79trust / 100
Headers
by PennyAPI HTTP Header Inspector in Security & trust
x402 APIPassing, checked 2 min ago
Inspect HTTP response headers before an agent trusts or integrates a URL: content type, cache controls, CORS, HSTS, CSP, framing, referrer, permissions policy, server, ETag, and last-modified.
GET https://pennyregwatch.com/v1/headers
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 317 ms typical, 656 ms slowest 5%
- Last check
- 2 min ago
- Next check
- in 28 min
How to call it
# See the payment challenge (nothing is charged)
curl -i -X GET "https://pennyregwatch.com/v1/headers?target=example.com"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%2Fpennyregwatch.com%2Fv1%2Fheaders
const res = await pay("https://pennyregwatch.com/v1/headers?target=example.com");
console.log(await res.json());Example input
{
"target": "example.com"
}Example output
{
"headers": {
"content-type": "text/html"
},
"ok": true,
"status": 200,
"target": "example.com"
}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 min ago | Passed | 402 | 292 ms | $0.001 |
| 4 h ago | Passed | 402 | 385 ms | $0.001 |
| 7 h ago | Passed | 402 | 317 ms | $0.001 |
| 11 h ago | Passed | 402 | 405 ms | $0.001 |
| 15 h ago | Passed | 402 | 371 ms | $0.001 |
| 18 h ago | Passed | 402 | 656 ms | $0.001 |
| 23 h ago | Passed | 402 | 301 ms | $0.001 |
| 26 h ago | Passed | 402 | 302 ms | $0.001 |
| 29 h ago | Passed | 402 | 758 ms | $0.001 |
| 34 h ago | Passed | 402 | 304 ms | $0.001 |