Overview
Namecheap API
Domain Registrar API
Namecheap provides domain availability and management APIs for developers integrated with their registrar services.
Sandbox: FreeWHOISJSON
WHOIS, DNS, SSL, and availability API with a lightweight free plan
WHOISJSON packages WHOIS, DNS, SSL certificate, and availability lookups into a lightweight API for teams that need practical lookup coverage without enterprise overhead.
Free plan availablePricing Comparison
| Pricing | Namecheap API | WHOISJSON |
|---|---|---|
| Free Tier | Sandbox: Free | Free plan available |
| Paid Plans | Production: Account qualification | From $10/month |
| Enterprise | Reseller programs | Higher-volume plans available |
| TLD Coverage | 400+ TLDs | 1,500+ TLDs |
Feature Comparison
| Feature | Namecheap API | WHOISJSON |
|---|---|---|
| Free Tier | Limited | Included |
| API Access | Limited | Included |
| Bulk Operations | Included | Limited |
| Real-time Data | Included | Included |
| WHOIS Data | Included | 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 Namecheap API if you need
- Competitive domain pricing
- Well-documented XML API
- Good for resellers
Choose WHOISJSON if you need
- Covers WHOIS, DNS, SSL, and availability in one API
- Simple entry pricing and low-friction onboarding
- Useful free tier for early testing and prototypes
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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