Company to URL API

Convert Company Names to Website URL Domains

Get domain names from lists of company names you supply to us.

Your Company To URL API Key -

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Keywords API Documentation


The following GET parameters can be supplied for lookups

Name Examples Required
KEY 00000000-0000-0000-0000-000000000000
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Company name URL encoded.

Bring back domains in order of priority - the first result is generally the one we think the website is.
TLD com

Set the priority extension - if you know the country of the company supply the most likely TLD. i.e. for United Kingdom use 'uk'


The Company to URL API will respond with a document in the format -


A string array with the results - if the AMOUNT property is greater than 1 the results are listed in decreasing match score.


Connection points for the BuiltWith Company to URL API.

XML Response Endpoint

JSON Response Endpoint


Example endpoint responses. These do not count towards your credits.

XML Lookup for domain

JSON Lookup for domain

Error Codes

Error codes are wrapped in result objects.

Bad key supplied example error

Note error messages in this format cannot be guaranteed, your implementation should also consider non-200 response codes as errors.

Terms and Conditions of Use

Our standard terms cover the use of the BuiltWith Company To URL API.

In general, you can use the Company to URL API to enhance your product in many ways. The only limitation is your cannot resell the data as-is or provide duplicate functionality to and its associated services.