x402 Chain Tools
x402Grade BLast checked 43 min ago
POST https://blockchain-api.x402-chain-tools.workers.dev/chain/block
Check the latest or current Base Mainnet block number. Use this to get the live Base block height.
Price$0.001per chain read · paid in USD on Base
Uptime100%
5/5 probes · 1073 ms
Score74Grade 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://blockchain-api.x402-chain-tools.workers.dev/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 12:46 | Valid 402 | 402 | 1201 ms | $0.001 |
| 2026-10-11 08:15 | Valid 402 | 402 | 1469 ms | $0.001 |
| 2026-10-11 03:45 | Valid 402 | 402 | 1073 ms | $0.001 |
| 2026-10-10 23:15 | Valid 402 | 402 | 788 ms | $0.001 |
| 2026-10-10 17:45 | Valid 402 | 402 | 1057 ms | $0.001 |
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