You can access the SSL Certificate Checker 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 Integrations settings in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1import { ApifyClient } from 'apify-client';
2
3// Initialize the ApifyClient with your Apify API token
4// Replace the '<YOUR_API_TOKEN>' with your token
5const client = new ApifyClient({
6    token: '<YOUR_API_TOKEN>',
7});
8
9// Prepare Actor input
10const input = {
11    "domains": [
12        "github.com",
13        "google.com"
14    ]
15};
16
17// Run the Actor and wait for it to finish
18const run = await client.actor("rationalistic_counsel/ssl-certificate-checker").call(input);
19
20// Fetch and print Actor results from the run's dataset (if any)
21console.log('Results from dataset');
22console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
23const { items } = await client.dataset(run.defaultDatasetId).listItems();
24items.forEach((item) => {
25    console.dir(item);
26});
27
28// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

SSL Certificate Checker API in JavaScript

The Apify API client for JavaScript is the official library that allows you to use SSL Certificate Checker API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.

Install the apify-client

$npm install apify-client

Other API clients include:

SSL Certificate Checker API in Python

SSL Certificate Checker API through CLI

SSL Certificate Checker OpenAPI definition

SSL Certificate Checker API

Ssl Checker API

vivid_astronaut/ssl-checker

Fabio Suizu

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

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

SSL Certificate Transparency Search

ryanclinton/crt-sh-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.

ryan clinton

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

SSL Certificate Checker

nexgendata/ssl-certificate-checker

Check SSL/TLS certificates for any domain. Get issuer, expiry, chain info, and security grade for website security monitoring.

Stephan Corbeil

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

Network Security Scanner

dz_omar/network-security-scanner

The SSL Checker actor scans IPs or subnets for SSL certificate details using masscan. It retrieves response headers, titles, and redirected URLs for HTTP and HTTPS. Customize parameters and set result limits for efficient scanning

FlowExtract API

5.0

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.