80trust / 100
Risk Check
by agent-sign-guard-main-production.up.railway.app in Onchain & crypto
x402 APIPassing, checked 2 h ago
Deterministic pre-sign risk screening for unsigned Base EVM transactions. Detects ERC20 transfers, token approvals, unlimited approvals, setApprovalForAll, malformed calldata and OFAC SDN and configured address matches. Returns machine-readable ALLOW, REVIEW or BLOCK.
POST https://agent-sign-guard-main-production.up.railway.app/risk-check
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 364 ms typical, 364 ms slowest 5%
- Last check
- 2 h ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent-sign-guard-main-production.up.railway.app/risk-check" \
-H "content-type: application/json" \
-d '{}'import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = new x402Client().register(
"eip155:8453",
new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent-sign-guard-main-production.up.railway.app%2Frisk-check
const res = await pay("https://agent-sign-guard-main-production.up.railway.app/risk-check", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({}),
});
console.log(await res.json());Example input
{}Security scan
- Payment address changed recently in payment
Payment address changed from 0xf211b7F28bD788f8E76C7a1d7440601E00647526 to 0xD6cEad7be3A899A81d9772AA675a4b097823a60B
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 352 ms | $0.003 |
| 5 h ago | Passed | 402 | 364 ms | $0.003 |
| 10 h ago | Passed | 402 | 382 ms | $0.003 |
History
| 11 Oct 2026 | Payment address changed from 0xf211b7F28bD788f8E76C7a1d7440601E00647526 to 0xD6cEad7be3A899A81d9772AA675a4b097823a60B |