78trust / 100
Verify Counterparty
by Agent Trust Verify in Security & trust
x402 APIPassing, checked 2 h ago
Counterparty trust verification for agents: before transacting with a domain, verify its trust artifacts — DNSSEC + DNS-AID records, agent-card, live MCP endpoint, published JWKS, OASF record, x402/commerce declarations. Returns a 0-100 trust score with per-artifact evidence. $0.25 per lookup.
GET https://mudko.com/api/x402/verify-counterparty
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 207 ms typical, 320 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 GET "https://mudko.com/api/x402/verify-counterparty?domain=example.com+%28string%2C+required+-+domain+to+verify%29"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%2Fmudko.com%2Fapi%2Fx402%2Fverify-counterparty
const res = await pay("https://mudko.com/api/x402/verify-counterparty?domain=example.com+%28string%2C+required+-+domain+to+verify%29");
console.log(await res.json());Example input
{
"domain": "example.com (string, required - domain to verify)"
}Example output
{
"artifacts": {
"agent_card": true,
"commerce_declared": true,
"dns_aid": true,
"dnssec": true,
"jwks": false,
"mcp_live": true,
"oasf_record": false
},
"domain": "example.com",
"paid": true,
"trust_score": 72,
"verdict": "verifiable"
}Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 320 ms | $0.25 |
| 6 h ago | Passed | 402 | 194 ms | $0.25 |
| 9 h ago | Passed | 402 | 207 ms | $0.25 |
| 13 h ago | Passed | 402 | 212 ms | $0.25 |
| 17 h ago | Passed | 402 | 224 ms | $0.25 |
| 20 h ago | Passed | 402 | 182 ms | $0.25 |
| 24 h ago | Passed | 402 | 453 ms | $0.25 |
| 28 h ago | Passed | 402 | 182 ms | $0.25 |
| 31 h ago | Passed | 402 | 313 ms | $0.25 |
| 36 h ago | Passed | 402 | 201 ms | $0.25 |