BuiltWith API

JSON and XML Data APIs

Domain API
Domain API

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

Bulk Drop
Bulk Drop Domain API

Domain API but delivered as bulk compressed JSONL files via Drag and Drop interface allowing very high throughput and processing.

Bulk FTP
Bulk FTP Domain API

Domain API but delivered as bulk compressed JSONL files via FTP/SFTP allowing very high throughput and processing.

Financial API
Financial API

Provides financial information for websites.

Free API
Free API

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

Lists API
Lists API

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

Relationships API
Relationships API

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

Tags API
Tags API

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

Recommendations API
Recommendations API

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

Social API
Social API

XML and JSON lists of domains related to their social media profile URLs.

Redirects API
Redirects API

Live and historical website redirects data.

Keywords API
Keywords API

Lists of websites using specific keywords.

Trends API
Trends API

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

Company to URL API
Company to URL API

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

Domain Live API
Dedicated Domain Live API

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

Trust API
Trust API

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

Datasets
Datasets

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

Firehose
Firehose

BuiltWith Firehose allows you to do large scale live technology lookups across hundreds of millions of websites in minutes.

Snowflake

Manage larger technology based datasets in Snowflake. We can create custom data products for you based on your requirements.