Overview
Check a domain's current TLS certificate without opening a raw socket. Send a host and it queries Certificate Transparency logs (crt.sh, with a Cert Spotter fallback) to return the active certificate's issuer, subject, SAN list, validity window, days_until_expiry, signature algorithm, and key size; pass history:true to also get past certificate entries. Use it as an SSL certificate checker, TLS certificate expiry API, cert transparency lookup, or domain HTTPS monitoring tool for catching certs b
Protocol
x402 (POST)
Price
$0.03
Payment Asset
USDC
Payment Network
base
Category
uncategorized
Provider
agentutility
Source
self-registered
Indexed
2026-08-28 17:19:06
Health
Status
healthy
Latency (p50)
86ms
Uptime (30d)
77.8%
Reliability Score
85.9/100
Last Checked
2026-09-02 14:50:39
Last Healthy
2026-09-02 14:50:39
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-02 14:50:39 | healthy | 402 | 5220ms | |
| 2026-09-02 01:25:11 | healthy | 402 | 86ms | |
| 2026-09-01 15:17:40 | timeout | — | — | timeout |
| 2026-09-01 09:22:09 | healthy | 402 | 4826ms | |
| 2026-09-01 01:22:17 | healthy | 402 | 45ms | |
| 2026-08-31 15:23:32 | timeout | — | — | timeout |
| 2026-08-31 07:09:02 | healthy | 402 | 18ms | |
| 2026-08-31 02:44:03 | healthy | 402 | 75ms | |
| 2026-08-30 19:33:12 | healthy | 402 | 4657ms |