BuiltWith

BuiltWith profiles websites to show the technologies and online activity associated with them. It supports research into technology adoption, competitive analysis, ecommerce discovery, lead generation, and business intelligence. BuiltWith says it tracks 127,671 web technologies and has usage lists covering more than 370 million active domains, with over 18 years of historical usage data available through its plans. Users can find ecommerce sites and products, filter reports by category, region, or technology, and export results. Sales teams can use technology overlap to identify potential leads, while uploaded website lists can be analyzed and exported as metadata or technology matrices in Excel or CSV. The service offers API access with XML and JSON feeds, plus extensions for Chrome, Firefox, and Edge. Individual website lookups are free, and the Free plan allows 10 detailed lookups per day. Paid plans start at $144.00 per year. Monthly plans have a minimum one-month term and yearly plans a minimum one-year term; both can be canceled at any time. BuiltWith is based in Sydney, Australia, and was founded in 2007.

BuiltWith brings website technology profiles, ecommerce research, exports, and lead discovery into one service. Free lookups offer a starting point, while paid plans provide access to additional data and capabilities.

BuiltWith suits sales and research teams investigating website technologies, ecommerce activity, and potential leads. It also supports users who need API feeds, exports, or browser extensions.

BuiltWith is a website-technology intelligence platform for ecommerce research, competitive analysis, and sales prospecting. It is best suited to teams that use technology adoption as a way to study markets or identify potential customers. Free lookups are useful for occasional checks, but sustained research comes with substantial paid-plan costs and commitments.

Overview

BuiltWith tracks 127,671 web technologies across more than 370 million active domains, and its plans provide access to more than 18 years of technology-usage history. That scope makes it useful for studying adoption patterns and comparing competitors, as well as building technology-based prospect lists. Its dataset is drawn from publicly accessible websites and observable internet signals, rather than password-protected or restricted systems.

BuiltWith says it is PCI DSS monitored by SecurityMetrics; its data centers are ISO/IEC 27001, SOC 1 Type II, and SOC 2 Type II certified, and servers processing personal data are HSTS enabled. Telephone and email support are available seven days a week.

Key features

Technology-led prospecting

Technographic filters let users narrow websites by the technologies they adopt. Future Customers uses technology overlap to recommend potential leads, which suits sales teams with a clear web-stack qualification signal. It is less compelling when prospecting depends on criteria unrelated to website technology.

Ecommerce and list research

Users can find ecommerce websites and products, filter reports by category, region, and technology, then export results. Teams can also analyze uploaded website lists and export report metadata and technology-usage matrices to Excel or CSV. These tools connect market research with list-based analysis, though the export and research capabilities sit alongside a steep jump from free access to paid plans.

API, integrations, and extensions

The API provides XML and JSON feeds, and BuiltWith says AI agents can connect through its APIs, MCP tools, and AI-ready SDKs. CRM integrations include Salesforce, HubSpot, Pardot, Zoho CRM, Close.io, and Microsoft Dynamics 365. Browser extensions are available for Chrome, Firefox, and Edge. This range suits teams incorporating website-technology signals into existing workflows, rather than users who only need a one-off lookup.

Pricing

BuiltWith is freemium. Its Free plan costs nothing and allows 10 detailed lookups per day; individual website lookups are free to use forever. That is a sensible starting point for occasional checks, but not a substitute for broader research or higher-volume access.

Advanced costs $144 a year, with a one-year minimum and unlimited detailed lookups through a single-login dashboard. It is the lowest-cost paid option for an individual who needs frequent lookups, but the single login does not suit a shared team workflow.

Basic costs $295 a month, with a one-month minimum. It includes 2 technologies, 2 keywords, 2 retail reports, 1 system login, 2,000 API credits per month, and 300,000 synced leads or contacts. It offers defined research and API allowances, but the limits on technologies, keywords, and reports constrain broader analysis.

Pro costs $495 a month, with a one-month minimum. It removes the technology, keyword, and retail-report limits, while keeping 1 system login and raising the monthly API allowance to 20,000 credits; synced leads or contacts remain capped at 300,000. It fits a single-user operation that needs broader reporting, but not teams needing multiple logins.

Team costs $995 a month, with a one-month minimum. It includes unlimited technologies, keywords, retail reports, and logins, plus 100,000 API credits per month and 300,000 synced leads or contacts. The higher price is most defensible when several people need access or API use is substantial. Monthly plans have a one-month minimum and yearly plans a one-year minimum; plans can be canceled at any time.

Platforms

BuiltWith is available on the web, through an API, and as a browser extension. The extensions support Google Chrome, Mozilla Firefox, and Microsoft Edge.

Who it's for

BuiltWith is a strong fit for sales, ecommerce, and research teams that want to identify sites by technology use, investigate online retail activity, or analyze adoption over time. It is less suited to people who need only occasional lookups beyond the free allowance, teams that cannot justify the paid plans, or prospectors whose targeting does not depend on web technologies.

Pros and cons

• Pros: Broad technology coverage and more than 18 years of usage history support both current prospecting and longer-term adoption research.
• Pros: Ecommerce filters, website-list analysis, and Excel or CSV exports support several research workflows in one service.
• Pros: API access, CRM integrations, and browser extensions provide multiple ways to use technology signals.
• Cons: The Free plan is limited to 10 detailed lookups per day, while the first paid plan requires a one-year minimum.
• Cons: Basic and Pro each allow only one system login, and their monthly prices are substantial for teams with modest research needs.
• Cons: Basic restricts technologies, keywords, and retail reports to two each, so broader work requires Pro or Team.

Alternatives

Wappalyzer is worth considering for a lower-cost, broader-platform starting point: its free plan includes 50 technology lookups per month, 50 email verifications, five website alerts, and sample lead lists, with support for Android, iOS, extensions, API, self-hosted, and web use. Its free trial may also suit someone wanting to assess a paid option before committing.

Coresignal is an API-and-web alternative with a free tier of 2,000 credits, 5 requests per second, a 7-day trial, and email support. Consider it when those specific access terms matter more than BuiltWith's technology-usage history and ecommerce research.

The Official Board is another freemium API and web option, with Starter and Premium plans described in terms of org charts, saved org charts, API tokens, and seats. It may suit readers looking for that kind of organizational data instead of BuiltWith's website-technology focus.

Clay offers a free plan with 500 actions per month, 100 data credits per month, unlimited seats and tables, and up to 200 rows per table. It is worth comparing when those free-plan allowances and its Linux, macOS, and web platforms better match the workflow.

Elvesora Enrichment is an option for month-to-month account enrichment, with a Small plan at $30 a month for 1,000 enriched company records, bulk list processing, XLSX export, and REST and remote MCP access.

Enigma offers a free plan with console access, standard rate limits, viewing, search, and live summaries; its Pro plan costs $20 a month. Consider it when those stated console features and price fit better than BuiltWith's website-technology research.

PredictLeads is another API, self-hosted, and web alternative. Its listed API-call plans may be relevant to readers comparing usage-based access.

TheirStack offers API and web access, a free tier with monthly company and API credits, search-result pages, and workspace invitations, plus a $49 API plan. It may fit readers comparing those search and credit allowances.

For readers comparing categories, see Account Enrichment Software, Technographic Data Software, Lead Enrichment Software, Company Databases, Sales Prospecting Software, and B2B Contact Data Providers.

Verdict

Choose BuiltWith if your team needs website-technology profiles, ecommerce research, or technology-led prospect discovery at meaningful scale. Its wide coverage, historical data, and research exports are the main reasons to choose it; the limited free allowance, sharp paid-plan costs, and login restrictions are reasons to look elsewhere if research is occasional or the budget is tight.