On-chain Wallet Balance (native)
x402Grade BLast checked 16 min ago
POST https://chain.openverbs.com/v1/address
Native ETH / wallet balance for an address on any EVM chain: native balance (wei + ether), transaction count (nonce), and whether it's a contract or an externally-owned account (with deployed code size). Reads live on-chain data with automatic endpoint fallback.
Price$0.002per chain read · paid in USD on Base
Uptime100%
5/5 probes · 618 ms
Score74Grade B
Paid usage, 30 days2payers · 6 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://chain.openverbs.com/v1/address"
# 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 13:31 | Valid 402 | 402 | 565 ms | $0.002 |
| 2026-10-11 09:00 | Valid 402 | 402 | 470 ms | $0.002 |
| 2026-10-11 04:30 | Valid 402 | 402 | 618 ms | $0.002 |
| 2026-10-11 00:00 | Valid 402 | 402 | 655 ms | $0.002 |
| 2026-10-10 19:15 | Valid 402 | 402 | 737 ms | $0.002 |
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