Overview
Censys
Internet Intelligence and Attack Surface Platform
Censys delivers internet-wide scanning, certificate intelligence, and external attack surface discovery for security teams and researchers.
Community tier with limited monthly queriesWhoxy
WHOIS history, reverse WHOIS, and bulk lookup API
Whoxy focuses on live WHOIS, historical WHOIS, reverse WHOIS, and batch lookup workflows for researchers, resellers, and brand-protection teams.
No recurring free tierPricing Comparison
| Pricing | Censys | Whoxy |
|---|---|---|
| Free Tier | Community tier with limited monthly queries | No recurring free tier |
| Paid Plans | Individual plans from $100/month | Pay-as-you-go from $2 |
| Enterprise | Custom team and enterprise plans | Monthly and enterprise options |
| TLD Coverage | Full IPv4/IPv6 coverage | 1,595 TLDs |
Feature Comparison
| Feature | Censys | Whoxy |
|---|---|---|
| Free Tier | Limited | Not Included |
| API Access | Included | Included |
| Bulk Operations | Included | Included |
| Real-time Data | Included | Included |
| WHOIS Data | Limited | Included |
| DNS Lookup | Included | Included |
| Domain Valuation | Not Included | Not Included |
| Brand Monitoring | Not Included | Limited |
| MCP/AI Integration | Not Included | Not Included |
Which is Better?
Choose Censys if you need
- Comprehensive internet scanning
- Certificate and asset intelligence
- External attack surface discovery
Choose Whoxy if you need
- Strong historical WHOIS and reverse WHOIS coverage
- Pay-as-you-go entry point for batch research
- Good fit for WHOIS-heavy investigations and reseller tools
Consider DomScan Instead
DomScan offers the best of both worlds with comprehensive features and developer-friendly pricing.
- ✓ Free tier: 10,000 credits/month (no credit card)
- ✓ 1,500+ TLDs supported
- ✓ MCP integration for AI assistants
- ✓ Domain valuation, brand monitoring, OSINT
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