WhoisXML API Reverse WHOIS vs MarketXY

WhoisXML API Reverse WHOIS9.4Visit MarketXY8.7Visit

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

vs

MarketXY #5 in Reverse WHOIS Search Tools 8.7/10 Free plan + paid ✓ 6 of 6 features Visit MarketXY

• WhoisXML API Reverse WHOIS fits best

  Broad, flexible reverse-WHOIS investigations

• MarketXY fits best

  Enterprise-scale domain data operations

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Side by side

Feature	WhoisXML API Reverse WHOIS 9.4/10 Visit ↗	MarketXY 8.7/10 Visit ↗
At a glance
Editor score	9.4	8.7
Ranking	#1 in Reverse WHOIS Search Tools	#5 in Reverse WHOIS Search Tools
Best for	Broad, flexible reverse-WHOIS investigations	Enterprise-scale domain data operations
Pricing model	Free plan + paid	Free plan + paid
Starting price	Free plan	Not checked yet
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Docs	Docs · 24/7
Integrations	14 integrations	11 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features WhoisXML API Reverse WHOIS 6/6 · MarketXY 6/6
Person/name search	✓	✓
Organization search	✓	✓
Email search	✓	✓
Historical records	✓	✓
Bulk search	✓	✓
API access	✓	✓
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	Search by identity, company, keyword, DNS, nameserver, or address Combines current, historical, bulk, lifecycle, and infrastructure data Supports APIs, downloads, feeds, and integrations with business data tools
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	Its broad scope may exceed the needs of simple one-off lookups Bulk operations and scheduled feeds suit operational workflows best API and data-feed workflows require technical implementation
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 →	MarketXY is a domain intelligence and WHOIS data platform for businesses, cybersecurity teams, brand protection agencies, researchers, legal teams, and data-driven companies. Its reverse WHOIS searches can use email, phone, name, company,… Read the review →

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

• MarketXY — where it wins

  • Search by identity, company, keyword, DNS, nameserver, or address
  • Combines current, historical, bulk, lifecycle, and infrastructure data
  • Supports APIs, downloads, feeds, and integrations with business data tools

  Where it doesn't

  • Its broad scope may exceed the needs of simple one-off lookups
  • Bulk operations and scheduled feeds suit operational workflows best
  • API and data-feed workflows require technical implementation

• 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 →
• MarketXY8.7/10 · Free plan + paid

  A broad reverse-WHOIS and domain intelligence platform for data-heavy teams.

  Visit MarketXYFull verdict →