WhoisXML API’s Data Contribution and Exchange Program | WhoisXML API

Data Contribution and Exchange Program

WhoisXML API continuously collaborates with leading data aggregators and partners to make the Internet safer and more transparent. Our partnerships with entities in the security, domain, and telecommunications sectors ensure that critical Internet intelligence is highly accurate, easily shareable, and seamlessly accessible.

We work with global registries, registrars, Internet service providers (ISPs), and telecommunications companies to access and exchange various datasets covering domain ownership, DNS connections, and IP assignments.

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50 Billion+Domains and subdomains
20.0 Billion+WHOIS records
116 Billion+DNS records
14+Years of data crawling
13.5 Million+IP netblocks in total

Program Participants

  • Security Companies and Researchers

    WhoisXML API provides security researchers and companies with extensive Internet intelligence that enables them to expand the scope and accuracy of their investigations and better monitor and respond to significant Internet security events.

  • Registrars, Registries, and Domain Industry Players

    We work with ccTLD, gTLD, and new TLD registries and registrars and related organizations to help detect, reduce, and prevent Internet abuse by streamlining the collection and sharing of critical domain, DNS, and IP intelligence.

  • ISPs and Telcos

    ISPs and telecommunications companies regularly provide us with the latest raw IP data. We use this information to keep our IP databases current and help ensure the seamless operation of Internet services.

What Data Can You Provide?

Our collection of domain, DNS, IP, and threat intelligence data sources cover:

Domain names

Domain history




Email addresses

IP addresses

net org com

DNS History

Threat Intelligence

Partner Success Stories

Mapping Malicious Coronavirus Domains Using WHOIS Data

Learn how ProPrivacy, VirusTotal, and WhoisXML API partnered to create and maintain a list of suspicious domain names linked to the COVID-19 pandemic.

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OSINT Tech That Saves Lives

Learn how the National Child Protection Task Force (NCPTF) teamed up with WhoisXML API and dozens of OSINT technology partners and law enforcement investigators to work on missing person cases.

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Get Started with the Data Contribution and Exchange Program

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