Vextorium · Signature reviewer (EIP-712)
https://api.vextorium.com/v1/eip712-reviewOverview
Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and returns the exact hash to compare with your wallet.
Protocol
x402 (POST)
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/security
Provider
vextorium
Source
bazaar
Indexed
2026-10-03 21:23:43
Health
Status
healthy
Latency (p50)
177ms
Uptime (30d)
100.0%
Reliability Score
97/100
Last Checked
2026-10-07 05:01:08
Last Healthy
2026-10-07 05:01:08
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-07 05:01:08 | healthy | 402 | 169ms | |
| 2026-10-07 01:02:45 | healthy | 402 | 169ms | |
| 2026-10-06 05:11:16 | healthy | 402 | 145ms | |
| 2026-10-05 14:00:39 | healthy | 402 | 177ms | |
| 2026-10-05 01:30:36 | healthy | 402 | 786ms |