Pricing

from $3.00 / 1,000 certificate fetcheds

SSL Certificate Transparency Search

Search Certificate Transparency (CT) logs via crt.sh to discover every SSL/TLS certificate ever issued for any domain. Enumerate subdomains, audit certificate histories, and monitor for unauthorized certificate issuance -- all through a clean JSON API on Apify with no infrastructure to manage.

Pricing

from $3.00 / 1,000 certificate fetcheds

Rating

0.0

(0)

Developer

ryan clinton

Actor stats

Bookmarked

Total users

Monthly active users

15 hours ago

Last modified

Categories

Developer tools

Domain

domain

Required

Domain to search for certificates (e.g., 'example.com'). Use '%.example.com' for manual wildcard subdomain search.

Type:string

Include Expired Certificates

includeExpired

Optional

Include certificates that have already expired.

Type:boolean

Default:true

Include Subdomains

includeSubdomains

Optional

Automatically prepend % wildcard to search for all subdomains of the domain.

Type:boolean

Default:true

Deduplicate Subdomains

deduplicateSubdomains

Optional

When enabled, returns unique subdomains with first/last seen dates instead of individual certificate records.

Type:boolean

Default:true

Max Results

maxResults

Optional

Maximum number of results to return.

Type:integer

Minimum:1

Maximum:5000

Default:100

SSL Certificate Checker

rationalistic_counsel/ssl-certificate-checker

J N

SSL Certificate Checker

nexgendata/ssl-certificate-checker

Check SSL/TLS certificates for any domain — expiration dates, issuer, protocol versions, and security grade. Monitor certificate health across your infrastructure.

Stephan Corbeil

SSL Certificate Checker

automation-lab/ssl-certificate-checker

SSL Certificate Checker connects to domains over TLS and inspects their SSL certificates. It returns structured data about certificate validity, expiry, issuer chain, TLS protocol version, cipher suite, and a security grade from A+ to F.

Stas Persiianenko

SSL Certificate Expiry Monitor

andok/ssl-certificate-monitor

Monitor SSL/TLS certificate validity and expiration dates across thousands of domains to prevent costly outages.

Andok

Subdomain Finder

automation-lab/subdomain-finder

This actor discovers subdomains by querying certificate transparency logs via crt.sh. It finds all SSL/TLS certificates ever issued for a domain, extracting unique subdomain names. This passive reconnaissance technique requires no direct scanning.

Stas Persiianenko

Bulk SSL Certificate Expiry DNS Monitor

logiover/bulk-ssl-certificate-expiry-dns-monitor

Check SSL certificate validity and expiration (days left, issuer, valid from/to) plus DNS A/MX resolution for thousands of domains. Fast, no browser, export-ready JSON/CSV. Ideal for agencies, SEO audits, DevOps monitoring and compliance.

Logiover

Website HTTPS & SSL Health Checker

pillowy_travel/website-https-ssl-health-checker

Checks HTTPS availability and SSL certificate health for given URLs

SAHIL KUMAR

5.0

Subdomain Finder

happitap/subdomain-finder

Subdomain Finder is a high-speed intelligence tool that uncovers subdomains for any target domain using Certificate Transparency (CT) logs. Unlike traditional brute-force tools, it requires no heavy traffic and provides results in seconds.

HappiTap

EPC Scraper

dhrumil/epc-scraper

Scrape https://find-energy-certificate.service.gov.uk to crawl millions of EPCs from United Kingdom. Our energy performance certificate scraper also lets you monitor specific post code for new EPC listed. You can provide multiple search result listings to scrape/monitor.