Agent Mercantile
x402Grade FLast checked 30 min ago
POST https://api.agentmercantile.com/v1/transaction-gas-preflight
Return bounded factual eth_estimateGas units and recent eth_feeHistory execution-fee evidence for one unsigned Ethereum or Base transaction. Not execution, signing, custody, trading, or a guaranteed final cost. Call when you need point-in-time gas units and recent execution-fee context before signing or submitting.
Price$0.005per chain read · paid in USD on Base
Uptime0%
0/3 probes
Score8Grade F
Paid usage, 30 days4payers · 4 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://api.agentmercantile.com/v1/transaction-gas-preflight"
# 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 | No valid 402 | 400 | 807 ms | not listed |
| 2026-10-11 05:30 | No valid 402 | 400 | 516 ms | not listed |
| 2026-10-11 01:00 | No valid 402 | 400 | 481 ms | not listed |
| 2026-10-10 20:30 | No valid 402 | 400 | 695 ms | not listed |
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