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 queriesNamecheap API
Domain Registrar API
Namecheap provides domain availability and management APIs for developers integrated with their registrar services.
Sandbox: FreePricing Comparison
| Pricing | Censys | Namecheap API |
|---|---|---|
| Free Tier | Community tier with limited monthly queries | Sandbox: Free |
| Paid Plans | Individual plans from $100/month | Production: Account qualification |
| Enterprise | Custom team and enterprise plans | Reseller programs |
| TLD Coverage | Full IPv4/IPv6 coverage | 400+ TLDs |
Feature Comparison
| Feature | Censys | Namecheap API |
|---|---|---|
| Free Tier | Limited | Limited |
| API Access | Included | Limited |
| 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 | Not Included |
| 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 Namecheap API if you need
- Competitive domain pricing
- Well-documented XML API
- Good for resellers
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
Related Comparisons
Get Started with DomScan
10,000 free credits/month • No credit card required
Try DomScan Free
Or try our free tools first