Quick Facts
- Website
- censys.com
- Pricing Starts At
- Prepaid credits from $100
- Free Tier
- Free tier with limited searches and lookup API access
- Category
- Threat and vulnerability intelligence APIs, IP intelligence and reputation APIs
- How usage is billed
- Credits, pages, requests, records, compute units, subscriptions, and browser-time blocks are not interchangeable.
- Enterprise Plan
- Core and Adversary Investigation are custom priced
Overview
Censys delivers internet-wide scanning, certificate intelligence, and external attack surface discovery for security teams and researchers.
Pros & Cons
✓ Pros
- Comprehensive internet scanning
- Certificate and asset intelligence
- External attack surface discovery
− Cons
- Not focused on domain availability
- WHOIS and registrar context are secondary
- Primarily for security use cases
Compare with DomScan →
See how Censys compares to DomScan across features, pricing, and TLD coverage.
Censys vs DomScan
| Feature | Censys | DomScan |
|---|---|---|
| Free Tier | Limited | ✓ 10,000/month |
| Domain Availability | ✓ | ✓ |
| WHOIS Data | Limited | ✓ |
| DNS Lookup | ✓ | ✓ |
| Domain Valuation | − | ✓ |
| Brand Monitoring | − | ✓ |
| MCP/AI Integration | − | ✓ |
| Bulk Operations | ✓ | ✓ |
Sources
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