Explain a transaction
x402Grade BLast checked 3 hours ago
POST https://chain.openverbs.com/v1/explain
Decode a transaction into plain language: native ETH transfer, contract call (with decoded method name for common ERC-20/DEX functions like transfer, approve, swap, mint, multicall) or contract creation; ERC-20 and NFT (ERC-721) transfers it triggered (token, from, to, amount/tokenId from logs); gas spent in ETH; success/failed/pending; and a one-line summary. Reads live on-chain data with automatic endpoint fallback.
Price$0.006per chain read · paid in USD on Base
Uptime100%
4/4 probes · 672 ms
Score74Grade B
Paid usage, 30 days2payers · 5 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/explain"
# 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 | 495 ms | $0.006 |
| 2026-10-11 04:30 | Valid 402 | 402 | 659 ms | $0.006 |
| 2026-10-11 00:00 | Valid 402 | 402 | 685 ms | $0.006 |
| 2026-10-10 19:15 | Valid 402 | 402 | 751 ms | $0.006 |
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