Phoenix Zero L2 Health Oracle
x402Grade BLast checked 4 hours ago
GET https://rtt.phoenix-ai.work/api/v1/health
Real-time L2 sequencer health across 12 chains (Base, Arbitrum, Optimism, zkSync, Blast, Linea, Mantle, Mode, Scroll, Taiko, Polygon zkEVM, Casper). Returns kernel-level P99/P95 RTT from eBPF probes, revert ratios (Base and Arbitrum via eth_getBlockReceipts), gas pressure, and execution recommendation.
Price$0.01per chain read · paid in USD on Base
Uptime100%
4/4 probes · 486.5 ms
Score76Grade 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 GET "https://rtt.phoenix-ai.work/api/v1/health"
# 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 08:45 | Valid 402 | 402 | 273 ms | $0.01 |
| 2026-10-11 04:15 | Valid 402 | 402 | 411 ms | $0.01 |
| 2026-10-10 23:46 | Valid 402 | 402 | 562 ms | $0.01 |
| 2026-10-10 18:45 | Valid 402 | 402 | 868 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