Whoisxmlapi
IP address intelligence software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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Pay-as-you-go
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- Transportation and logistics
- Professional services (engineering, legal, consulting, etc.)
- Public sector and nonprofit organizations
What is Whoisxmlapi
WhoisXMLAPI is an API-based data service that provides IP address intelligence and related internet infrastructure data, including WHOIS, DNS, and domain/IP enrichment. It is used by security teams, fraud/risk analysts, and developers to automate investigations, threat triage, and compliance workflows. The platform differentiates by combining multiple internet data sources (e.g., WHOIS history, DNS records, and domain/IP relationships) behind developer-oriented APIs and downloadable datasets.
Broad internet data coverage
The product offers more than basic IP geolocation by also providing WHOIS, DNS, and domain/IP relationship data through APIs. This supports investigations that require pivoting from an IP to domains, registrants, and historical records. For teams doing threat research or abuse response, the ability to combine these datasets reduces the need to integrate multiple separate providers.
Developer-first API access
WhoisXMLAPI provides programmatic access designed for integration into internal tools and automated workflows. Common patterns include enrichment during login, payment, or signup flows, and batch analysis for security operations. API-centric delivery aligns with engineering-led teams that need predictable machine-readable outputs rather than a UI-only product.
Historical and enrichment options
The service includes historical data options (such as WHOIS history) that can help identify changes in ownership or infrastructure over time. This is useful for investigations where current records are incomplete, privacy-protected, or recently changed. Enrichment across multiple record types can improve context for risk scoring and case management.
Not geolocation-only focused
Organizations looking primarily for high-accuracy geolocation and simple IP-to-location lookups may find the broader dataset scope adds complexity. Some use cases may require selecting among multiple endpoints and data types rather than a single streamlined geolocation API. This can increase implementation time for teams with narrow requirements.
Data quality varies by registry
WHOIS and related registration data can be inconsistent across TLDs and registries, and may be redacted due to privacy regulations. As a result, outputs may contain missing fields or privacy-protected contacts depending on the domain and jurisdiction. Teams often need downstream logic to handle partial records and normalize results.
Pricing and licensing complexity
Using multiple APIs (WHOIS, DNS, IP, and history) can lead to more complex cost management than single-purpose IP intelligence products. Dataset downloads and historical access may involve separate licensing terms compared with standard API calls. Procurement teams may need to validate permitted use, retention, and redistribution constraints for their specific workflows.
Plan & Pricing
Pricing model: Pay-as-you-go (query/credit-based APIs) with optional subscription/enterprise bundles Free tier/trial: Free-tier API request quotas available (examples below); no explicit time-limited "trial" page found. Example costs / notes (official site):
- IP Geolocation API – 1,000 free API requests (no credit card); paid monthly plan: $27 per month for 100,000 queries (additional plans available).
- Bulk IP Geolocation API – 1,000 free requests (no credit card); bulk job cost: 1 credit per term/record.
- WHOIS API – 500 free API requests (no credit card); bulk WHOIS jobs: 1 credit per domain.
- Subdomains Lookup API (DRS) – charged in DRS credits; 1 Subdomains Lookup API request = 10 DRS credits.
- Enterprise API Packages – published tiered monthly query bundles (Tier 1–6) for WHOIS, IP, DNS, etc.; pricing amounts not published publicly (contact sales). Discount options / notes: Volume/enterprise discounts and custom quotes available via Sales; some products (DRS, Enterprise, Data Feeds) require contacting sales for custom pricing.
Seller details
WhoisXML API, Inc.
Private
https://www.whoisxmlapi.com/
https://x.com/WhoisXMLAPI
https://www.linkedin.com/company/whoisxmlapi/
