BuiltWith
Data Enrichment & IntentTechnology lookup and lead generation platform that identifies tech stacks on 673M+ websites for competitive intelligence and prospecting.
BuiltWith is a technology profiling platform that tracks 112,988+ web technologies across 673 million websites, providing deep insights into competitors' and prospects' tech stacks. It offers lead generation by filtering companies by technology usage, location, traffic, and vertical, making it essential for targeted ABM campaigns. The platform includes market share analytics, historical technology trends dating back to 1985, and eCommerce data covering 2 billion products. While powerful for sales intelligence and competitive research, the learning curve can be steep for maximizing advanced filtering and API capabilities.
Best for
Sales and RevOps teams running technology-based ABM campaigns who need to identify prospects using specific tech stacks at scale.
Last updated: March 19, 2026
26/50
Overall Score
API Quality
8/10
GTM Relevance
18/20
PricingFreemium
Complexitymedium
Learningmedium
Visit builtwith.com →API Analysis
REST API
✓
Available
Webhooks
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GraphQL
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OAuth
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salesforcehubspotzapierpipedriveoutreachsalesloftapollo.ioclay
Pricing
paidFree Tier
API-based pricing with tiered plans based on query volume and data access levels. Enterprise plans available for high-volume users.
Strengths & Weaknesses
Strengths
Massive database of 673M+ websites with 112,988+ tracked technologies enables highly targeted lead generation
Historical technology trends data back to 1985 provides unique competitive intelligence and market movement insights
Advanced filtering by location, traffic, vertical, spend, revenue, and employee count for precise account-based prospecting
Natural language 'Ask' tool and MCP endpoint for AI agent integration makes data accessible for automation workflows
eCommerce-specific data with 2B+ products and detailed attributes ideal for B2B SaaS targeting online retailers
Weaknesses
No webhook support limits real-time technology change notifications for monitoring prospects
Pricing can be expensive for startups or small teams with limited API query budgets
API rate limits and authentication complexity require careful implementation planning
Lacks native CRM sync features requiring third-party integration tools like Zapier or custom development
Alternatives
Reviews
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FAQ
What is BuiltWith?
BuiltWith is a technology profiling platform that tracks 112,988+ web technologies across 673 million websites, providing deep insights into competitors' and prospects' tech stacks. It offers lead generation by filtering companies by technology usage, location, traffic, and vertical, making it essential for targeted ABM campaigns. The platform includes market share analytics, historical technology trends dating back to 1985, and eCommerce data covering 2 billion products. While powerful for sales intelligence and competitive research, the learning curve can be steep for maximizing advanced filtering and API capabilities.
Is BuiltWith free?
Yes, BuiltWith offers a free tier. API-based pricing with tiered plans based on query volume and data access levels. Enterprise plans available for high-volume users.
What are BuiltWith alternatives?
Popular alternatives to BuiltWith include Cognism, Apollo.io, TheirStack, Dealfront, PredictLeads. Compare features, API quality, and pricing on GTM Tools.
Does BuiltWith have an API?
Yes, BuiltWith provides a REST API. API quality is rated EXCELLENT. Documentation: https://api.builtwith.com.
Who is BuiltWith best for?
Sales and RevOps teams running technology-based ABM campaigns who need to identify prospects using specific tech stacks at scale.