ToolsMAINTAINED10 tokens / call

Tech Stack API

Detect what any website is built with, in one call: CMS, e-commerce platform, analytics and tag managers, payment providers, JavaScript frameworks and meta-frameworks, server-side language and framework, web server, CDN, hosting platform, marketing and CRM tools, live-chat, A/B testing, search, maps, video, fonts and anti-bot services — matched against a curated, self-maintained fingerprint ruleset of 108 technologies. Each lookup performs one live fetch of the target page and matches static evidence only: response headers, cookie names, script and stylesheet URLs, meta tags and anchored HTML markers. Every detection returns the exact evidence that matched (the header, cookie, script URL or marker) and a confidence level — detected from direct evidence, or implied from a certain relationship, such as WooCommerce implying WordPress and Next.js implying React — with framework versions captured where the site exposes them. Scan one site, or up to 10 concurrently in a batch with per-target errors reported inline; list the full detectable catalogue so you know exactly what a scan can and cannot find. Ideal for sales prospecting and lead enrichment (what does this prospect run?), competitor analysis, migration planning and market-share research. Non-public targets are refused, and the ruleset is this provider's own — no third-party detection service behind it.

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response.json

{
  "ok": true,
  "url": "https://www.allbirds.com/",
  "final_url": "https://www.allbirds.com/",
  "status": 200,
  "technologies": [
    {
      "name": "Cloudflare",
      "category": "CDN",
      "version": null,
      "confidence": "detected",
      "evidence": [
        "header cf-ray: a3b7cd7f3c26d305-BOG"
      ]
    },
    {
      "name": "Shopify",
      "category": "E-commerce",
      "version": null,
      "confidence": "detected",
      "evidence": [
        "script https://cdn.shopify.com/s/files/1/1104/4168/files/jsEncrypt.js?v=1756910700",
        "html marker /Shopify\\.theme/"
      ]
    },
    {
      "name": "Shop Pay",
      "category": "Payments",
      "version": null,
      "confidence": "detected",
      "evidence": [
        "script https://shop.app/checkouts/internal/preloads.js?locale=en-US&default_configuration_id=2737373264&sho"
      ]
    },
    {
      "name": "Google Tag Manager",
      "category": "Tag manager",
      "version": null,
      "confidence": "detected",
      "evidence": [
        "html marker /googletagmanager\\.com/ns\\.html/"
      ]
    }
  ],
  "by_category": {
    "CDN": [
      "Cloudflare"
    ],
    "E-commerce": [
      "Shopify"
    ],
    "Payments": [
      "Shop Pay"
    ],
    "Tag manager": [
      "Google Tag Manager"
    ]
  },
  "fetched_at": "2026-09-15T12:58:24.776Z"
}

3endpoints

10tokens / call

99.9%uptime SLA

Lowavg latency

Why developers pick this API

Production-ready

Production Ready

Battle-tested infrastructure with a 99.9% uptime SLA. Rate limits are generous, responses are consistent.

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Standard REST + JSON. Works with any HTTP client. Copy-ready code snippets in 4 languages.

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Code snippets

One install. Every endpoint.

No proprietary SDKs needed. Any HTTP client works. Pick your language and paste.

3languages

3endpoints

RESTarchitecture

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One key works across 20+ APIs on the platform

import axios from 'axios';

const { data } = await axios.get(
  '{API_URL}',
  { headers: { 'X-Api-Key': process.env.API_KEY } }
);

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Developer playground

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Available Endpoints

Request Parameters

API URL

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Headers

X-Api-Key

Query Parameters

url(Optional)

Path Parameters

target

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Target:

Client:

import axios from 'axios';

const url = '{API_URL}';
const { data } = await axios.get(url, {
  headers: { 'X-Api-Key': 'YOUR_API_KEY' }
});

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