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SSL Cert Check
x402
SSL Cert Check is a paid API for AI agents from 402.com.tr, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Probes a hostname's TLS certificate and returns subject, issuer, validity dates, days remaining, expiry status, and fingerprint with a GO/HOLD/STOP signal.
Price / call$0.01
Success—
StatusUnknown
How this service works
TLS probe for host=: subject, issuer, validFrom/validTo, daysRemaining, expired/expiringSoon, fingerprint. GO/HOLD/STOP from dates. Chain trust is not asserted — dates and identity fields are.
Output
Returns a structured object with the certificate's subject (CN/SAN), issuer name, validFrom and validTo timestamps, daysRemaining until expiry, boolean flags for expired and expiringSoon, a SHA fingerprint, and a GO/HOLD/STOP signal derived from the date fields. Chain trust is not verified — only date and identity fields are asserted.
Example use cases
Pre-launch SSL validity check
“Before we go live, can you check the SSL cert on staging.myapp.com to make sure it's valid, not expiring in the next 30 days, and tell me who issued it?”
Monitoring cert expiry on custom port
“Our internal service runs on infra.corp.net port 8443 — can you probe the TLS cert and tell me how many days are left before it expires and whether I need to act?”
Security audit of third-party vendor
“I need to verify the SSL certificate details for payments.vendor.com — get me the subject, issuer, fingerprint, and whether it's currently trusted based on dates.”
Technical details
Endpoint
GEThttps://402.com.tr/api/x402/ssl-checkWhen to prefer
Choose this endpoint when you need a quick, cheap ($0.01) programmatic TLS probe that returns structured certificate metadata including expiry countdown and a simple GO/HOLD/STOP action signal — ideal for automated monitoring, pre-deployment checks, or security audits where you need date/identity fields without full chain trust validation.
Side effects
- Host unreachable or DNS resolution failure — no certificate data returned
- Port not open or TLS handshake fails — connection error response
- Host missing required query parameter — 400 validation error
- Certificate subject/issuer fields empty or malformed on unusual certs
- Payment not processed — 402 payment required before response is served
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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