Pricing

from $2.00 / 1,000 certificate transparency rows

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Crt Sh Scraper

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Pricing

from $2.00 / 1,000 certificate transparency rows

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Smorgi Apps

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Crt Sh Scraper API through CLI

The Apify CLI is the official tool that allows you to use Crt Sh Scraper locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

Crt Sh Scraper API in Python

Crt Sh Scraper API in JavaScript

Crt Sh Scraper OpenAPI definition

Crt Sh Scraper API

Subdomain Finder — Certificate Transparency (crt.sh)

bgfc97/crtsh-subdomain-finder

Discover subdomains of any domain from public Certificate Transparency logs (crt.sh). Attack-surface mapping and recon with first/last-seen dates. No key, no proxy.

Bruno

crt.sh Certificate Transparency Scraper

parseforge/crtsh-certificate-transparency-scraper

Queries the crt.sh certificate transparency log for one or more domains and returns each matching certificate as a flat row with issuer, validity dates, and covered domain names. Supports wildcard subdomain discovery and exports up to a million certificates per run.

ParseForge

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

Subdomain Finder & Reverse IP

canadesk/subdomain-finder-reverse-ip

Enumerate Subdomains and Reverse IPs with RapidDNS, Anubis, AlienVault and crt.sh! It's fast and costs little.

Canadesk Support

231

Domain Trust Monitor

mfapitools/domain-trust-monitor

Monitor WHOIS/RDAP, SSL certificates (crt.sh), and DNS records for domains. Detects changes (registrar change, DNS hijacking, SSL expiry) and alerts via webhook. Pay-per-event, no rental.

Mariano Ferreras

Ultimate URL Harvester — All Site URLs from 6 Archives

inexhaustible_glass/url-harvester

Get every known URL of any domain from Wayback Machine, Common Crawl, AlienVault OTX, URLScan, crt.sh and sitemap — merged & deduped. Block-proof, no API key.

Hitman studio

Disease.sh Global Stats Scraper

parseforge/disease-sh-global-stats-scraper

Scrapes global COVID-19 statistics from the Disease.sh API filtered by continent. Returns cases, deaths, recoveries, active, critical, and population per row.

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

Certificate Transparency Monitor — AI Agent Recon API

logiover/certificate-transparency-monitor

Keyless certificate transparency intelligence for AI agents: crt.sh CT logs. Track new TLS certs for any domain, discover subdomains via wildcard, batch domains. Issuer, validity, SAN domains and serial per row. No API key, no browser.

Logiover

Subdomain Enumeration via Certificate Transparency

perryay/subdomain-enumeration-ct-logs

Discover subdomains from Certificate Transparency logs using crt.sh and CertSpotter. Supports multi-source aggregation, deduplication, diff reporting, continuous monitoring, wildcard detection, and batch scanning — ideal for penetration testing, attack surface mapping, and security monitoring.