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Site Uptime and SSL Checker
x402
Site Uptime and SSL Checker is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Checks website uptime, HTTP status, response latency, redirect chain, security headers, and TLS certificate details including expiry from certificate-transparency logs for any hostname or URL.
Price / call$0.01
Success—
StatusUnknown
How this service works
Website uptime, availability and SSL/TLS certificate check: is the site up, HTTP status, response latency, full redirect chain and final URL, server header, HTTPS and security headers (HSTS, CSP, X-Frame-Options), plus the latest public TLS certificate from certificate-transparency logs with issuer, validity dates and days until expiry. Monitoring, SSL expiry alerts and health checks for any hostname or URL. $0.01 per check.
Output
Returns whether the site is reachable, HTTP status code, response latency in milliseconds, the full redirect chain with each hop and status, the final resolved URL, server header value, HTTPS enforcement status, and security headers (HSTS, CSP, X-Frame-Options). Also returns TLS certificate details from certificate-transparency logs: issuer, common name, valid-from and valid-to dates, and days remaining until expiry.
Example use cases
SSL expiry alert for production site
“Check the TLS certificate on api.mycompany.com — I need to know who issued it, when it expires, and how many days we have left so I can set up a renewal reminder.”
Security header audit before launch
“Before we go live, can you verify that shop.mybrand.com is up, check the HTTP status and response time, and tell me if it's sending HSTS, Content-Security-Policy, and X-Frame-Options headers correctly?”
Debugging redirect chain and final URL
“Something's off with our redirects on oldsite.example.com — can you trace the full redirect chain, show me every hop with its status code, and confirm what the final URL ends up being?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/uptime-sslWhen to prefer
Choose this endpoint when you need a combined uptime, security header, and SSL certificate check in a single call, rather than making separate requests to individual uptime or SSL endpoints. It is especially useful for monitoring workflows, pre-launch audits, or certificate expiry alerting where you want HTTP health, redirect behavior, and TLS validity all in one response. It overlaps with sibling endpoints like ssl-certificate-expiry and url-status-check, but delivers all their data combined, making it the most cost-effective choice when you need the full picture.
Side effects
- Hostname does not resolve — DNS lookup failure returned
- Site is unreachable or timed out — uptime check fails with no response
- Invalid URL or hostname format — input rejected
- Certificate transparency logs have no record for domain — cert details unavailable
- Site returns non-standard HTTP response — status may be ambiguous
- Rate limiting or firewall on target site may cause false negatives
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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