Pricing

from $1.00 / 1,000 item trackeds

Try for free

Go to Apify Store

SSL Certificate Monitor — Expiry, CT Logs, Subdomain Discovery

Try for free

Monitor SSL certificates for expiry, chain validity, and cipher suites. Discover subdomains via Certificate Transparency logs (crt.sh). Alerts for certificates expiring within N days. No API key required.

Pricing

from $1.00 / 1,000 item trackeds

Rating

0.0

(0)

Developer

Hojun Lee

Actor stats

Bookmarked

Total users

Monthly active users

18 hours ago

Last modified

Categories

Developer tools

You can access the SSL Certificate Monitor — Expiry, CT Logs, Subdomain Discovery programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = { "domains": ["example.com"] }
9
10# Run the Actor and wait for it to finish
11run = client.actor("gochujang/ssl-certificate-monitor").call(run_input=run_input)
12
13# Fetch and print Actor results from the run's dataset (if there are any)
14print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
15for item in client.dataset(run.default_dataset_id).iterate_items():
16    print(item)
17
18# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

SSL Certificate Monitor — Expiry, CT Logs, Subdomain Disc... API in Python

The Apify API client for Python is the official library that allows you to use SSL Certificate Monitor — Expiry, CT Logs, Subdomain Discovery API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

SSL Certificate Monitor — Expiry, CT Logs, Subdomain Discovery API in JavaScript

SSL Certificate Monitor — Expiry, CT Logs, Subdomain Discovery API through CLI

SSL Certificate Monitor — Expiry, CT Logs, Subdomain Discovery OpenAPI definition

SSL Certificate Monitor — Expiry, CT Logs, Subdomain Discovery API

SSL Certificate Transparency Scraper (crt.sh)

chrisp1211/certificate-search-scraper-max

Scrape SSL/TLS certificate transparency logs from crt.sh for any domain. Great for security audits and subdomain discovery. Returns common name, subdomains (SANs), issuer and validity. Pay per certificate; empty runs free.

Christian Pichichero

Domain Attack Surface — SSL + CT Logs + Breach History

gochujang/domain-attack-surface-suite

Complete external security posture for any domain in one run: SSL certificate expiry and chain, subdomain discovery via Certificate Transparency logs (crt.sh), and data breach history from Have I Been Pwned. No API key required for core checks.

Hojun Lee

Subdomain Finder, crt.sh Certificate Transparency Logs Search

snow_leo_data/crtsh-subdomain-finder

Subdomain finder past the crt.sh query limits: 7,236 subdomains of mercedes-benz.com where one crt.sh query returns 4. Certificate transparency logs search with duplicates merged, expiring and self-signed certificates flagged, and a watch mode for new certificates.

Snow Leo Data

SSL Certificate Monitor — Bulk Expiry & Chain Checker

accurate_pouch/ssl-monitor

Monitor SSL/TLS certificates in bulk. Expiry dates, issuer, protocol version, key size, certificate chain, SAN list. Webhook alerts for expiring certs. 5 domains free.

Manchitt Sanan

SSL Certificate Expiry Checker — Bulk

hipersoft/ssl-cert-expiry-check

Check SSL/TLS certificates for a list of domains: issuer, validity dates, days to expiry and chain problems. Catch expiring certificates before they cause outages.

hiper soft

Certificate Transparency & Subdomain Discovery Scraper

scrapers_lat/certificate-transparency-scraper

Discover subdomains and SSL/TLS certificates for any domain from public certificate transparency logs. Extract SAN hostnames, issuer, validity dates, wildcard and expiry flags. Perfect for attack-surface mapping, OSINT and asset inventory. Export to JSON, CSV or Excel.

Scrapers Lat

SSL/TLS Certificate Checker: Expiry & Chain Monitor

accountable_eel/tls-certificate-lookup

Look up any domain's TLS certificate history from public Certificate Transparency logs: issuer, validity window, and full SAN list for every certificate ever logged. No API key. Pay only for domains with certificates found.

Adrian Voss

crt.sh Certificate Transparency Scraper

parseforge/crtsh-certificate-transparency-scraper

Search crt.sh certificate transparency logs for a domain and discover subdomains. Get common name, SANs, issuer, validity dates, and serial number per certificate.

ParseForge

Certificate Transparency Scraper: Subdomain Discovery

arman-bd/certificate-transparency-scraper

Query certificate transparency logs via crt.sh to enumerate subdomains, issuers, validity windows and certificate history for any domain. Passive attack-surface discovery. no login, no proxy, no browser.

Arman Hossain

Subdomain Finder - Discover Subdomains via CT Logs

logiover/subdomain-finder

Discover every subdomain of any domain using Certificate Transparency logs (crt.sh). Fast bulk subdomain enumeration for security recon, attack-surface mapping, asset discovery and SEO. No API key — export to CSV or JSON.