Cloudflare Registrar vs WHOISJSON - Domain API Comparison

Overview

Cloudflare Registrar

At-Cost Registrar with Beta API Workflows

Cloudflare Registrar keeps domains at wholesale rates and now exposes beta API flows for search, availability, pricing, and registration on supported domains.

At-cost wholesale pricing

WHOISJSON

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 available

Pricing Comparison

Pricing	Cloudflare Registrar	WHOISJSON
Free Tier	At-cost wholesale pricing	Free plan available
Paid Plans	Registrar API beta for supported domains	From $10/month
Enterprise	Enterprise and registrar workflows	Higher-volume plans available
TLD Coverage	400+ TLDs	1,500+ TLDs

Feature Comparison

Feature	Cloudflare Registrar	WHOISJSON
Free Tier	Included	Included
API Access	Limited	Included
Bulk Operations	Included	Limited
Real-time Data	Limited	Included
WHOIS Data	Limited	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 Cloudflare Registrar if you need

Zero markup on domains
Beta API can check up to 20 domains at once
Free DNSSEC, CDN, and SSL

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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