canary-production-f6b6.up.railway.app
x402Grade CLast checked 2 hours ago
GET https://canary-production-f6b6.up.railway.app/v1/base/head
Current Base mainnet block height and base fee per gas in wei, read from the chain at request time
Price$0.01per chain read · paid in USD on Base
Uptime100%
4/4 probes · 1227 ms
Score55Grade C
Paid usage, 30 days1payers · 1 calls
Warnings
Wallet mismatch The payout wallet in its live payment answer differs from its catalogue listing on the same network.
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 GET "https://canary-production-f6b6.up.railway.app/v1/base/head"
# 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 11:46 | Valid 402 | 402 | 1208 ms | $0.01 |
| 2026-10-11 07:15 | Valid 402 | 402 | 624 ms | $0.01 |
| 2026-10-11 02:46 | Valid 402 | 402 | 2165 ms | $0.01 |
| 2026-10-10 22:16 | Valid 402 | 402 | 1246 ms | $0.01 |
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