TLS Scanner API

Protect your users by monitoring SSL/TLS configurations.Get insights into certificate validity, expiration dates, and supported protocols to ensure industry compliance.

99.9% UptimeTLS 1.3 SupportCert Expiry Check

Response

{
  "timestamp": 1768929029226,
  "apiStatus": "success",
  "apiCode": 200,
  "meta": {
    "url": "geekflare.com",
    "test": {
      "id": "c89b2ce9-c1c1-4743-b47d-d00f5ef60a00"
    }
  },
  "data": {
    "protocols": {
      "tls10": false,
      "tls11": false,
      "tls12": true,
      "tls13": true
    },
    "certificate": {
      "commonName": "geekflare.com",
      "subjectAltName": "DNS:geekflare.com, DNS:aitools-api.geekflare.com",
      "issuer": {
        "country": "US",
        "organization": "Google Trust Services",
        "commonName": "WE1"
      },
      "expiry": "Apr  3 15:54:36 2026 GMT"
    }
  }
}

Trusted by 10,000+ developers

Copy, paste, and ship

import requests

url = "https://api.geekflare.com/tlsscan"

payload = { "url": "https://example.com" }
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

OpenAPI 3.0Type SafeSSL Encrypted

Why Geekflare TLS Scanner API

Expiry Monitoring

Retrieve the exact expiry date to set up automated alerts before your users encounter Not Secure browser warnings.

Protocol Analysis

Verify which TLS versions your server supports. Ensure you have disabled outdated protocols.

Detailed Cert Data

Extract details including the Common Name (CN), Issuer Organization, and SAN.

Simple, transparent pricing

Free

$0/mo

500 Credits/mo

Scan ~100 Sites

1 Request per second

Starter

$9/mo

5K Credits/mo

Scan ~5000 Sites

5 Requests per second

Growth

Build more with Geekflare

Check URL Redirection

Trace the full path of URL redirects and analyze HTTP status codes.

Scrape Any Website

Extract HTML, Markdown, or JSON from dynamic web pages with automatic CAPTCHA solving.

Lookup DNS Records

Query all major DNS record types including A, AAAA, CNAME, MX, TXT, NS, SOA, and CAA in a single request.

Check Site Load Time

Check how much time your site takes to load including DNS, Connect, TLS, and TTFB metrics.

Extract Structured Metadata

Extract title, description, images, Schema.org and Open Graph metadata from any URL.

Frequently Asked Questions

Misconfigured certificates or outdated protocols can lead to browser warnings and loss of user trust. Regular scanning ensures continuous compliance.

Yes. You can scan any hostname. Additionally, the API returns the SAN (Subject Alternative Names) list, showing you all other domains covered by that specific certificate.

Yes, the scanner detects support for modern protocols including TLS 1.2 and TLS 1.3.

TLS scan API consumes only 1 credit per request.

Ready to Monitor TLS Certificates?

Join thousands of businesses using Geekflare API to monitor SSL certificates.