Overview
RDAP API
RDAP-first domain, IP, and ASN lookup API
RDAP API centers on RDAP lookups for domains, IP ranges, and ASNs for teams that want structured registration data without buying a larger intelligence platform.
Trial accessWhoxy
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 | RDAP API | Whoxy |
|---|---|---|
| Free Tier | Trial access | No recurring free tier |
| Paid Plans | Usage-based API plans | Pay-as-you-go from $2 |
| Enterprise | Higher-volume options | Monthly and enterprise options |
| TLD Coverage | RDAP-enabled registries | 1,595 TLDs |
Feature Comparison
| Feature | RDAP API | Whoxy |
|---|---|---|
| Free Tier | Limited | Not Included |
| API Access | Included | Included |
| Bulk Operations | Limited | Included |
| Real-time Data | Included | Included |
| WHOIS Data | Included | Included |
| DNS Lookup | Not Included | Included |
| Domain Valuation | Not Included | Not Included |
| Brand Monitoring | Not Included | Limited |
| MCP/AI Integration | Not Included | Not Included |
Which is Better?
Choose RDAP API if you need
- Focused RDAP experience for domains, IPs, and ASNs
- Cleaner fit for modern registration-data workflows
- Good option for teams that do not need a huge platform
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
Related Comparisons
Get Started with DomScan
10,000 free credits/month • No credit card required
Try DomScan Free
Or try our free tools first