SSL Certificate Check
Inspect SSL/TLS certificate for any domain. Returns valid boolean, days_remaining, issuer, valid_from, valid_to, subject_alt_names (SANs), fingerprint_sha256, and protocol version. Default port 443. Use for certificate expiry monitoring, se
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 71 ms
- Price
- $0.009 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 12
- Category
- DNS and domains
- Address
- https://agentsvc.io/api/v1/proxy/ssl-check
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/1de2d6f20ad8.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).