POST/v1/email/technology

Technology Lookup API

Detect the technology stack a company's website runs on.

Return the technologies a company's website is built with — CMS, analytics, payment, hosting, frameworks, and more — each with a name, slug, and vendor website. Ideal for tech-based lead scoring, competitive intelligence, and targeting prospects by the tools they already use.

Full Docs Get API Key — Free $5 Credit $0.02 / call

Try it live

Fill in the fields and hit Run to see a real response.

POST/v1/email/technologytechnology$0.02/call

Response

Example response — hit "Send Request" to see a live result

{
  "data": {
    "domain": "stripe.com",
    "technologies": [
      {
        "category": null,
        "name": "Contentful",
        "slug": "contentful",
        "website": "contentful.com"
      },
      {
        "category": null,
        "name": "React",
        "slug": "react",
        "website": "reactjs.org"
      },
      {
        "category": null,
        "name": "Google Analytics",
        "slug": "google-analytics",
        "website": "google.com"
      },
      {
        "category": null,
        "name": "Amazon Web Services",
        "slug": "amazon-web-services",
        "website": "aws.amazon.com"
      },
      {
        "category": null,
        "name": "Nginx",
        "slug": "nginx",
        "website": "nginx.org"
      },
      {
        "category": null,
        "name": "Algolia",
        "slug": "algolia",
        "website": "algolia.com"
      }
    ]
  },
  "ok": true
}

Features

✓

Full detected tech stack

Lists every technology found on the domain, from frameworks and CMS to analytics, payment, and CDN, so you see how a company builds and runs its site.

✓

Structured, machine-readable results

Each technology returns a name, slug, and vendor website, ready to store, filter, or match against your ideal-customer tech profile.

✓

Tech-based targeting

Find companies using a specific competitor or complementary tool and prioritize them for outreach.

✓

Competitive intelligence

See what a competitor's site runs on to benchmark stacks and spot integration opportunities.

Use cases

Tech-Based Lead Scoring

Score and prioritize accounts by whether they use the tools your product integrates with or replaces.

Competitive Displacement

Target companies running a competitor's technology with tailored switch messaging.

Integration Discovery

Find prospects already using platforms you plug into for faster, more relevant pitches.

Quick start

Copy this snippet and start making calls.

const res = await fetch('https://api.yepapi.com/v1/email/technology', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "domain": "stripe.com"
  }),
});
const data = await res.json();
console.log(data);

The technology lookup API — a company's tech stack

The Technology Lookup API detects the technologies a company's website runs on — CMS, analytics, payment, hosting, and frameworks — each returned with a name, slug, and vendor website. It powers tech-based lead scoring, competitive displacement, and integration targeting.

At $0.02 per domain with $5 of free credit and no minimums, it's a pay-per-lookup alternative to BuiltWith. Combine it with enrichment and Domain Search to build tech-qualified account lists under one YepAPI key.

Start making API calls in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

Get API Key — Free $5 Credit

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
Marcus T.
SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
Priya S.
Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Jake R.
Indie Hacker

Frequently asked questions

Each API call costs $0.02. No monthly minimums or subscriptions — you only pay for what you use.

Sign up for a free API key, then send a POST request to /v1/email/technology. Check the code example above for a ready-to-use snippet in JavaScript, cURL, or Python.

YepAPI bundles SEO, AI, and web scraping APIs under one key with no monthly minimums. You get lower per-call pricing, a unified dashboard, and one billing account instead of managing multiple providers.