B2B contact data from public web sources with verified emails and source citations
Find the customers your filters miss
Stage
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Startup
Founded
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Pricing model
Freemium
Freemium
Pricing
Free plan: 100 credits (one-time). Starter: $99/month with 2,000 credits. Growth: $189/month with 5,000 credits. Pro: $499/month with 15,000 credits. One credit reveals a contact's email and phone number.
Free: 50 tokens (one-time), no card required. Let Me Try: $19/month (100 tokens/month). Founder's Delight: $79/month (500 tokens/month, one-time top-ups $0.30/token). Serious Business: $259/month (2,000 tokens/month, one-time top-ups $0.30/token). Enterprise: custom pricing for more than 2,000 token
Key features
101M+ verified business contacts indexed from public web sources
Source URL citation on every record for verification
Real-time email verification and validation
Advanced search filters by industry, location, and company size
CSV export with verified contact data
Exclude existing contacts and suppress lists
API access for programmatic data retrieval
MCP integration for AI agents
CRM and data enrichment integration
2 in 3 contacts not on other prospecting platforms
Research companies against custom criteria with evidence from multiple sources
Verify email addresses via live SMTP checks
Search 1.4 trillion URLs across the open web
Find decision-makers and map company teams
Access funding history and Series information
Read job boards for hiring signals
Analyze headcount trends
Draft personalized emails using research findings
Connect AI assistants via MCP connector
Export results to CSV and connect multiple mailboxes
What makes it different
Most contacts not available on LinkedIn or other prospecting platforms
Every contact has a public source URL to verify the data
Indexes the open web instead of reselling the same LinkedIn lists
Pay only for contacts you actually use
Real-time email validation with automatic credit refunds for invalid emails
Shows evidence and sources for every match instead of just a list of names
Never invents data; says when it cannot find something rather than guessing
Researches companies live against your criteria, unlike static lead databases
Built by founders who understand sales and investing, not database resellers
Causo