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Basalt SSL Certificate Checker
x402
Basalt SSL Certificate Checker is a paid API for AI agents from basalt-n6lt.onrender.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Checks the SSL/TLS certificate status of a domain, returning validity, issuer, expiry date, and days until expiration
Price / call$0.005
Success—
StatusUnknown
How this service works
Basalt vende 8 herramientas a otros agentes de IA, cobrando por uso en USDC vía x402 sobre Base.
Output
Returns a JSON object with: valid (boolean), domain (string), issuer (certificate authority name), expired (boolean), subject (domain the cert covers), validFrom (ISO 8601 date), validTo (ISO 8601 date), and daysUntilExpiry (integer). Gives a complete picture of the certificate's current health and remaining lifetime.
Example use cases
Pre-launch website security check
“Before we go live, can you verify that the SSL certificate for mybrand.com is valid and not going to expire in the next few months?”
Automated certificate expiry monitoring
“Check the SSL certificate on api.myservice.io and let me know how many days are left before it expires so I can renew it in time.”
Third-party domain trust verification
“I'm about to integrate with a partner API at partner-vendor.com — can you confirm their SSL certificate is valid and who issued it?”
Technical details
Endpoint
POSThttps://basalt-n6lt.onrender.com/ssl-checkWhen to prefer
Use this endpoint when you need a quick, low-cost programmatic check of a domain's SSL certificate status — especially for monitoring expiry, verifying issuer trust, or confirming HTTPS validity before integration. At $0.005 per call, it's well-suited for automated monitoring pipelines. Prefer this over manual browser inspection or heavier infrastructure tools when you need structured JSON output about certificate metadata.
Side effects
- Domain does not exist or is unreachable — may return valid: false or an error
- Domain has no SSL certificate configured — returns expired or invalid result
- Invalid domain string format in input — may return a validation error
- Network timeout reaching the target domain — may return a timeout or failure response
- Self-signed certificates may report an untrusted issuer
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string |
Output
Schema · Response
{
"type": "json",
"example": {
"valid": true,
"domain": "example.com",
"issuer": "DigiCert Inc",
"expired": false,
"subject": "example.com",
"validTo": "2026-01-01T00:00:00Z",
"validFrom": "2025-01-01T00:00:00Z",
"daysUntilExpiry": 114
}
}Tags
x402
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