Overview
Dynadot API
Registrar API for Bulk Investors and Resellers
Dynadot offers REST and legacy APIs with 120+ actions covering registration, transfers, DNS, aftermarket workflows, and bulk investor tooling.
Regular tier: free API accessWHOISJSON
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 | Dynadot API | WHOISJSON |
|---|---|---|
| Free Tier | Regular tier: free API access | Free plan available |
| Paid Plans | Bulk: $500+/year spend | From $10/month |
| Enterprise | Super bulk: $5,000+/year spend | Higher-volume plans available |
| TLD Coverage | 500+ TLDs | 1,500+ TLDs |
Feature Comparison
| Feature | Dynadot API | WHOISJSON |
|---|---|---|
| Free Tier | Not Included | Included |
| API Access | Limited | Included |
| Bulk Operations | Included | Limited |
| Real-time Data | Included | Included |
| WHOIS Data | Included | Included |
| DNS Lookup | Limited | Included |
| Domain Valuation | Included | Not Included |
| Brand Monitoring | Not Included | Not Included |
| MCP/AI Integration | Not Included | Not Included |
Which is Better?
Choose Dynadot API if you need
- Excellent for domain investors
- Low-cost domain pricing
- 120+ domain and aftermarket actions
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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