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NetIntel SSL Certificate Inspector
x402
NetIntel SSL Certificate Inspector is a paid API for AI agents from netintel-production-440c.up.railway.app, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).
Fetches and parses the SSL/TLS certificate for a given domain, returning expiry, issuer, SANs, key info, chain length, and security findings.
Price / call$0.003
Success—
StatusUnknown
How this service works
Network intelligence API — 138 endpoints, all pay-per-call via x402 micropayments (USDC on Base or Solana mainnet). NetIntel is agent fair-trade aligned: transparent per-call pricing in USDC on Base or Solana via x402, no API keys or signup, and automatic no-charge on server errors, upstream failures, and input-validation rejections — failed calls are never billed across NetIntel's network, domain, and data-intelligence endpoints.
Output
Returns a JSON object with the domain and port probed, certificate subject and SANs list, issuer (common name and organization), validity window (valid_from, valid_to, days_remaining), boolean flags for expired/not_yet_valid/self_signed, TLS version negotiated, signature algorithm, public key type and bit size, certificate chain length, an array of security findings, and a cache_age_seconds field indicating data freshness.
Example use cases
Certificate expiry monitoring for fleet
“Check the SSL certificate on api.mycompany.com and tell me how many days are left before it expires and whether there are any security findings I should know about.”
Vendor security due diligence
“I'm about to integrate with a third-party payment provider at checkout.vendorsite.com — can you pull their SSL certificate details and tell me if it's properly issued by a trusted CA, what TLS version they're using, and if the cert is still valid?”
Troubleshooting HTTPS connection errors
“Users are getting SSL errors connecting to portal.internalapp.net on port 8443 — can you fetch the certificate there and check if it's expired, not yet valid, or self-signed?”
Technical details
Endpoint
GEThttps://netintel-production-440c.up.railway.app/ssl/certWhen to prefer
Choose this endpoint when you need detailed, structured SSL certificate metadata for a single domain — including expiry countdown, issuer identity, SANs, key specs, and chain length — rather than just a pass/fail validity check. Ideal for automated certificate monitoring, security audits, or vendor due diligence. Prefer this over generic TLS scanning tools when you need pay-per-call access with no signup, automatic no-charge on failures, and machine-readable JSON output ready for downstream agent logic.
Side effects
- Domain does not exist or cannot be resolved — returns error with no charge
- Domain is unreachable or port is closed — connection timeout error, no charge
- Domain has no SSL certificate (plain HTTP only) — error indicating no TLS
- Invalid domain input fails schema validation — rejected before billing
- Upstream TLS handshake failure — no charge per NetIntel policy
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"key": {
"bits": 256,
"type": "EC"
},
"port": 443,
"sans": [
"example.com",
"www.example.com"
],
"domain": "example.com",
"issuer": {
"common_name": "R11",
"organization": "Let's Encrypt"
},
"expired": false,
"sig_alg": "sha256WithRSAEncryption",
"subject": "example.com",
"findings": [],
"valid_to": "2026-09-29T23:59:59.000Z",
"valid_from": "2026-07-01T00:00:00.000Z",
"self_signed": false,
"tls_version": "TLSv1.3",
"chain_length": 3,
"not_yet_valid": false,
"days_remaining": 27,
"sans_truncated": false,
"cache_age_seconds": 0
}
}Tags
x402
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