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

WhenResultHTTPTimePrice
2 h agoPassed402352 ms$0.003
5 h agoPassed402364 ms$0.003
10 h agoPassed402382 ms$0.003

History

11 Oct 2026Payment address changed from 0xf211b7F28bD788f8E76C7a1d7440601E00647526 to 0xD6cEad7be3A899A81d9772AA675a4b097823a60B