How to Build Your Own Clearbit
Replace Clearbit with a custom build. The leading B2B data platform for sales and marketing intelligence.
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 41 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 41 features
Data Enrichment(13 features)
Enrich large lists of companies and contacts in batch with CSV upload or API calls.
Automatically enrich company records with verified firmographic data including industry, revenue, headcount, and technology stack.
Explore relationships between companies including subsidiaries, parent companies, and affiliated entities.
Access current and historical employee headcount information across company size ranges.
Access comprehensive company attributes including industry classification, verticals, and business segments.
+8 more in this category
Prospecting(6 features)
Identify key decision makers and influencers within target companies.
Find companies and decision makers by domain, industry, geography, and company size.
Filter companies and contacts by country, state, city, and postal code.
Segment prospect lists by company attributes, industry, and buying signals.
Find companies similar to your best customers based on firmographic and behavioral attributes.
+1 more in this category
Account Intelligence(3 features)
Get 360-degree views of target accounts with company overview, decision makers, and engagement insights.
Track changes to company data including funding, leadership changes, and headcount growth.
Track funding rounds, investors, and capital raised by target companies.
Data Quality(3 features)
View confidence scores and data quality metrics for enriched information.
Standardize company names, addresses, and formats to ensure consistency across your systems.
Identify and merge duplicate company and contact records using intelligent matching.
Integration(3 features)
Automatically sync and maintain enriched data in your CRM with real-time updates.
Create and populate custom fields in your CRM with Clearbit enriched data.
Receive real-time webhook notifications when companies are added to your database or records are updated.
Website Intelligence(3 features)
Match IP addresses to companies with geographic and technology context.
Identify anonymous website visitors and reveal their company affiliation and contact information.
Analyze company websites to extract key information and identify technology usage.
Analytics(2 features)
View usage statistics, API performance, and data enrichment metrics in a centralized dashboard.
Forecast which companies are likely to buy based on historical conversion patterns.
Contact Discovery(2 features)
Find verified email addresses for business professionals at target companies.
Find verified phone numbers for business contacts and company headquarters.
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 41 features at very easy complexity.