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Instead of paying per-query API fees, download the entire WHOIS database in CSV. WebTrackly offers bulk domain owner data for 716 TLDs — no API keys, no rate limits.
| Feature | WhoisXMLAPI | WebTrackly |
|---|---|---|
| Data access model | Per-query API ($0.02-0.10/query) | Bulk CSV download (whole database) |
| Pricing | $50-500/mo (usage-based) | $3.50/package or $29/mo unlimited |
| WHOIS data | Real-time lookup per domain | Pre-compiled bulk database |
| Rate limits | Yes (tier-dependent) | No — download entire file |
| TLD coverage | 1,000+ TLDs | 716 TLDs |
| Technology detection | No | 1,000+ technologies |
| Technology detection lists | No | 79 CMS/platforms as CSV |
| Data format | JSON API response | CSV in ZIP archive |
WhoisXMLAPI and Whoxy charge $0.02-0.10 per lookup. If you need data on thousands or millions of domains, costs spiral quickly. WebTrackly gives you the entire database for a flat fee.
Instead of writing scripts to query an API domain by domain, download a single CSV with all registrant data for an entire TLD. Process locally with your own tools at any speed.
Skip building and maintaining API clients, handling rate limits, and managing authentication tokens. Just download a CSV file and open it in Excel, Python, or any data tool.
WebTrackly bundles WHOIS-style domain data with zone files and technology detection — datasets that would otherwise require separate API vendors and separate budgets.
| Package | Records | Price | |
|---|---|---|---|
| All Registered Domains Worldwide | 272,614,863 | $70 | View |
| All Domains with NS Servers | 250,116,052 | $49 | View |
| All Domains with IP Address | 243,950,097 | $42 | View |
| Commercial Zones (COM + NET + BIZ + ORG) | 181,435,916 | $63 | View |
| All Domains with HTTP Response | 170,835,843 | $56 | View |
WhoisXMLAPI and Whoxy are popular WHOIS and domain intelligence API services used by security researchers, brand protection teams, and domain investors. They provide real-time WHOIS lookups, reverse WHOIS searches, DNS records, and domain availability data through RESTful APIs.
Their pricing model is usage-based: you pay per API query, typically $0.02-0.10 per lookup depending on your plan tier. Monthly plans range from $50 to $500+, with enterprise agreements for higher volumes. While this works well for on-demand lookups, it becomes expensive when you need data on thousands or millions of domains for research, analysis, or brand monitoring.
WebTrackly takes a fundamentally different approach to domain data. Instead of querying one domain at a time through an API, you download the entire WHOIS database for a TLD as a CSV file. Each package contains registrant names, organizations, email addresses, registration dates, expiry dates, and nameserver data for every domain in that zone.
This means you can get data on hundreds of thousands of domains in a single download — the same volume that would cost thousands of dollars in per-query API fees from WhoisXMLAPI or Whoxy.
Bulk WHOIS downloads are superior for several common use cases:
Consider a typical research scenario: you need WHOIS data on 100,000 .com domains. With WhoisXMLAPI at $0.04/query, that costs $4,000. With Whoxy at $0.02/query, it's $2,000. With WebTrackly, a single zone-file package containing millions of domains starts at $3.50. The economics are dramatically different when you need data at scale.
Per-query APIs excel in different scenarios. If you need real-time WHOIS lookups for freshly registered domains, programmatic access integrated into your security tools, or DNS/IP intelligence alongside WHOIS data, WhoisXMLAPI and Whoxy provide capabilities that a bulk download cannot match. Their APIs are ideal for building automated monitoring systems, security workflows, and real-time domain verification tools where fresh, on-demand data is essential.
716 TLDs. Full database CSV. One-time download. From $3.50.
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