Cloudflare Registrar vs RDAP API - 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

RDAP 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 access

Pricing Comparison

Pricing	Cloudflare Registrar	RDAP API
Free Tier	At-cost wholesale pricing	Trial access
Paid Plans	Registrar API beta for supported domains	Usage-based API plans
Enterprise	Enterprise and registrar workflows	Higher-volume options
TLD Coverage	400+ TLDs	RDAP-enabled registries

Feature Comparison

Feature	Cloudflare Registrar	RDAP API
Free Tier	Included	Limited
API Access	Limited	Included
Bulk Operations	Included	Limited
Real-time Data	Limited	Included
WHOIS Data	Limited	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 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 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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