EVM Block
x402Grade BLast checked 3 hours ago
POST https://keyronne.com/api/chain-block
Fetch a block header by number, hash, or "latest" on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain: timestamp, miner, gas used/limit, base fee, transaction count, size. Public JSON-RPC, no API keys. POST a JSON body like: {"chain":"base","block":"latest"}
Price$0.003per chain read · paid in USD on Base
Uptime100%
5/5 probes · 923 ms
Score76Grade B
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://keyronne.com/api/chain-block"
# 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 12:31 | Valid 402 | 402 | 985 ms | $0.003 |
| 2026-10-11 08:00 | Valid 402 | 402 | 833 ms | $0.003 |
| 2026-10-11 03:30 | Valid 402 | 402 | 923 ms | $0.003 |
| 2026-10-10 23:15 | Valid 402 | 402 | 1806 ms | $0.003 |
| 2026-10-10 17:30 | Valid 402 | 402 | 855 ms | $0.003 |
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