You can access the Subdomain Finder & SSL Certificate Transparency Monitor 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 = {
9    "domains": ["example.com"],
10    "daysBack": 30,
11    "maxItems": 20,
12}
13
14# Run the Actor and wait for it to finish
15run = client.actor("northbound-labs/ct-new-certificates-feed").call(run_input=run_input)
16
17# Fetch and print Actor results from the run's dataset (if there are any)
18print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
19for item in client.dataset(run.default_dataset_id).iterate_items():
20    print(item)
21
22# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Subdomain Finder & SSL Certificate Transparency Monitor API in Python

The Apify API client for Python is the official library that allows you to use Subdomain Finder & SSL Certificate Transparency Monitor API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

Subdomain Finder & SSL Certificate Transparency Monitor API in JavaScript

Subdomain Finder & SSL Certificate Transparency Monitor API through CLI

Subdomain Finder & SSL Certificate Transparency Monitor OpenAPI definition

Subdomain Finder & SSL Certificate Transparency Monitor API

Threads Search Scraper — Keyword Search to JSON

northbound-data/threads-search-scraper

Search public Threads (Meta) by keyword and get clean structured JSON: text, author, timestamp, likes, replies, reposts. No login or cookies. Duplicates across keywords are removed, so you are never billed twice for the same post.

Northbound Data

SSL Certificate Checker

scrappy_garden/ssl-certificate-checker

Check SSL/TLS certificates for any website: expiration date, issuer, subject, hostname match (SNI), chain/authorization status, and common HTTPS misconfigurations. Useful for SEO audits, security checks, and uptime monitoring.

Bikram Adhikari

Threads Scraper — Posts, Profiles, Replies & Search

northbound-data/threads-scraper

Extract public Threads (Meta) data — posts, replies, profiles, keyword search — as clean structured JSON. No login or cookies. Recommended posts are filtered out, so replies are actually replies. Structure-adaptive parser that survives Meta's changes.

Northbound Data

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.

Automation Lab

SSL Certificate Checker — Bulk Expiry & Chain Monitor

nexgendata/ssl-certificate-checker

Bulk SSL/TLS certificate checker: for a list of domains, returns validity, expiry/days-remaining, issuer, subject, SANs, protocol, and cipher. For DevOps, security, and cert-expiry monitoring.

NexGenData

SSL Certificate Checker - Domain TLS Expiry & KYB API

pink_comic/ssl-certificate-checker

Bulk SSL/TLS certificate checker for domain KYB and HTTPS audits: expiry, issuer, SANs, chain validation, TLS version, and cipher evidence. Catch expired or misconfigured certs before outages. Related: whois-domain-lookup, dns-lookup-records, website-tech-stack-scanner.

Ava Torres

Subdomain Finder & Recon Tool

andok/subdomain-finder

Discover subdomains for any target via passive OSINT sources. Ideal for security bug bounties and attack surface mapping.

Andok

SSL/TLS Certificate Scraper

taroyamada/ssl-certificate-monitor

Monitor SSL certificates. No API key / no login. Open Input → leave defaults → Start (1 domain ≈ USD 0.009/row): https://console.apify.com/actors/LoRcTFSLQ2q3SiTGz/input

naoki anzai

SSL Certificate Checker

bgfc97/ssl-certificate-checker

Check TLS/SSL certificates for many hosts: issuer, valid-from/to, days until expiry, expired/expiring-soon flags, SAN domains and trust status. For uptime & certificate-expiry monitoring. No key, no proxy.

Bruno

Subdomain Finder — Passive Enumeration & Discovery (Subfinder)

ntriqpro/subfinder-osint

Discover subdomains of any domain fast using the open-source Subfinder engine — passive enumeration from dozens of public sources (certificate transparency, DNS datasets, search engines). For attack-surface mapping and authorized security research.