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tariffmonkee.com /paid/sitegrade – Domain Security Grader
x402
tariffmonkee.com /paid/sitegrade – Domain Security Grader is a paid API for AI agents from tariffmonkee.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-29).
Checks a domain's HTTPS reachability and security headers (HSTS, CSP, X-Frame-Options, etc.) plus CAA records, returning a 0-100 score with an A-F letter grade and detailed findings.
Price / call$0.05
Success—
StatusUnknown
How this service works
Domain security grade (0-100, A-F) from HTTPS reachability, security headers (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy) and CAA records. Reports HTTPS connect success or failure, not raw certificate expiry. Registration facts are in /domain-intel; URL reputation is in /linkcheck.
Output
Returns a 0-100 numeric score and an A-F letter grade for the domain, along with per-finding details: HTTPS connect success or failure, presence/absence of HSTS, CSP, X-Frame-Options, and other security headers, and CAA DNS record status.
Example use cases
Vendor security posture check
“Before we integrate with acme-payments.io, can you check their security grade? I want to know if they have HTTPS, HSTS, and CSP headers properly configured.”
Pre-launch site security audit
“We're about to launch mybrand.com — can you run a security header audit and tell me the letter grade so I know what to fix before we go live?”
Monitoring third-party domain security
“Check the security grade for our partner portal at partner.bigcorp.com and let me know if they're missing any important security headers like X-Frame-Options or CAA records.”
Technical details
Endpoint
GEThttps://tariffmonkee.com/paid/sitegrade?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, structured A-F security posture assessment of a domain's HTTPS and security header configuration. Prefer it over /linkcheck (which checks URL reputation/safety) or /domain-intel (which returns ownership/registration facts). If you need a combined report including all three, use the orchestrated bundle endpoint instead.
Side effects
- Domain is unreachable — HTTPS connect failure noted in findings, still returns a grade
- Invalid or malformed domain input — likely returns an error response
- Domain has no DNS record — connection failure reported
- Payment not settled — 402 response, request not processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"grade": "A",
"https": {
"reachable": true,
"redirectedFromHttp": true
},
"score": 95,
"domain": "github.com",
"headers": {
"csp": {
"value": "default-src 'none'; base-uri 'self'; child-src github.githubassets.com github.com/assets-cdn/worker/ github.com/assets/ gist.github.com/assets-cdn/worker/; connect-src 'self' uploads.github.com www.githubstatus.com collector.github.com raw.githubusercontent.com api.github.com github-cloud.s3.amazona...",
"present": true
},
"hsts": {
"maxAge": 31536000,
"present": true,
"includesSubDomains": false
},
"grade": "A",
"score": 95,
"xFrameOptions": {
"value": "deny",
"present": true
},
"referrerPolicy": {
"value": "origin-when-cross-origin, strict-origin-when-cross-origin",
"present": true
},
"permissionsPolicy": {
"present": false
},
"xContentTypeOptions": {
"present": true
}
},
"findings": [],
"caaRecords": [
"0 issue \"digicert.com\"",
"0 issue \"globalsign.com\"",
"0 issue \"letsencrypt.org\"",
"0 issue \"sectigo.com\"",
"0 issuewild \"digicert.com\"",
"0 issuewild \"letsencrypt.org\"",
"0 issuewild \"sectigo.com\""
]
}
}Tags
x402
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