82trust / 100

Headers

by HTTP Security Headers Check in Security & trust

x402 APIPassing, checked 2 h ago

Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.

GET https://headers.use.x402atlas.com/

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
575 ms typical, 575 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://headers.use.x402atlas.com/?url=https%3A%2F%2Fexample.com%2F"
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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fheaders.use.x402atlas.com%2F
const res = await pay("https://headers.use.x402atlas.com/?url=https%3A%2F%2Fexample.com%2F");
console.log(await res.json());

Example input

{
  "url": "https://example.com/"
}

Example output

{
  "headers": {
    "content_security_policy": "default-src 'self'",
    "permissions_policy": null,
    "referrer_policy": "strict-origin-when-cross-origin",
    "server": null,
    "strict_transport_security": {
      "include_subdomains": true,
      "max_age": 31536000,
      "preload": false,
      "value": "max-age=31536000; includeSubDomains"
    },
    "x_content_type_options": "nosniff",
    "x_frame_options": "DENY",
    "x_powered_by": null
  },
  "queried_at": "2026-07-03T12:00:00Z",
  "status_code": 200,
  "url": "https://example.com/",
  "warnings": [
    "no Permissions-Policy header (powerful browser features are not restricted)"
  ]
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402575 ms$0.01