Overview
Namecheap API
Domain Registrar API
Namecheap provides domain availability and management APIs for developers integrated with their registrar services.
Sandbox: FreeRDAP 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 accessPricing Comparison
| Pricing | Namecheap API | RDAP API |
|---|---|---|
| Free Tier | Sandbox: Free | Trial access |
| Paid Plans | Production: Account qualification | Usage-based API plans |
| Enterprise | Reseller programs | Higher-volume options |
| TLD Coverage | 400+ TLDs | RDAP-enabled registries |
Feature Comparison
| Feature | Namecheap API | RDAP API |
|---|---|---|
| Free Tier | Limited | Limited |
| API Access | Limited | Included |
| Bulk Operations | Included | Limited |
| Real-time Data | Included | Included |
| WHOIS Data | Included | Included |
| DNS Lookup | Included | Not Included |
| Domain Valuation | Not Included | Not Included |
| Brand Monitoring | Not Included | Not Included |
| MCP/AI Integration | Not Included | Not Included |
Which is Better?
Choose Namecheap API if you need
- Competitive domain pricing
- Well-documented XML API
- Good for resellers
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
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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