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TrustSource HTTP Security Headers Analyzer
x402
TrustSource HTTP Security Headers Analyzer is a paid API for AI agents from api.trustsource.cc, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15, last successful call 2026-08-12).
Analyzes HTTP security headers for a given URL and returns a letter grade (A+ to F), a 0–100 score, and structured findings for HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, COOP, and server header disclosure.
Price / call$0.003
Success—
StatusUnknown
How this service works
Audit a site's HTTP security headers before embedding, scraping, or trusting it. Returns an A+ to F grade and 0–100 score with structured analysis of HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, and Cross-Origin headers, plus server-header disclosure. A defense-in-depth signal for agents reviewing a site's security posture — not a vulnerability scan.
Output
Returns a letter grade (A+ to F), a numeric score from 0 to 100, and a structured breakdown of each security header: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, Cross-Origin-Opener-Policy, and whether the server header discloses software details.
Example use cases
Example prompt
“Can you check the HTTP security headers for https://example.com and tell me what grade it gets, whether HSTS and CSP are properly set, and if the server is leaking version info?”
Technical details
Endpoint
GEThttps://api.trustsource.cc/headersWhen to prefer
Use this endpoint when you need a structured, graded audit of HTTP security response headers for a specific URL — especially useful for security posture reviews, compliance checks, or automated site audits where you want actionable findings on missing or misconfigured headers like HSTS, CSP, or X-Frame-Options.
Side effects
- Invalid or unreachable URL returns an error response
- URL missing scheme (http/https) may cause parsing failure
- Rate limiting or payment failure results in 402 response
- Target site blocking HEAD/GET requests may yield incomplete header data
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"url": "https://example.com"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"url": "https://example.com/",
"meta": {
"cached": false,
"paidWith": "x402/USDC",
"checkedAt": "2026-06-10T04:32:21.197Z",
"apiVersion": "1.0"
},
"grade": "F",
"score": 8,
"analysis": {
"csp": {
"notes": [
"missing"
],
"score": 0,
"value": null,
"present": false,
"maxScore": 20
},
"coop": {
"notes": [
"missing"
],
"score": 0,
"value": null,
"present": false,
"maxScore": 10
},
"hsts": {
"notes": [
"missing"
],
"score": 0,
"value": null,
"present": false,
"maxScore": 20
},
"xFrameOptions": {
"notes": [
"missing"
],
"score": 0,
"value": null,
"present": false,
"maxScore": 10
},
"referrerPolicy": {
"notes": [
"missing"
],
"score": 0,
"value": null,
"present": false,
"maxScore": 10
},
"serverDisclosure": {
"notes": [
"server_disclosed"
],
"score": 8,
"value": "cloudflare",
"present": true,
"maxScore": 10
},
"permissionsPolicy": {
"notes": [
"missing"
],
"score": 0,
"value": null,
"present": false,
"maxScore": 10
},
"xContentTypeOptions": {
"notes": [
"missing"
],
"score": 0,
"value": null,
"present": false,
"maxScore": 10
}
},
"hostname": "example.com",
"maxScore": 100,
"response": {
"status": 200,
"redirects": 0
},
"warnings": [
"missing_hsts",
"missing_csp",
"missing_xFrameOptions",
"missing_xContentTypeOptions",
"missing_referrerPolicy",
"missing_permissionsPolicy",
"missing_coop",
"serverDisclosure:server_disclosed"
]
}Tags
x402
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