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)
415ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-08-08 03:49:34
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 |
|---|---|---|---|---|
| 2026-08-08 03:49:34 | degraded | 404 | 419ms | |
| 2026-08-07 23:13:57 | degraded | 404 | 415ms | |
| 2026-08-07 17:18:12 | degraded | 404 | 414ms | |
| 2026-08-07 15:12:20 | degraded | 404 | 416ms | |
| 2026-08-07 09:50:12 | degraded | 404 | 141ms | |
| 2026-08-07 03:14:06 | degraded | 404 | 413ms | |
| 2026-08-06 22:20:43 | degraded | 404 | 140ms | |
| 2026-08-06 18:41:56 | degraded | 404 | 417ms | |
| 2026-08-06 13:25:25 | degraded | 404 | 142ms | |
| 2026-08-06 07:40:48 | degraded | 404 | 416ms | |
| 2026-08-06 02:00:28 | degraded | 404 | 647ms | |
| 2026-08-05 20:40:52 | degraded | 404 | 418ms | |
| 2026-08-05 16:38:06 | degraded | 404 | 416ms | |
| 2026-08-05 12:17:57 | degraded | 404 | 415ms | |
| 2026-08-05 07:28:57 | degraded | 404 | 147ms |