BuiltWith Keywords API

Introduction

API endpoint that allows you to get access to keywords connected to websites.

The general access method is as follows -
https://api.builtwith.com/kw2/api.[xml|json]?KEY=[YOUR KEY]&LOOKUP=[DOMAIN NAME]

Authentication

You must provide your API key in each lookup. See the examples for how this works.

Login or Create a Free Account to get your API key.

Get Domain Example

XML Get Single Domain
https://api.builtwith.com/kw2/api.xml?KEY=[YOUR KEY]&LOOKUP=hotelscombined.com

JSON Get Single Domain
https://api.builtwith.com/kw2/api.json?KEY=[YOUR KEY]&LOOKUP=builtwith.com

Reference

Parameters

The following GET parameters can be supplied for lookups

Name	Examples	Required
KEY	00000000-0000-0000-0000-000000000000 Sign up for Free or Login to get a key.	Yes
LOOKUP	cnn.com ycombinator.com Only root domains work with the Keyword API (not internal pages or subdomains) Multi-Lookup Option When doing RAW domain lookups, you can parse up to 16 domains at once as a CSV. For example cnn.com,about.com,builtwith.com - this dramatically improves throughput.	Yes

Responses

The Keyword API will respond with a document in the format -

Keywords[Keyword->Keywords[kw]]

Keyword

Keyword is the top level response that identifies the lookup.

Name	Example	Description
Domain	hotelscombined.com	The domain that was looked up.
Keywords	A list of keywords found on the webpage	The list of keywords found on the domain