Pre-sign safety verdict: one call decodes a pending transaction and checks sanct...
https://x402-services-production.up.railway.app/api/safety/guardrailOverview
Pre-sign safety verdict: one call decodes a pending transaction and checks sanctioned counterparties, unlimited-approval/drainer patterns, contract-vs-EOA, and whether it would revert — returning SAFE / CAUTION / DANGER with reasons. Send { chain, to, data, from?, value? }. The must-have guard every signing agent needs.
Protocol
x402
Price
$0.0080
Payment Asset
USD Coin
Payment Network
Base
Category
crypto/transactions
Provider
x402-services-production
Source
bazaar
Indexed
2026-07-15 01:12:46
Health
Status
degraded
Latency (p50)
170ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-07-24 19:10:48
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Invalid
Asset Verified
—
Facilitator
—
Input Schema
{
"bodyFields": {
"chain": {
"description": "Chain, default base",
"required": false,
"type": "string"
},
"data": {
"description": "0x calldata (default 0x)",
"required": false,
"type": "string"
},
"from": {
"description": "0x sender (improves simulation)",
"required": false,
"type": "string"
},
"to": {
"description": "0x target address",
"required": true,
"type": "string"
},
"value": {
"description": "Native value in wei",
"required": false,
"type": "string"
}
},
"bodyType": "json",
"discoverable": true,
"method": "POST",
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-07-24 19:10:48 | degraded | 404 | 166ms | |
| 2026-07-24 17:46:11 | degraded | 404 | 169ms | |
| 2026-07-24 14:41:28 | degraded | 404 | 164ms | |
| 2026-07-24 10:03:04 | degraded | 404 | 183ms | |
| 2026-07-24 03:52:43 | degraded | 404 | 178ms | |
| 2026-07-24 02:03:55 | degraded | 404 | 197ms | |
| 2026-07-23 21:55:34 | degraded | 404 | 167ms | |
| 2026-07-23 14:53:40 | degraded | 404 | 183ms | |
| 2026-07-23 10:37:24 | degraded | 404 | 169ms | |
| 2026-07-23 06:34:54 | degraded | 404 | 209ms | |
| 2026-07-23 01:34:26 | degraded | 404 | 188ms | |
| 2026-07-23 00:36:05 | degraded | 404 | 166ms | |
| 2026-07-22 20:31:42 | degraded | 404 | 170ms | |
| 2026-07-22 16:34:02 | degraded | 404 | 172ms | |
| 2026-07-21 21:20:34 | degraded | 404 | 169ms |