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Connectors / Data and analytics · HTTP Connector

Automate BuiltWith with Tray.ai

BuiltWith tracks which web technologies sites use, offering lookups by domain, lists of sites running a given technology, and related company and trend…

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What can you do with BuiltWith on Tray.ai?

BuiltWith tracks which web technologies sites use, offering lookups by domain, lists of sites running a given technology, and related company and trend data. Tray.ai connects to BuiltWith through the HTTP Connector, so your workflows can call the BuiltWith API alongside the rest of your stack.

  • Look up a domain's technologies for each new lead and add them to the record in your CRM.
  • List sites using a technology to build a target account list for your sales team.
  • Get domain technology changes monthly for key accounts and alert their account owner.
Connects through
HTTP Connector
Authentication
An API key in the query string
Base URL
https://api.builtwith.com

What the BuiltWith API covers

4 resources and 10 documented actions, each one a call the HTTP Connector can make from a Tray.ai workflow.

Domains

  • Look up a domain's technologies
  • Get domain technology changes
  • Find related domains

Technology lists

  • List sites using a technology
  • Get technology trends
  • Get technology recommendations

Companies

  • Find a company's domains
  • Get company financial data

Keywords

  • Get a domain's keywords
  • Search domains by keyword

Checked against BuiltWith's own documentation on 2026-11-07

api.builtwith.com

Frequently asked questions

What can a Tray.ai workflow do in BuiltWith?

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The BuiltWith API documents 10 actions across 4 resources (Domains, Technology lists, Companies, Keywords). For example: Look up a domain's technologies; List sites using a technology; Find a company's domains. A workflow can make any documented call through the HTTP Connector.

How does Tray.ai authenticate with BuiltWith?

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The BuiltWith API uses an API key in the query string. You save it once as a Tray.ai authentication, and the HTTP Connector adds it to every request.

See BuiltWith working against your stack.

We'll walk through a tailored demo with your systems plugged in.

Great — a couple more details

This helps us connect you with the right person. Optional, and you can skip it.