Website Technology Lookup API - Tech Stack

Detect 130+ technologies a website uses: CMS (WordPress, Shopify, Wix, Webflow), frameworks (React, Next.js, Vue), analytics and pixels, chat, CDN and hosting. Great for lead generation and competitor research.

Authentication & base URL

Subscribe through one of our marketplace listings; your marketplace API key and base URL are shown there. All endpoints return JSON over HTTPS, served from a global edge network (typically 20–150 ms).

Subscribe on RapidAPI

Endpoints

GET `/v1/tech`

Detect technologies

Parameter	In	Description	Example
`url` *	query	Website URL	`https://wordpress.org`

Example

GET /v1/tech?url=https%3A%2F%2Fwordpress.org

{
  "url": "https://wordpress.org/",
  "finalUrl": "https://wordpress.org/",
  "status": 200,
  "title": "Blog Tool, Publishing Platform, and CMS &#8211; WordPress.org",
  "technologies": [
    "WordPress",
    "Google Analytics 4",
    "Google Tag Manager",
    "Cloudflare",
    "Google Fonts",
    "HSTS"
  ],
  "categories": {
    "CMS": [
      "WordPress"
    ],
    "Analytics & tag managers": [
      "Google Analytics 4",
      "Google Tag Manager"
    ],
    "CDN & hosting": [
      "Cloudflare",
      "Google Fonts"
    ],
    "Web servers & languages": [
      "HSTS"
    ]
  },
  "details": [
    {
      "name": "WordPress",
      "category": "CMS",
      "version": "7.2"
    },
    {
      "name": "Google Analytics 4",
      "category": "Analytics & tag managers"
    },
    {
      "name": "Google Tag Manager",
      "category": "Analytics & tag managers"
    },
    {
      "name": "Cloudflare",
      "category": "CDN & hosting"
    },
    {
      "name": "Google Fonts",
      "category": "CDN & hosting"
    },
    {
      "name": "HSTS",
      "category": "Web servers & languages"
    }
  ],
  "server": "cloudflare"
}

Use cases

Lead generation (find Shopify/WordPress sites), competitor research, sales prospecting, market sizing.

Why this API

Fast: runs on a global edge network, typical response well under 1 second.
Reliable: simple JSON, clear error messages.
Fair pricing: Free plan 500 requests/month, Pro 25,000 for $4.99, Ultra 150,000 for $14.99.

Pricing

Free plan with 500 calls per month, then Pro (25,000 calls for $4.99/month) and Ultra (150,000 calls for $14.99/month). See all plans.