Native Balance
x402Grade BLast checked 4 hours ago
POST https://x402-echo-service.onrender.com/chain/eth-balance
Read the native ETH balance of an address on Base. POST {"address":"0x..."} and receive the balance in wei and in ether. Live chain state read directly from a node, with no indexer lag and no API key.
Price$0.001per chain read · paid in USD on Base
Uptime100%
3/3 probes · 262 ms
Score73Grade B
Paid usage, 30 days1payers · 1 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://x402-echo-service.onrender.com/chain/eth-balance"
# 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 06:30 | Valid 402 | 402 | 230 ms | $0.001 |
| 2026-10-11 02:00 | Valid 402 | 402 | 276 ms | $0.001 |
| 2026-10-10 21:45 | Valid 402 | 402 | 262 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