base-estimate-gas
x402Grade BLast checked 3 hours ago
POST https://x402.agentindex.world/base/estimate-gas
Gas estimate for a Base mainnet swap or any other call (to/from/value/data) via eth_estimateGas, without broadcasting a transaction.
Price$0.004per chain read · paid in USD on Base
Uptime100%
4/4 probes · 484.5 ms
Score76Grade B
Paid usage, 30 days3payers · 3 calls
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://x402.agentindex.world/base/estimate-gas"
# 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 | 378 ms | $0.004 |
| 2026-10-11 05:45 | Valid 402 | 402 | 518 ms | $0.004 |
| 2026-10-11 01:15 | Valid 402 | 402 | 496 ms | $0.004 |
| 2026-10-10 20:45 | Valid 402 | 402 | 473 ms | $0.004 |
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