For agents: JSON · MCP

Gas price

x402Grade CLast checked 4 hours ago

GET https://agent402.tools/api/gas-estimate

Current gas price on Base, Polygon, Arbitrum, Optimism, Ethereum, Monad, Celo, Avalanche, Sei, or Robinhood Chain - for an agent budgeting a transaction: returns network, gasPriceGwei and gasPriceWei (decimal strings) from the chain's own eth_gasPrice, the node's suggested all-in price per gas unit. Multiply by the gas a transaction uses (21000 for a plain transfer) for its fee. Read-only.

Price$0.001per chain read · paid in USD on Solana

Uptime100%

4/4 probes · 86 ms

Score63Grade C

Paid usage, 30 days0payers · 0 calls

Warnings

Wallet mismatch The payout wallet in its live payment answer differs from its catalogue listing on the same network.

How to buy

This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.

curl -i -X GET "https://agent402.tools/api/gas-estimate"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the response

Recent checks

Checked (UTC)	Result	Status	Time	Live price
2026-10-11 08:30	Valid 402	402	80 ms	$0.001
2026-10-11 04:00	Valid 402	402	92 ms	$0.001
2026-10-10 23:30	Valid 402	402	329 ms	$0.001
2026-10-10 18:15	Valid 402	402	51 ms	$0.001

Receipts

No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.

What a check proves