API Comparison
| Registrar | API Type | Docs Quality | Rate Limits |
|---|---|---|---|
| Cloudflare | REST | Excellent | Generous |
| Dynadot | REST | Very Good | Good |
| Namecheap | XML | Good | Moderate |
| Porkbun | REST | Good | Good |
| Namesilo | REST | Basic | Good |
| GoDaddy | REST | Good | Strict |
Top Picks for Developers
BEST OVERALL
Cloudflare API
Modern REST API, excellent documentation, generous rate limits. Also includes DNS, CDN, and security APIs.
api.cloudflare.com/client/v4/
BEST FOR BULK
Dynadot API
Great for bulk operations, domain marketplace integration, and reseller automation.
api.dynadot.com/api3.xml
SIMPLE & CLEAN
Porkbun API
Clean REST API, easy to implement, good for smaller projects.
porkbun.com/api/json/v3/
Common API Features
- ✓ Domain availability check
- ✓ Registration and renewal
- ✓ DNS record management
- ✓ WHOIS privacy toggle
- ✓ Transfer initiation
- ✓ Nameserver updates
- ✓ Domain lock/unlock
Developer Recommendation
Cloudflare offers the best developer experience—modern REST API, excellent docs, and you get their entire platform API. For domain-focused work, Dynadot's API is also excellent.
Compare Registrars →