Insights

Cybersecurity Focus With over 14 years of experience in gathering and analyzing domain, IP, and DNS data, WhoisXML API is a trusted provider of cyber threat intelligence serving security companies, law enforcement, and enterprise clients. This indicates a strong potential for expanding sales within organizations seeking advanced cybersecurity solutions.

Expanding Product Portfolio Recent launches such as the Domain Info API, TLD RDAP Monitor, and DNS Chronicle API demonstrate active product development and innovation, providing opportunities to upsell or cross-sell these new offerings to existing clients or target new customer segments.

Market Engagement Active participation in industry events like Code Blue 2025 and BSides Chicago 2025 reflects a strategic focus on industry engagement, making it ideal to leverage these channels for outreach and pitch tailored cybersecurity solutions to attending organizations.

Data-Driven Insights Holding one of the largest collections of historical WHOIS records and DNS data positions WhoisXML API as a key data provider for enterprises and security agencies, presenting opportunities to offer customized data feeds and analytics services to organizations needing reliable threat intelligence.

Growing Revenue With annual revenues estimated between $25 million and $50 million and a rapidly expanding product suite, there is substantial potential for targeted sales efforts focused on mid-sized to large security providers and government agencies looking for comprehensive cyber intelligence solutions.

Similar companies to WhoisXML API

WhoisXML API Tech Stack

WhoisXML API uses 8 technology products and services including Quora Pixel, cdnjs, Open Graph, and more. Explore WhoisXML API's tech stack below.

  • Quora Pixel
    Analytics
  • cdnjs
    Content Delivery Network
  • Open Graph
    Content Management System
  • Google Workspace
    Email
  • JSON-LD
    Javascript Frameworks
  • Goober
    Javascript Libraries
  • Priority Hints
    Performance
  • HSTS
    Security

WhoisXML API's Email Address Formats

WhoisXML API uses at least 1 format(s):
WhoisXML API Email FormatsExamplePercentage
First.Last@whoisxmlapi.comJohn.Doe@whoisxmlapi.com
40%
First@whoisxmlapi.comJohn@whoisxmlapi.com
19%
FLast@whoisxmlapi.comJDoe@whoisxmlapi.com
1%
First.Last@whoisxmlapi.comJohn.Doe@whoisxmlapi.com
40%

Frequently Asked Questions

Where is WhoisXML API's headquarters located?

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WhoisXML API's main headquarters is located at 440 North Barranca Avenue #1362 Covina, California 91723 United States. The company has employees across 3 continents, including North AmericaEuropeAsia.

What is WhoisXML API's phone number?

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You can contact WhoisXML API's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is WhoisXML API's official website and social media links?

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WhoisXML API's official website is whoisxmlapi.com and has social profiles on LinkedIn.

What is WhoisXML API's SIC code NAICS code?

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WhoisXML API's SIC code is 8999 - Services, Not Elsewhere Classified NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does WhoisXML API have currently?

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As of February 2026, WhoisXML API has approximately 38 employees across 3 continents, including North AmericaEuropeAsia. Key team members include Vice President Research: E. G.Vice President: A. R.Director Of Business Development: J. R.. Explore WhoisXML API's employee directory with LeadIQ.

What industry does WhoisXML API belong to?

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WhoisXML API operates in the Technology, Information and Internet industry.

What technology does WhoisXML API use?

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WhoisXML API's tech stack includes Quora PixelcdnjsOpen GraphGoogle WorkspaceJSON-LDGooberPriority HintsHSTS.

What is WhoisXML API's email format?

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WhoisXML API's email format typically follows the pattern of First.Last@whoisxmlapi.com. Find more WhoisXML API email formats with LeadIQ.

WhoisXML API

Technology, Information and InternetCalifornia, United States11-50 Employees

For more than 14 years, WhoisXML API has gathered, analyzed, and correlated domain, IP, and DNS data for a more secure and transparent Internet. 

We offer a vast selection of domain/IP/DNS data feeds, APIs, research and monitoring web tools and cyber threat intelligence. Our coverage includes 21+ billion historical WHOIS records across 7596+ TLDs and ccTLDs, 50+ billion domains and subdomains, 10.4+ million IP netblocks, 99.5% of IPs in use, and 116+ Billion DNS records gathered from over a decade of data aggregation.

Our products and intelligence sources can support all types of security companies, enterprises, and experts to empower next-generation cybersecurity processes and as a building block for thorough online cybercrime investigations.

We are a cyber threat intelligence provider trusted by over 50,000 clients and have been ranked one of Inc. 5000 fastest growing IT companies since 2017. Our customer base includes commercial security platforms (SIEM, SOAR, and TIP), Security Operations Centers (SOCs), Managed Security Service Providers (MSSPs), Fortune 1000 companies, top cybercrime & law enforcement units, government agencies, banks, payment processors, telcos, and brand protection agencies. We also work closely with domain registries/registrars, domain investors/brokers, marketing researchers, big-data warehouses, web analytics firms, investment funds, VC firms, SMBs with a digital footprint, and more.

Section iconCompany Overview

Headquarters
440 North Barranca Avenue #1362 Covina, California 91723 United States
Phone number
SIC Code
8999 - Services, Not Elsewhere Classified
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
11-50

Section iconFunding & Financials

  • $25M$50M

    WhoisXML API's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    WhoisXML API's revenue is estimated to be in the range of $25M$50M

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