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Tinstop SSL/TLS Certificate Check
x402
Tinstop SSL/TLS Certificate Check is a paid API for AI agents from tinstop.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Checks the SSL/TLS certificate validity, expiry, issuer, and hostname coverage for a given domain
Price / call$0.02
Success—
StatusUnknown
How this service works
Tinstop is a machine-payable Website Intelligence API for domain security and performance audits: DNS, SSL/TLS, HTTP security headers, SPF/DKIM/DMARC email authentication, and Google PageSpeed. Pay per call with x402 using USDC on Base. No accounts or API keys.
Output
Returns a structured object with: whether the SSL certificate is currently valid (ssl_valid boolean), the certificate issuer details (organization, CN, etc.), expiry date in ISO 8601 UTC, days remaining until expiry, Subject Alternative Names (SANs) covered by the cert, whether the queried hostname matches the certificate's CN or SANs, the certificate's not-before date, a list of detected issues (e.g. expired, hostname mismatch, self-signed), a unique scan_id, and whether the result was served from cache.
Example use cases
Pre-launch SSL readiness check
“Before we go live, can you verify that the SSL certificate for newproduct.example.com is valid, matches the hostname, and has at least 30 days before it expires?”
Automated certificate expiry monitoring
“Check the SSL certificate on mybusiness.com and tell me if it's about to expire — I want to know the exact expiry date and how many days are left.”
Security audit for third-party vendor
“I need to audit the SSL setup for our vendor's domain vendor-portal.acmecorp.com — can you pull the certificate details, check the issuer, and flag any issues?”
Technical details
Endpoint
POSThttps://tinstop.com/v1/ssl-checkWhen to prefer
Choose this endpoint when you need a quick, per-call SSL/TLS certificate inspection without setting up an account or API key. It is ideal for ad-hoc domain security audits, automated monitoring pipelines that pay per check in USDC via x402, or when you need structured machine-readable certificate data including SANs, issuer details, and hostname validation. Prefer it over general web scanners when you specifically need SSL/TLS certificate metadata in a programmatic format at low cost ($0.02/call).
Side effects
- Domain does not exist or is unreachable — may return issues array with connectivity error
- Domain has no SSL certificate (HTTP-only) — ssl_valid will be false with relevant issues
- Certificate is self-signed or uses an untrusted CA — captured in issues array
- Invalid domain format provided (e.g. includes http://) — input validation error
- Timeout reaching the domain's SSL endpoint — error or empty response
- Cached result returned (check 'cached' field) — may not reflect very recent certificate changes
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | The domain name to check (e.g. 'example.com'). Do not include http:// or https:// protocol prefixes. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| sansrequired | array | |
| cached | boolean | |
| domainrequired | string | |
| issuerrequired | — | |
| issuesrequired | array | |
| scan_idrequired | string | |
| ssl_validrequired | boolean | |
| expires_at | — | ISO 8601 UTC timestamp when certificate expires |
| not_before | — | ISO 8601 UTC timestamp when certificate becomes valid |
| request_id | — | Gateway request tracking ID |
| expires_in_daysrequired | — | |
| hostname_matches | — | True if domain hostname matches SSL CN or SANs |
Tags
x402
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