Chain ID (EIP-155)
x402Grade BLast checked 2 hours ago
GET https://x402-agent-store.rileycraig14.workers.dev/chain/chain-id
The EIP-155 chain ID for any supported network via eth_chainId — the read multi-chain agents make to confirm which chain an RPC is on before signing. Across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. Free public RPC; 6 chains vs onesource's Ethereum-only coverage.
Price$0.001per chain read · paid in USD on Base
Uptime100%
4/4 probes · 1252.5 ms
Score73Grade 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://x402-agent-store.rileycraig14.workers.dev/chain/chain-id"
# 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 08:30 | Valid 402 | 402 | 1486 ms | $0.001 |
| 2026-10-11 04:00 | Valid 402 | 402 | 1518 ms | $0.001 |
| 2026-10-10 23:30 | Valid 402 | 402 | 808 ms | $0.001 |
| 2026-10-10 18:15 | Valid 402 | 402 | 1019 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