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Head-to-head · Reverse WHOIS Search Tools

WhoisXML API Reverse WHOIS vs Whoxy

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score WhoisXML API Reverse WHOIS #1 in Reverse WHOIS Search Tools 9.4/10 Free plan Free plan✓ 6 of 6 features Visit WhoisXML API
Whoxy #2 in Reverse WHOIS Search Tools 9.2/10 Paid ✓ 0 of 6 features Visit Whoxy

WhoisXML API Reverse WHOIS leads on 1 check, Whoxy on 0, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreWhoisXML API Reverse WHOIS · 9.4/10
  • Free planonly WhoisXML API Reverse WHOIS
  • Most featuresWhoisXML API Reverse WHOIS · 6 of 6

WhoisXML API Reverse WHOIS scores higher on our rubric for reverse whois search tools: 9.4 against 9.2 out of 10; our editors rank them #1 and #2.

WhoisXML API Reverse WHOIS offers free plan; Whoxy doesn't.

WhoisXML API Reverse WHOIS is the better fit for broad, flexible reverse-WHOIS investigations. Whoxy is the better fit for high-volume API and bulk lookup users.

  • WhoisXML API Reverse WHOIS fits best

    Broad, flexible reverse-WHOIS investigations

  • Whoxy fits best

    High-volume API and bulk lookup users

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Side by side

Feature WhoisXML API Reverse WHOIS 9.4/10 Visit ↗ Whoxy 9.2/10 Visit ↗
At a glance
Editor score 9.4 9.2
Ranking #1 in Reverse WHOIS Search Tools #2 in Reverse WHOIS Search Tools
Best for Broad, flexible reverse-WHOIS investigations High-volume API and bulk lookup users
Pricing model Free plan + paid Paid
Starting price Free plan $10/unit one-time
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Docs Email · 24/7
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features WhoisXML API Reverse WHOIS 6/6 · Whoxy 0/6
Person/name search ✓ (best) Not checked yet
Organization search ✓ (best) Not checked yet
Email search ✓ (best) Not checked yet
Historical records ✓ (best) Not checked yet
Bulk search ✓ (best) Not checked yet
API access ✓ (best) Not checked yet
Specs
Result limit 10000 results Not checked yet
Our review
Pros
  • Searches names, organizations, emails, phones, and postal addresses
  • Combines historical records, date filters, and exact or fuzzy matching
  • Supports REST API access, JSON/XML output, and pagination beyond 10,000 records
  • Reverse search by name, email, company, or keyword
  • Bulk lookup supports up to 100,000 domains per request
  • Results available in XML, JSON, CSV, or SQL
Cons
  • Search requests allow up to four included and four excluded terms
  • Paid usage follows a DRS-credit model with one credit per request
  • Its focus is WHOIS-linked domain discovery rather than broader investigation workflows
  • No general free plan for API access
  • Pricing is organized around prepaid query packages
  • The API focus may exceed the needs of occasional lookup users
Our verdict

WhoisXML API Reverse WHOIS searches WHOIS records to find domains connected to owner names, organization names, email addresses, phone numbers, or postal addresses. It supports both current and historical records, making it relevant to…

Read the review →

Whoxy provides hosted WHOIS services for developers, investigators, domain researchers, and organizations working with structured domain-registration data. Its web and API offerings cover current WHOIS lookups, historical records, reverse…

Read the review →
  1. WhoisXML API Reverse WHOISReverse WHOIS Search Tools 9.4Free plan
  2. WhoxyReverse WHOIS Search Tools 9.2Paid

Strengths and trade-offs

  • WhoisXML API Reverse WHOIS — where it wins

    • Searches names, organizations, emails, phones, and postal addresses
    • Combines historical records, date filters, and exact or fuzzy matching
    • Supports REST API access, JSON/XML output, and pagination beyond 10,000 records

    Where it doesn't

    • Search requests allow up to four included and four excluded terms
    • Paid usage follows a DRS-credit model with one credit per request
    • Its focus is WHOIS-linked domain discovery rather than broader investigation workflows

  • Whoxy — where it wins

    • Reverse search by name, email, company, or keyword
    • Bulk lookup supports up to 100,000 domains per request
    • Results available in XML, JSON, CSV, or SQL

    Where it doesn't

    • No general free plan for API access
    • Pricing is organized around prepaid query packages
    • The API focus may exceed the needs of occasional lookup users
  • WhoisXML API Reverse WHOIS9.4/10 · Free plan

    A flexible reverse-WHOIS service for current, historical, and large-scale domain investigations.

    Visit WhoisXML APIFull verdict →
  • Whoxy9.2/10 · Paid

    A broad WHOIS data service for high-volume API, reverse search, and bulk lookup work.

    Visit WhoxyFull verdict →

More comparisons

All reverse WHOIS search tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update