Whoxy vs RDAP API

WWhoxy9.0Visit RDAP API8.2Visit

Higher score W Whoxy #3 in WHOIS Lookup Tools 9.0/10 Paid ✓ 3 of 3 features Visit Whoxy

vs

RDAP API #7 in WHOIS Lookup Tools 8.2/10 7-day trial Free trial✓ 2 of 3 features Visit RDAP API

• Whoxy fits best

  Large-scale WHOIS API and dataset buyers

• RDAP API fits best

  Developers needing a polished RDAP API

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Side by side

Feature	WWhoxy 9.0/10 Visit ↗	RDAP API 8.2/10 Visit ↗
At a glance
Editor score	9.0	8.2
Ranking	#3 in WHOIS Lookup Tools	#7 in WHOIS Lookup Tools
Best for	Large-scale WHOIS API and dataset buyers	Developers needing a polished RDAP API
Pricing model	Paid	Paid
Starting price	$10/unit one-time	$9/mo
Free plan	—	—
Free trial	—	7 days
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Email · 24/7	Email, Docs
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Whoxy 3/3 · RDAP API 2/3
Bulk lookup	✓	✓
Historical WHOIS	✓ (best)	Not checked yet
RDAP support	✓	✓
Specs
API access	Full	Full
Monthly lookup limit	Not checked yet	30000 /mo
Export formats	XML, JSON, CSV, SQL	Not checked yet
Our review
Pros	Bulk lookups support up to 100,000 domains per request Current, historical, and reverse WHOIS search options XML, JSON, CSV, and SQL delivery for bulk results	RDAP with WHOIS fallback for broader domain coverage Bulk lookups support up to 10 domains per request Official SDKs plus an MCP server for AI-agent lookups
Cons	No general free plan Prepaid query packages focus on API volume rather than simple lookups Database and lifecycle datasets add separate offerings to evaluate	No permanent free subscription plan Bulk requests are capped at 10 domains Rate limits vary by paid plan
Our verdict	Whoxy provides hosted WHOIS services for developers, investigators, domain researchers, and organizations working with structured domain-registration data. Its product scope covers current WHOIS lookups with parsed fields, historical… Read the review →	RDAP API is a hosted REST API for developers who need domain registration and network lookup data in a consistent format. It queries domain registrations through RDAP and uses WHOIS fallback for TLDs without RDAP servers. The service also… Read the review →

Strengths and trade-offs

• Whoxy — where it wins

  • Bulk lookups support up to 100,000 domains per request
  • Current, historical, and reverse WHOIS search options
  • XML, JSON, CSV, and SQL delivery for bulk results

  Where it doesn't

  • No general free plan
  • Prepaid query packages focus on API volume rather than simple lookups
  • Database and lifecycle datasets add separate offerings to evaluate

• RDAP API — where it wins

  • RDAP with WHOIS fallback for broader domain coverage
  • Bulk lookups support up to 10 domains per request
  • Official SDKs plus an MCP server for AI-agent lookups

  Where it doesn't

  • No permanent free subscription plan
  • Bulk requests are capped at 10 domains
  • Rate limits vary by paid plan

• WWhoxy9.0/10 · Paid

  A pay-as-you-go WHOIS platform for high-volume lookups, history, reverse search, and datasets.

  Visit WhoxyFull verdict →
• RDAP API8.2/10 · 7-day trial

  A developer-focused lookup API with normalized JSON, bulk requests, and broad lookup coverage.

  Visit RDAP APIFull verdict →