base-contract
x402Grade BLast checked 3 hours ago
POST https://x402.agentindex.world/base/contract
Contract introspection on Base mainnet - is it a contract, bytecode size, best-effort owner(), and whether it's a proxy.
Price$0.005per chain read · paid in USD on Base
Uptime100%
5/5 probes · 715 ms
Score75Grade 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/contract"
# 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 12:46 | Valid 402 | 402 | 990 ms | $0.005 |
| 2026-10-11 08:16 | Valid 402 | 402 | 579 ms | $0.005 |
| 2026-10-11 04:00 | Valid 402 | 402 | 1197 ms | $0.005 |
| 2026-10-10 23:30 | Valid 402 | 402 | 715 ms | $0.005 |
| 2026-10-10 18:00 | Valid 402 | 402 | 492 ms | $0.005 |
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