Pocket Network
x402Grade BLast checked 9 min ago
POST https://agent.pocket.network/v1/chain-simulation
Pre-sign EVM transaction simulation: an eth_call with state overrides previewing the revert reason and asset deltas before you sign. POST /v1/chain with the call {to, data, ...} and get the outcome as one JSON object. Deterministic per state instant. Pay per request in USDC; no account, no API key.
Price$0.005per chain read · paid in USD on Base
Uptime100%
4/4 probes · 726.5 ms
Score77Grade B
Paid usage, 30 days5payers · 47 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://agent.pocket.network/v1/chain-simulation"
# 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 12:31 | Valid 402 | 402 | 672 ms | $0.005 |
| 2026-10-11 08:00 | Valid 402 | 402 | 818 ms | $0.005 |
| 2026-10-11 03:30 | Valid 402 | 402 | 678 ms | $0.005 |
| 2026-10-10 23:15 | Valid 402 | 402 | 765 ms | $0.005 |
| 2026-10-10 17:30 | Valid 402 | 402 | 688 ms | $0.005 |
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