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klymax402 SSL Certificate Checker
x402
klymax402 SSL Certificate Checker is a paid API for AI agents from klymax402.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Checks the SSL/TLS certificate details and validity for a given domain name, returning grade, expiry, issuer, and days remaining
Price / call$0.005
Success—
StatusUnknown
How this service works
One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.
Output
A JSON object containing: SSL grade (letter), validity boolean, domain, issuer details (object), subject details (object), validFrom and validTo timestamps, protocol version, fingerprint, serial number, days remaining until expiry, and an array of subject alternative names.
Example use cases
Pre-launch SSL verification for new site
“Before we go live, can you check the SSL certificate on mystartup.io? I need to know if it's valid, what the grade is, and when it expires.”
Security audit of vendor domain
“As part of our vendor review, please check the SSL cert details for api.thirdpartyvendor.com — I need the issuer, protocol, and whether it's currently valid.”
Alert on near-expiry certificate
“Check the SSL certificate for mybusiness.com and tell me how many days are remaining before it expires so I can decide whether to renew now.”
Technical details
Endpoint
GEThttps://klymax402.com/api/ssl-checker/api/checkWhen to prefer
Use this endpoint when you need a quick, no-setup SSL certificate inspection for any domain — especially useful for security audits, pre-deployment checks, or monitoring certificate expiry without needing to configure your own TLS inspection tooling. At $0.005/call it is cost-effective for on-demand checks in automated workflows.
Side effects
- Invalid or non-existent domain returns error or empty result
- Domain with no SSL configured may return invalid/null fields
- Network timeout if the target domain is unreachable
- Malformed domain input (e.g. including protocol prefix) may cause parsing errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | Domain name to check SSL certificate (e.g. example.com) |
Output
Schema · Response
{
"type": "json",
"example": {
"grade": "example",
"valid": true,
"domain": "example",
"issuer": {},
"subject": {},
"validTo": "example",
"protocol": "example",
"validFrom": "example",
"fingerprint": "example",
"serialNumber": "example",
"daysRemaining": 1,
"subjectAltNames": []
}
}Tags
x402
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