BuiltWith API

JSON and XML Data APIs

Domain API

Provides access to the current and historical technology information of a website and additional meta data where available.

JSON
https://api.builtwith.com/v22/api.json?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
XML
https://api.builtwith.com/v22/api.xml?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
CSV
https://api.builtwith.com/v22/api.csv?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
Lists API

Provides XML and JSON access to lists of websites using particular web technologies across the entire internet.

JSON
https://api.builtwith.com/lists12/api.json?KEY=00000000-0000-0000-0000-000000000000&TECH=Shopify
XML
https://api.builtwith.com/lists12/api.xml?KEY=00000000-0000-0000-0000-000000000000&TECH=Shopify
TXT
https://api.builtwith.com/lists12/api.txt?KEY=00000000-0000-0000-0000-000000000000&TECH=Shopify
CSV
https://api.builtwith.com/lists12/api.csv?KEY=00000000-0000-0000-0000-000000000000&TECH=Shopify
TSV
https://api.builtwith.com/lists12/api.tsv?KEY=00000000-0000-0000-0000-000000000000&TECH=Shopify
Relationships API

XML,JSON, CSV and TSV results of relationships between websites that show what sites are linked together, by what and for how long.

JSON
https://api.builtwith.com/rv4/api.json?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
XML
https://api.builtwith.com/rv4/api.xml?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
CSV
https://api.builtwith.com/rv4/api.csv?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
TSV
https://api.builtwith.com/rv4/api.tsv?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
Free API 🆓

Provides last updated and counts for technology groups and categories for websites.

JSON
https://api.builtwith.com/free1/api.json?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
XML
https://api.builtwith.com/free1/api.xml?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
Company to URL API

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

JSON
https://api.builtwith.com/ctu3/api.json?KEY=00000000-0000-0000-0000-000000000000&COMPANY=hotelscombined
XML
https://api.builtwith.com/ctu3/api.xml?KEY=00000000-0000-0000-0000-000000000000&COMPANY=hotelsombined
Tags API

XML and JSON lists of related domains to IPs and other site attributes.

JSON
https://api.builtwith.com/tag1/api.json?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=IP-75.126.76.154
XML
https://api.builtwith.com/tag1/api.xml?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=IP-75.126.76.154
Recommendations API

The technology recommendations for websites based on other sites with similar technology profiles.

JSON
https://api.builtwith.com/rec1/api.json?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
XML
https://api.builtwith.com/rec1/api.xml?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
Redirects API

Live and historical website redirects data.

JSON
https://api.builtwith.com/redirect1/api.json?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
XML
https://api.builtwith.com/redirect1/api.xml?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
Keywords API

Lists of websites using specific keywords.

JSON
https://api.builtwith.com/kw2/api.json?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
XML
https://api.builtwith.com/kw2/api.xml?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=hotelscombined.com
Trends API 🆓

XML and JSON access to the technology trends data found on BuiltWith Technology Trends.

JSON
https://api.builtwith.com/trends/v6/api.json?KEY=00000000-0000-0000-0000-000000000000&TECH=Shopify
XML
https://api.builtwith.com/trends/v6/api.xml?KEY=00000000-0000-0000-0000-000000000000&TECH=Shopify
Product API

Use the Product API to find websites selling certain eCommerce products.

JSON
https://api.builtwith.com/productv1/api.json?KEY=00000000-0000-0000-0000-000000000000&QUERY=Adidas%20Yeezy
Trust API

Use the Trust API to determine how much a website can be trusted. Useful for fraud detection.

JSON
https://api.builtwith.com/trustv1/api.json?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=builtwith.com
XML
https://api.builtwith.com/trustv1/api.xml?KEY=00000000-0000-0000-0000-000000000000&LOOKUP=builtwith.com
Bulk Domain API

Drop a bulk list of domains into the frontend or programmatically for fast bulk API access.

MCP API

Model Context Protocol API allows you to use the BuiltWith API endpoints as tools within an AI LLM system via our endpoint.

Dedicated Domain Live API

Get detailed live technology usage profiles for websites with your own dedicated end points that provide higher throughput.

Datasets

BuiltWith Datasets provide mass access to Internet Technology usage information from 2000 to today.

Snowflake - Databricks - Redshift - BigQuery and more

Manage larger technology based datasets in datalakes. We can create custom data products for you based on your requirements or use our datasets product

Bots

Explore our bot experiment results and see how BuiltWith consistently identifies websites faster than anyone else.

Copied to clipboard!