Programmatic access to technographic data

The Wappalyzer APIs provide instant access to website technology stacks, contact details and social media profiles. Track your prospects' technology choices, examine large numbers of websites or enrich your own datasets with technographic insights.

Lookup API

Perform near-instant technology lookups with the Lookup API. Results are fetched from our comprehensive database of millions of websites. If we haven't seen a domain before, we'll index it immediately and report back within minutes.

Crawl API

Identify the technologies used on any public website in real-time. Results are always guaranteed up-to-date and delivered within minutes.

Instant results
Site-wide results
Real-time analysis
Phone numbers and emails *
Historic data *
Traffic indicator *
Response type
Data format
Most popular
Lookup API
Look up websites in our comprehensive database. Read more.
Crawl API
Crawl and analyse websites in real-time. Read more.
Results ready in minutes
* Subject to availability

Example request

curl -H "x-api-key: <your api key>" "https://api.wappalyzer.com/lookup/v2/?urls=https://example.com&sets=locale,social,contact"

Example response

  "url": "https://example.com",
  "technologies": [
      "slug": "craft-cms",
      "name": "Craft CMS",
      "versions": [ "3.0.0" ],
      "categories": [
          "id": 1,
          "slug": "cms",
          "name": "CMS"
  "email": [ "info@example.com" ],
  "phone": [ "+1 (555) 555-5555" ],
  "linkedin": [ "company/example" ],
  "ipCountry": "US",
  "ipRegion": "CA",
  "language": "en"
Apps & integrations

Wappalyzer works with the tools you use every day.


See the technologies of websites you visit in your browser.


See the technologies of websites you visit in your browser.


See the technologies of websites you visit in your browser.


See the technologies of websites you visit in your browser.


See the technology stacks of your leads in your CRM.


Connect Wappalyzer to the apps you use, no code required.


See the technology stacks of your contacts in Gmail.


Wappalyzer in your pocket.

Wappalyzer is trusted by thousands of professionals world-wide

"Wappalyzer has proven to be a great tool to help us break down the aggregate analysis of how the web is doing by various technologies."

Ilya Grigorik
Director, Developer Relations at Google

"These days you need advanced marketing tools to stand out from the competition. Wappalyzer help us do just that."

Thomas Alibert
Growth Engineer at PayFit

"Wappalyzer has been hugely valuable to slice performance data by the various detected applications at WebPageTest.org."

Patrick Meenan
Engineering Fellow at Catchpoint

"Wappalyzer has been such a useful part of the HTTP Archive dataset. It's enabled us to slice the data in new ways and discover more interesting insights about the state of the web."

Rick Viscomi
Senior Developer Relations Engineer at Google

"Wappalyzer is helping our sales teams to understand prospects better and faster by having a clear view on their techstack."

Rabin Nuchtabek
Chief Growth Engineer at Skedify

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