Get domain names from lists of company names you supply to us.
The general access method is as follows -
https://ctu.builtwith.com/ctu2/api.[xml|json]?KEY=[YOUR KEY]&COMPANY=[Company Name]
You must provide your API key in each lookup. See the examples for how this works.
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Get Domain Company Name Example
XML Get Domain Company
JSON Get Domain Company
The following GET parameters can be supplied for lookups
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Company name URL encoded.
The Company to URL API will respond with a document in the format -
Company are the websites we think the company is related to.
||The domain we think the company name is related to
||Hotels Combined Pty Ltd
||The company name record we have for the domain.
||The technology spend brack for the domain in USD per month estimated.
||The BuiltWith Top Site rank for the domain (lower is better).
||The page rank for the website (lower is better).
||The country of the domain if we've found an address
||The state of the domain if we've found an address
||The postcode/zip of the domain if we've found an address
||The city of the domain if we've found an address
||Array of social links for the domain
Results are ordered by the most premium result - which is generally the most relevant domain for the company name.
JSON/XML have integrations in all modern programming languages. Here's some StackOverflow topics for various languages - Python, C#, Java, PHP, C++, TSQL and Ruby.
Note error messages in this format cannot be guaranteed, your implementation should also consider non-200 response codes as errors. The Lookup property will be null (json) or not provided (xml) if the error is server related. View all potential well-formed error codes.
Our standard terms cover the use all of our APIs.
In general, you can use the API to enhance your product in many ways. The only limitation is you cannot resell the data as-is or provide duplicate functionality to builtwith.com and its associated services.