402node.dev/chain/gas-estimate

Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve, swap, nft-mint) across EVM chains, combining live gas price per chain with the native token price. Lets an agent pick the cheapest chain to execute and budget a transaction. Live aggregated gas + price compute. gas cost estimate, transaction fee usd, cheapest chain to execute, swap gas

last updated: Jul 1, 2026 · type: http · x402 v1

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Jul 1, 2026