Simulate an EVM transaction via static eth_call before sending - predicts return...
https://api.x402node.dev/chain/tx-simulateOverview
Simulate an EVM transaction via static eth_call before sending - predicts return data, revert reason and estimated gas without broadcasting, on Ethereum/Base/Arbitrum/Optimism. tx simulate, transaction simulation, dry run transaction, will tx revert, estimate gas, preflight tx
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
Base
Category
crypto/transactions
Provider
x402node
Source
bazaar
Indexed
2026-06-12 07:15:29
Health
Status
degraded
Latency (p50)
432ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-09-24 21:15:33
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Invalid
Asset Verified
—
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "POST",
"queryParams": {
"chain": "ethereum, base (default), arbitrum, optimism",
"data": "Hex calldata, default 0x",
"from": "Sender address (optional)",
"to": "Target contract address (required)",
"value": "Wei value as decimal string, default 0"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-24 21:15:33 | degraded | 404 | 435ms | |
| 2026-09-24 18:49:43 | degraded | 404 | 432ms | |
| 2026-09-24 04:41:51 | degraded | 404 | 142ms | |
| 2026-09-23 21:09:26 | degraded | 404 | 451ms | |
| 2026-09-23 14:59:25 | degraded | 404 | 430ms | |
| 2026-09-23 09:27:32 | degraded | 404 | 430ms | |
| 2026-09-23 01:26:11 | degraded | 404 | 429ms | |
| 2026-09-22 13:09:43 | degraded | 404 | 426ms | |
| 2026-09-22 07:42:40 | degraded | 404 | 2276ms | |
| 2026-09-22 00:24:33 | degraded | 404 | 1839ms |