On-chain Transaction Lookup
x402Grade BLast checked 4 hours ago
POST https://chain.openverbs.com/v1/tx
Live status and details of a transaction by hash: success/failed/pending, from/to, value (wei + ether), nonce, block number, gas used, effective gas price and any created contract address. Returns `found:false` for unknown hashes. Reads live on-chain data with automatic endpoint fallback.
Price$0.003per chain read · paid in USD on Base
Uptime100%
4/4 probes · 429.5 ms
Score75Grade 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/tx"
# 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 09:00 | Valid 402 | 402 | 348 ms | $0.003 |
| 2026-10-11 04:30 | Valid 402 | 402 | 506 ms | $0.003 |
| 2026-10-11 00:00 | Valid 402 | 402 | 353 ms | $0.003 |
| 2026-10-10 19:15 | Valid 402 | 402 | 687 ms | $0.003 |
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