# BuiltWith alternatives for AI agents

A lookup service that shows which technologies a website uses. Verdict for an agent running looot: kinda. See the jobs it covers and other tools in the same.

## The honest answer

A lookup service that shows which technologies a website uses. For an AI agent running looot, the verdict on BuiltWith is kinda. 3 of the 5 jobs we compared are covered and 1 more partly.

Covered: technologies on one site, company data for a domain and scrape a site's page source.

Partly covered: sites that use a technology.

Not covered: technology history. For these, keep BuiltWith or use another tool beside looot.

## Other tools in the same job

- Similarweb (/can-i-replace/similarweb): verdict kinda.
- Crunchbase (/can-i-replace/crunchbase): verdict yes.
- Perplexity (/can-i-replace/perplexity): verdict kinda.
- Feedly (/can-i-replace/feedly): verdict kinda.
- SparkToro (/can-i-replace/sparktoro): verdict kinda.
- Exploding Topics (/can-i-replace/exploding-topics): verdict kinda.

## Or let your agent do the BuiltWith jobs

- Technologies on one site: covered. Providers: people-data-labs, thecompaniesapi.
- Company data for a domain: covered. Providers: people-data-labs, coresignal, thecompaniesapi.
- Scrape a site's page source: covered. Providers: diffbot, jina, firecrawl, zyte-api.
- Sites that use a technology: partly covered. Providers: people-data-labs. Search by technology works on the provider's own index, so coverage varies.
- Technology history: not covered. looot does not keep a record of past site stacks.

## Agent prompt to replace BuiltWith

Use looot to tell me which technologies each website I give you uses, and list any that match a technology I name. If you have not yet, set up https://looot.ai/skill.md first. Then search the looot catalog for each step, check the price of each endpoint before you call it, run the cheapest one that fits, and show me the results as a table.

## BuiltWith versus an agent running looot

- What it is: A lookup service that shows which technologies a website uses. | Your own agent calling looot endpoints and writing the result where you ask.
- Jobs compared: 5 jobs | 3 covered, 1 partly
- Not covered: technology history | 1 job the agent cannot do through looot
- How you use it: The BuiltWith app | A prompt to the agent you already use
- How you pay: See BuiltWith for its own terms | Pay per call, with the price shown before each run
- Last reviewed: 2026-10-02 | Prices read live from the catalog

## What are the best BuiltWith alternatives?

Tools in the same category include Similarweb, Crunchbase, Perplexity, Feedly, SparkToro and Exploding Topics. We do not rank them as best. Pick by the jobs you need done, and compare the jobs listed on this page.

## Is there a BuiltWith alternative for AI agents?

It depends on the job. An agent running looot gets a verdict of kinda for BuiltWith: 3 of 5 jobs covered, 1 partly.

## Is there a free BuiltWith alternative?

looot is not free. It is pay per call, and each endpoint shows its price before the run, so you can see what a BuiltWith job costs before you start. We do not state what BuiltWith costs.

## BuiltWith vs looot, which fits an agent?

BuiltWith is an app you open and use. looot is a catalog of endpoints your own agent calls. BuiltWith vs looot comes down to whether you want an app or an agent doing the jobs, and whether the jobs you need are in the covered list.

## Which BuiltWith jobs can an agent do with looot?

technologies on one site, company data for a domain, scrape a site's page source and sites that use a technology. Coverage is checked against the live catalog, so a job drops to not covered when no priced endpoint exists.

## Which BuiltWith jobs can an agent not do?

technology history. Keep BuiltWith for these, or use another tool beside looot.

## How do I replace BuiltWith with an agent?

Set up looot from https://looot.ai/skill.md, then paste the prompt on this page into the agent you already use. Edit it to match your own inputs.

## How does looot price a BuiltWith alternative?

looot charges per call. The jobs above show the cheapest live price for each, read from the catalog. When no priced endpoint exists the page says price on request.

## More

- /can-i-replace/builtwith
- Category: Research
- /alternatives