Pricing

from $4.00 / 1,000 domain analyzeds

Try for free

Go to Apify Store

Tech Stack Detector & WHOIS, SSL Checker: BuiltWith Alternative

Try for free

Detect any website's tech stack (7,000+ technologies, Wappalyzer & BuiltWith alternative) plus WHOIS domain age and expiry, DNS, SPF/DMARC, email provider, SSL certificate expiry, hosting, security grade and SEO audit. Bulk domains or a Google Sheet; one JSON per domain.

Pricing

from $4.00 / 1,000 domain analyzeds

Rating

0.0

(0)

Developer

Fernando Guiraud

Actor stats

Bookmarked

Total users

Monthly active users

a day ago

Last modified

Tech Stack Detector, WHOIS & SSL Checker API API through CLI

The Apify CLI is the official tool that allows you to use Tech Stack Detector & WHOIS, SSL Checker: BuiltWith Alternative 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:

Tech Stack Detector & WHOIS, SSL Checker: BuiltWith Alternative API in Python

Tech Stack Detector & WHOIS, SSL Checker: BuiltWith Alternative API in JavaScript

Tech Stack Detector & WHOIS, SSL Checker: BuiltWith Alternative OpenAPI definition

Tech Stack Detector & WHOIS, SSL Checker: BuiltWith Alternative API

Domain Authority Checker - Open Data, No Moz or Ahrefs Login

kantolabs/domain-authority-checker

Bulk domain authority 0-100 for any list of domains, computed from the Common Crawl web graph of 133M domains: harmonic-centrality and PageRank rank, top-% percentile, subdomain count and monthly rank trend. No Moz, Ahrefs or Semrush account, no scraping.

Kanto Labs

Bulk WHOIS, DNS & SSL Lookup — Domain Intelligence API

fetchbase/domain-dns-intelligence

Full domain intelligence in one call: all DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA), registration via RDAP/WHOIS (registrar, creation/expiry dates, status, DNSSEC), and live SSL certificate details. Flags unregistered domains. Charged per domain — no startup fee.

Fetchbase

Website Technology Checker by Domain | Launch 30% Off

winningsolutions/website-technology-stack-lookup

Run a website technology checker on your domain list. One row per domain with tech stack names, categories, and last_visited. Index lookup without fetching the site. No proxy, WHOIS, DNS, or SSL.

Winning Solutions

OSINT Website Intelligence Analyzer

onescales/website-intelligence-analyzer-osint

All-in-one website analysis tool. Run 30 OSINT checks on any URL — DNS, SSL, WHOIS, tech stack, security headers, email security, open ports, and more. Get a complete site profile in seconds.

One Scales

146

5.0

(3)

SEO & Web Analysis MCP — Crawl, Tech & DNS for Agents

nexgendata/seo-web-analysis-mcp-server

MCP server exposing on-page crawl, tech-stack detection, DNS, SSL and WHOIS as agent tools. Connect Claude, Cursor, n8n or the OpenAI Agents SDK.

NexGenData

Domain Intelligence API: whois, DNS, SSL, tech stack

hereditary_model/domain-intelligence

One call returns a complete domain dossier: registration age, DNS, SSL, tech stack, site size, socials, and a trust score. Built for due diligence agents.

Aaron Marxsen

Company Enrichment API - Domain to Buyer Fit Brief

george.the.developer/company-enrichment-api

Enrich company data from any domain: look up company info by website and get firmographics, tech stack, contacts, WHOIS, DNS, SEO metadata, plus an optional Buyer Fit Brief for sales teams. Clearbit alternative for B2B lead enrichment.

George Kioko

157

Domain, DNS & WHOIS Intelligence

tindacloud/domain-dns-intelligence

Seungki Min

GuardHawk — Domain Security Audit: SSL, DNS, Takeover Risk

inexhaustible_glass/domain-health-audit

Full domain security audit in one call: SSL/TLS, DNS, SPF/DKIM/DMARC, security headers, WHOIS, blacklist, tech stack — PLUS subdomain-takeover risk and public S3-bucket exposure detection, which no other domain-audit tool checks. Returns a 0-100 health score + fix list. No API key, no login.

Hitman studio

SSL Certificate Inspector - TLS Audit & Expiry Monitor

santamaria-automations/ssl-certificate-inspector

Inspect SSL/TLS certificates for any domain: chain validation, expiry dates, cipher suites, TLS versions, subject alt names, issuer details, and security scoring. Export data, run via API, schedule and monitor runs, or integrate with other tools.

NanoScrape

Domain, DNS and SSL Report (bulk health check)

steadydata/domain-dns-ssl-report

One health report per domain, up to 500 per run: registration and expiry from the official RDAP registry, DNS records with mail and nameserver provider, SPF and DMARC policy, the TLS certificate with days remaining, and a ranked list of issues. Official protocols only.