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api.x402node.dev

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 Accepts payment on Base or Solana — either network works.

Resource URL

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

Payment options

exactBase (8453)

$0.012 USDC

Max amount

Pay to
0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e
Timeout
300s
exactSolana

$0.012 USDC

Max amount

Pay to
9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up
Timeout
300s

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://api.x402node.dev/chain/gas-estimate
Type: http
Sources: cdp, payai, ultravioletadao, thirdweb

Developer