DomainTools offers a comprehensive suite of domain research and monitoring tools to help companies with domain investigations and domain-related threat intelligence.
Custom pricing based on requirements
Best WhoisXML API Alternatives ranked by AI · updated Aug 2026
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WhoisXML API supplies WHOIS, DNS, IP, domain reputation, and threat-intelligence data for developers, security teams, and data analysts. Its standout capability is a broad catalog of specialized APIs and downloadable domain datasets.
Top 6 WhoisXML API alternatives
ipinfo.io is an IP address geolocation API and information provider.
Starting from $50/month
Domain Details is a software tool that provides in-depth information about domain names, including registration details, ownership history, and DNS records.
Starting at $29.99/month
WhoisAPI is a comprehensive WHOIS data provider that offers domain information lookup services. It provides data on domain availability, ownership details, registration,...
Starting from $49/month
Bulk Whois API is a service that provides a bulk WHOIS data lookup tool for domain names. It allows users to retrieve...
Starting from $0.002 per domain
DomainWatch is a comprehensive domain monitoring and management tool that helps users keep track of their domain names, expiration dates, and potential...
Starting from $10/month
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