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TLS/SSL Certificate Checker
x402
TLS/SSL Certificate Checker is a paid API for AI agents from 49112-hjhjtioxvirqvcvo.splox.app, paid per call via x402, $0.0005/call, status unknown (last checked 2026-10-02).
Checks TLS/SSL certificate validity, expiry, issuer, cipher, and SAN details for a given hostname via a paid per-call API using x402/USDC micropayments.
Price / call$0.0005
Success—
StatusUnknown
How this service works
Paid per-call web tools for AI agents: DNS, TLS, robots.txt, hashing, JavaScript rendering and screenshots. Payment over x402 (USDC on Base).
Output
Returns a JSON object containing: whether the certificate chain is valid, the number of days remaining until expiry, the certificate's not_after date, the TLS version, cipher suite, issuer, subject, SAN count and sample, and the port checked. On error, includes an error message field.
Example use cases
Certificate expiry monitoring for production domain
“Check the TLS certificate on my production site myapp.io and tell me if it's still valid and how many days are left before it expires — I want to make sure we don't get caught with an expired cert.”
Security audit of third-party API endpoint
“I'm integrating with a third-party service at payments.vendor.com — can you inspect their SSL certificate and tell me who issued it, what cipher suite they're using, and what TLS version they support?”
Debugging HTTPS issues for a new deployment
“My site staging.mycompany.com is showing certificate warnings in the browser — can you check if the TLS cert is actually valid and what the subject and SAN entries are so I can figure out if there's a mismatch?”
Technical details
Endpoint
GEThttps://49112-hjhjtioxvirqvcvo.splox.app/ssl-check?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs programmatic, per-call TLS certificate inspection without committing to a full monitoring SaaS subscription. It is ideal for one-off checks, on-demand certificate audits within automated workflows, or when integrating TLS validation into a broader security pipeline. The x402 micropayment model means no API key setup — just pay $0.0005 USDC per call.
Side effects
- Host not found or unreachable — returns error field describing the connection failure
- Host has no TLS listener on port 443 — returns error indicating connection refused
- Certificate chain is invalid or self-signed — valid field is false with issuer/subject details still populated
- Payment not received or x402 micropayment fails — call is rejected before processing
- Malformed host input — returns error indicating invalid hostname format
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| hostrequired | string | host to check TLS for, e.g. example.com |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| hostrequired | string | |
| port | integer | |
| error | string | |
| valid | boolean | certificate chain verified and inside its validity window |
| cipher | string | |
| issuer | string | |
| subject | string | |
| days_left | integer | days until not_after |
| not_after | string | |
| san_count | integer | |
| san_sample | array | |
| tls_version | string |
Tags
x402
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