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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 37 ms | $0.01 |
| 5 h ago | Passed | 402 | 38 ms | $0.01 |
| 9 h ago | Passed | 402 | 40 ms | $0.01 |
| 12 h ago | Passed | 402 | 48 ms | $0.01 |
| 16 h ago | Passed | 402 | 47 ms | $0.01 |
| 20 h ago | Passed | 402 | 47 ms | $0.01 |
| 23 h ago | Passed | 402 | 40 ms | $0.01 |
| 27 h ago | Passed | 402 | 43 ms | $0.01 |
| 31 h ago | Passed | 402 | 41 ms | $0.01 |
| 34 h ago | Passed | 402 | 42 ms | $0.01 |
| 39 h ago | Passed | 402 | 53 ms | $0.01 |
History
| 11 Oct 2026 | Payment address changed from 0x91D568599fB802Cb3f03F067D2063785dBAF0abd to 0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3 |