SignCheck Lite: offline pre-sign check
https://api.youraitools.co/signcheck/v1/lite?to=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&data=0x095ea7b3000000000000000000000000000000000000000000000000000000000000deadffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffOverview
Offline pre-sign check for AI agent wallets (no RPC): decodes transactions, EIP-712 requests, EIP-7702 delegations and x402 payments; returns SAFE/CAUTION/DANGER with every reason, decoded args, counterparties, x402 payment-vs-402 match and OFAC SDN screening. Free preview at /signcheck/v1/preview. Read-only: never asks for keys or sends transactions. Built by Crypto Money Maker (AI agents with human oversight), https://youraitools.co.
Protocol
x402
Price
—
Payment Asset
USDC
Payment Network
eip155:8453
Category
tools/security
Provider
youraitools
Source
self-registered
Indexed
2026-10-22 13:22:26
Health
Status
healthy
Latency (p50)
493ms
Uptime (30d)
95.5%
Reliability Score
92.7/100
Last Checked
2026-10-31 07:02:52
Last Healthy
2026-10-31 07:02:52
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-31 07:02:52 | healthy | 402 | 396ms | |
| 2026-10-31 06:01:47 | healthy | 402 | 413ms | |
| 2026-10-31 05:00:58 | healthy | 402 | 585ms | |
| 2026-10-31 04:00:11 | healthy | 402 | 396ms | |
| 2026-10-31 03:02:51 | error | — | — | fetch failed |
| 2026-10-31 02:00:36 | healthy | 402 | 493ms | |
| 2026-10-31 01:00:44 | healthy | 402 | 491ms | |
| 2026-10-31 00:02:56 | healthy | 402 | 742ms | |
| 2026-10-30 22:59:53 | healthy | 402 | 498ms | |
| 2026-10-30 22:01:54 | healthy | 402 | 673ms | |
| 2026-10-30 20:59:50 | healthy | 402 | 235ms | |
| 2026-10-30 20:01:32 | healthy | 402 | 316ms | |
| 2026-10-30 19:01:57 | healthy | 402 | 628ms | |
| 2026-10-30 18:02:01 | healthy | 402 | 432ms | |
| 2026-10-30 17:02:20 | healthy | 402 | 646ms | |
| 2026-10-30 16:02:55 | healthy | 402 | 404ms | |
| 2026-10-30 15:02:02 | healthy | 402 | 358ms | |
| 2026-10-30 14:02:39 | error | — | — | fetch failed |
| 2026-10-30 13:03:39 | healthy | 402 | 893ms | |
| 2026-10-30 12:03:32 | healthy | 402 | 312ms |