Best WhoisXML API Reverse WHOIS Alternatives in 2026
The top WhoisXML API Reverse WHOIS alternatives are Whoxy, Whoisology and DomainIQ: 15 reverse WHOIS search tools our editors would look at instead of WhoisXML API Reverse WHOIS, in our ranking order.
WhoisXML API Reverse WHOIS: A flexible reverse-WHOIS service for current, historical, and large-scale domain investigations. Where it falls short: search requests allow up to four included and four excluded terms.
Switching from WhoisXML API Reverse WHOIS? For most reverse whois search tools buyers the best WhoisXML API Reverse WHOIS alternative is Whoxy, built for high-volume API and bulk lookup users. On a budget, DNS Checker Reverse WHOIS starts at $19/mo. Whoisology has a free plan. Whoisology offers the most result limit (1000 results).
Why People Look for a WhoisXML API Reverse WHOIS Alternative
- 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
Quick Picks by What You Need
- Best overallWhoxy9.2
High-volume API and bulk lookup users
Visit Whoxy - Lowest priceDNS Checker Reverse WHOIS8.5
Paid plans from $19/mo
Visit DNS Checker Reverse WHOIS - Best free optionWhoisology9.0
Has a free plan
Visit Whoisology - Most result limitWhoisology9.0
1000 results
Visit Whoisology
All 15 WhoisXML API Reverse WHOIS Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forHigh-volume API and bulk lookup users
A broad WHOIS data service for high-volume API, reverse search, and bulk lookup work.
9.2/10★★★★★Visit Whoxy -
Best forResearchers needing historical ownership exploration
A focused research tool for tracing domain ownership, connections, and historical records.
- Bulk search
- Person/name search
- Historical records
9.0/10★★★★☆Visit Whoisology -
Best forProfessional domain intelligence teams
A broad domain-intelligence toolkit for professional investigations and monitoring.
- Bulk search
- Organization search
- Person/name search
8.8/10★★★★☆Visit DomainIQ -
Best forEnterprise-scale domain data operations
A broad reverse-WHOIS and domain intelligence platform for data-heavy teams.
- Bulk search
- Organization search
- Person/name search
8.7/10★★★★☆Visit MarketXY -
Best forThreat-intelligence professionals
A paid Reverse WHOIS service for current, historical and multi-term domain research.
- Bulk search
- Organization search
- Person/name search
8.6/10★★★★☆Visit DomainTools -
Best forBudget-conscious users needing broad coverage
Broad reverse WHOIS coverage with a free plan and paid API access.
- Organization search
- Person/name search
8.5/10★★★★☆Visit DNS Checker -
Best forMature domain research and monitoring teams
A deep reverse WHOIS and domain-monitoring toolkit for established research teams.
- Bulk search
- Organization search
- Person/name search
8.4/10★★★★☆Visit DomainCrawler -
Best forPrecise API-based ownership searches
A precise, credit-based API for current and historical ownership searches.
- Organization search
- Person/name search
- Historical records
8.3/10★★★★☆Visit BigDomainData -
Best forFree, broad OSINT-style domain research
A broad free toolkit for reverse WHOIS, DNS, scans, certificates, and enrichment.
- Organization search
- Person/name search
8.2/10★★★★☆Visit Driftnet -
Best forAffordable mixed lookup and bulk users
Affordable reverse WHOIS coverage with bulk search, historical records, and API access.
- Bulk search
- Historical records
8.1/10★★★★☆Visit LastLookup -
Best forDeveloper teams needing SDK-ready API access
A developer-ready reverse WHOIS API with historical searches, SDKs, and workflow integrations.
- Organization search
- Person/name search
- Historical records
8.0/10★★★★☆Visit WhoisFreaks -
Best forOrganization-focused investigators
A broad reverse WHOIS and internet-intelligence toolkit with API access and credit-based pricing.
- Organization search
- Person/name search
7.9/10★★★★☆Visit Profundis -
Best forUsers wanting a free research toolkit
A broad domain intelligence suite with free access and credit-based usage.
- Organization search
- Person/name search
- Historical records
7.8/10★★★★☆Visit site -
Best forTechnical users comfortable with open source
A capable command-line tool for current and historic Reverse WHOIS research.
- Bulk search
- Organization search
- Historical records
7.7/10★★★★☆Visit site -
Best forAPI users focused on email and keyword pivots
A credit-based reverse WHOIS and network lookup toolkit with API access.
- Person/name search
- Historical records
7.5/10★★★★☆Visit OSINT.sh
WhoisXML API Reverse WHOIS Alternatives: Common Questions
What is the best alternative to WhoisXML API Reverse WHOIS?
Whoxy: #2 in our Reverse WHOIS Search Tools ranking, with an editor score of 9.2 out of 10. A broad WHOIS data service for high-volume API, reverse search, and bulk lookup work.
Is there a free alternative to WhoisXML API Reverse WHOIS?
Yes. Whoisology, MarketXY, DNS Checker Reverse WHOIS, Driftnet and LastLookup have a free plan or a free tier (8 of the 15 alternatives on this page).
What is the cheapest paid alternative to WhoisXML API Reverse WHOIS?
Of the alternatives here that publish a price, DNS Checker Reverse WHOIS starts lowest, at $19/mo.
Why do people look for WhoisXML API Reverse WHOIS alternatives?
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.
Which WhoisXML API Reverse WHOIS alternative has the most result limit?
Whoisology, with 1000 results.
How do I switch from WhoisXML API Reverse WHOIS?
Export your data from WhoisXML API Reverse WHOIS (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel WhoisXML API Reverse WHOIS.
How to Switch from WhoisXML API Reverse WHOIS
- Export your data from WhoisXML API Reverse WHOIS (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel WhoisXML API Reverse WHOIS.
WhoisXML API Reverse WHOIS vs Each Alternative
| # | Tool | Free plan | Paid from | Person/name search | Organization search | Email search | Historical records | Bulk search | API access | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | WhoisXML API Reverse WHOIS | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 9.4 | |
| 1 | Whoxy | No | $10/unit one-time | 9.2 | ||||||
| 2 | Whoisology | Yes | $300/yr | Yes | Yes | Yes | Yes | Yes | 9.0 | |
| 3 | DomainIQ | No | $49.95/mo | Yes | Yes | Yes | Yes | Yes | Yes | 8.8 |
| 4 | MarketXY | Yes | Yes | Yes | Yes | Yes | Yes | 8.7 | ||
| 5 | DomainTools Reverse WHOIS | No | $995/yr | Yes | Yes | Yes | Yes | Yes | Yes | 8.6 |
| 6 | DNS Checker Reverse WHOIS | Yes | $19/mo | Yes | Yes | Yes | No | No | Yes | 8.5 |
| 7 | DomainCrawler | Yes | Yes | Yes | Yes | Yes | Yes | 8.4 | ||
| 8 | BigDomainData Reverse WHOIS API | No | $25/unit usage-based | Yes | Yes | Yes | Yes | Yes | 8.3 | |
| 9 | Driftnet | Yes | Free | Yes | Yes | Yes | Yes | 8.2 | ||
| 10 | LastLookup | Yes | €9/mo | Yes | Yes | Yes | Yes | 8.1 | ||
| 11 | WhoisFreaks Reverse WHOIS API | No | $75/mo | Yes | Yes | Yes | Yes | Yes | 8.0 | |
| 12 | Profundis | Yes | Yes | Yes | Yes | Yes | 7.9 | |||
| 13 | Domain Research Suite | Yes | Yes | Yes | Yes | Yes | Yes | 7.8 | ||
| 14 | Reverse WHOIS CLI | Free | Yes | Yes | Yes | Yes | Yes | 7.7 | ||
| 15 | OSINT.sh | $50/mo | Yes | Yes | Yes | Yes | 7.5 |
Head-to-Head
- WhoisXML API Reverse WHOIS vs Whoxy
- WhoisXML API Reverse WHOIS vs Whoisology
- WhoisXML API Reverse WHOIS vs DomainIQ
- WhoisXML API Reverse WHOIS vs MarketXY
- WhoisXML API Reverse WHOIS vs DomainTools Reverse WHOIS
- WhoisXML API Reverse WHOIS vs DNS Checker Reverse WHOIS
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update