78trust / 100

Port Check

by tcp-port-check in Security & trust

x402 APIPassing, checked 2 h ago

TCP port check: is a port open on a host? Attempts a real TCP connection (common ports: 21, 22, 25, 80, 443, 465, 587, 993, 3306, 5432, 6379, 8080, 8443...) and reports open/closed with connection latency. Connectivity and firewall verification. $0.01 per check.

POST https://intel.rallylive.ca/port-check

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
42 ms typical, 48 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://intel.rallylive.ca/port-check" \
  -H "content-type: application/json" \
  -d '{"host":"github.com:443"}'
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%2Fintel.rallylive.ca%2Fport-check
const res = await pay("https://intel.rallylive.ca/port-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"host":"github.com:443"}),
});
console.log(await res.json());

Example input

{
  "host": "github.com:443"
}

Example output

{
  "host": "example.com",
  "latency_ms": 42,
  "method": "tcp-connect",
  "open": true,
  "port": 443
}

Security scan

  • Payment address changed recently in payment
    Payment address changed from 0x91D568599fB802Cb3f03F067D2063785dBAF0abd to 0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed40237 ms$0.01
5 h agoPassed40238 ms$0.01
9 h agoPassed40240 ms$0.01
12 h agoPassed40248 ms$0.01
16 h agoPassed40247 ms$0.01
20 h agoPassed40247 ms$0.01
23 h agoPassed40240 ms$0.01
27 h agoPassed40243 ms$0.01
31 h agoPassed40241 ms$0.01
34 h agoPassed40242 ms$0.01
39 h agoPassed40253 ms$0.01

History

11 Oct 2026Payment address changed from 0x91D568599fB802Cb3f03F067D2063785dBAF0abd to 0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3