SSL/TLS Certificate Inspector API — Certificate Analysis

Description

Connect to a server and inspect its SSL/TLS certificate. Get certificate details (issuer, subject, SANs, expiry), chain validation results, protocol support, and security assessment.

Use Cases

Monitor certificate expiration dates
Verify correct certificate installation
Check certificate chain completeness
Audit TLS protocol and cipher support

Parameters

Name	Type	Required	Description
`domain`	string	Yes	Domain name to inspect
`port`	integer	No	Port number. Default: 443
`format`	string	No	Response format: json or markdown

Example Request

bash

curl -H 'X-API-Key: YOUR_KEY' \
  'https://api.example.com/dns/certificate?domain=example.com'

python

import httpx

resp = httpx.get(
    "https://api.example.com/dns/certificate?domain=example.com",
    headers={"X-API-Key": "YOUR_KEY"},
)
print(resp.json())

javascript

const resp = await fetch("https://api.example.com/dns/certificate?domain=example.com", {
  headers: { "X-API-Key": "YOUR_KEY" },
});
const data = await resp.json();
console.log(data);

Example Response

json

{
  "domain": "example.com",
  "issuer": "DigiCert Inc",
  "subject": "www.example.org",
  "valid_from": "2024-01-30",
  "valid_to": "2025-03-01",
  "days_remaining": 120,
  "san": ["example.com", "www.example.com"],
  "chain_valid": true
}

SSL/TLS Certificate Inspector

Description

Use Cases

Parameters

Related Tools in Security

DNS Health Audit

DNSSEC Validation

Zone Transfer Test

Typosquatting Detector