L2 gas comparison
x402Grade CLast checked 45 min ago
POST https://agent402.tools/api/l2-gas-comparison
Current gas snapshot across Ethereum + supported L2s (Base, Polygon, Arbitrum, Optimism), sorted cheapest-first. Returns gas price in gwei, latest block number, chain id, and an isL2 flag per chain. Use to route a transaction to the cheapest viable L2 or to track L1→L2 gas spread.
Price$0.002per chain read · paid in USD on Solana
Uptime100%
4/4 probes · 500 ms
Score66Grade 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 POST "https://agent402.tools/api/l2-gas-comparison"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 10:01 | Valid 402 | 402 | 646 ms | $0.002 |
| 2026-10-11 05:46 | Valid 402 | 402 | 354 ms | $0.002 |
| 2026-10-11 01:15 | Valid 402 | 402 | 1184 ms | $0.002 |
| 2026-10-10 20:45 | Valid 402 | 402 | 246 ms | $0.002 |
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