Output
For a given IPv4 or IPV6 address, domain name, or email:

• Domain age
• Created date
• Updated date
• Expires date
• Registrant’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Administrative contact’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Technical contact’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Nameservers and hostnames
• Status
• Registrar details
• Availability
• … and more

How to use
Check our Whois API docs for more information. You can also find code examples in various programming languages on GitHub.

The service automatically follows the whois registry referral chains until it finds the correct whois registrars with the most complete whois data. WHOIS API works over basic HTTP and avoids firewall-related problems of accessing Whois servers on port 43.

Benefits

• Real-time and comprehensive with over a billion active WHOIS records for both domains and subdomains across 2,864+ gTLDs and ccTLDs
• All the WHOIS information is well-parsed and normalized to a consistent format for easy integration with business processes
• The query results are returned in XML & JSON with parsed fields and raw texts
• Easily integrable and RESTful API, compatible with all major programming languages

Use cases

• Cybercrime research, prevention, detection, and investigation
• Detect spam, malicious websites, intrusions, transaction fraud, and other online misbehaviors
• Establish connections between domains, websites, and IP addresses
• Check domain registration changes and availability
• Ensure reliable and secure domain name ownership transfer and management
• Protect your intellectual property and avoid potential trademark infringements by monitoring domain name similarities, duplicates, or copycats
• Learn about the competition and identify investment opportunities
• Build new business relationships using WHOIS records’ contact details

Benefits

• Get key data points for domains including Registrant name, organization, e-mail address, registration address, registrar information, creation date, expiration date, updated date, domain availability, domain age, and much more.
• All the WHOIS information is well parsed and normalized to a consistent format for easy integration with your business processes.
• The query results with both parsed fields and raw texts are returned in popular XML & JSON format.
• Real-time WHOIS data, ensuring that only the most up to date and accurate information is available.
• Easily integrable and RESTful API, compatible with all major programming languages

Additional support, sample codes, etc.

Additional documentation and support is provided on the webpage of the API.

Examples of use in popular programming languages are provided in our GitHub repository.

WHOIS records

Output
For a given IPv4 or IPV6 address, domain name, or email:

• Domain age
• Created date
• Updated date
• Expires date
• Registrant’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Administrative contact’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Technical contact’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Nameservers and hostnames
• Status
• Registrar details
• Availability
• … and more

##How to use
Check our Whois API docs for more information. You can also find code examples in various programming languages on GitHub.

The service automatically follows the whois registry referral chains until it finds the correct whois registrars with the most complete whois data. WHOIS API works over basic HTTP and avoids firewall-related problems of accessing Whois servers on port 43.

Practical uses

• Cyber Security researchers use WHOIS API for investigating & curbing cybercrime.
• Cyber Security and anti-malware solutions use WHOIS API to detect spam, malicious websites, intrusions, and other online misbehaviors.
• Payment processors and banks use WHOIS API to detect transaction fraud.
• Domainers use WHOIS API to check domain names availability and to track domain registration changes.
• Registries, registrars and domain brokers use WHOIS API to ensure reliable and secure domain name ownership transfer and management.
• Brand agents use WHOIS data to protect their intellectual property and to check potential trademark infringements. They also use WHOIS searches to scope domain name similarities, duplicates, or copycats.
• Domain investors use the information gained from WHOIS searches to learn about their competition and to identify investment opportunities.
• Law enforcement agencies use WHOIS API to identify all the connected domains, websites and IP addresses associated with fraudulent activities and criminals.
• Website owners and managers use WHOIS API to identify new business and partnership opportunities and to locate potential buyers through the contact details provided in the WHOIS records.

Benefits

• Get key data points for domains including Registrant name, organization, e-mail address, registration address, registrar information, creation date, expiration date, updated date, domain availability, domain age, and much more.
• All the WHOIS information is well parsed and normalized to a consistent format for easy integration with your business processes.
• The query results with both parsed fields and raw texts are returned in popular XML & JSON format.
• Real-time WHOIS data, ensuring that only the most up to date and accurate information is available.
• Easily integrable and RESTful API, compatible with all major programming languages

Additional support, sample codes, etc.

Additional documentation and support is provided on the webpage of the API.

Examples of use in popular programming languages are provided in our GitHub repository.

WHOIS records

Output
For a given IPv4 or IPV6 address, domain name, or email:

• Domain age
• Created date
• Updated date
• Expires date
• Registrant’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Administrative contact’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Technical contact’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Nameservers and hostnames
• Status
• Registrar details
• Availability
• … and more

How to use
Check our Whois API docs for more information. You can also find code examples in various programming languages on GitHub.

The service automatically follows the whois registry referral chains until it finds the correct whois registrars with the most complete whois data. WHOIS API works over basic HTTP and avoids firewall-related problems of accessing Whois servers on port 43.

WHOIS records

Output
For a given IPv4 or IPV6 address, domain name, or email:

• Domain age
• Created date
• Updated date
• Expires date
• Registrant’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Administrative contact’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Technical contact’s organization, street, city, state, postal code, country, country code, email, telephone, fax
• Nameservers and hostnames
• Status
• Registrar details
• Availability
• … and more

How to use
Check our Whois API docs for more information. You can also find code examples in various programming languages on GitHub.

The service automatically follows the whois registry referral chains until it finds the correct whois registrars with the most complete whois data. WHOIS API works over basic HTTP and avoids firewall-related problems of accessing Whois servers on port 43.

Additional support, sample codes, etc.

Additional documentation and support is provided on the webpage of the API.

Examples of use in popular programming languages are provided in our GitHub repository.

Benefits

• Get key data points for domains including Registrant name, organization, e-mail address, registration address, registrar information, creation date, expiration date, updated date, domain availability, domain age, and much more.
• All the WHOIS information is well parsed and normalized to a consistent format for easy integration with your business processes.
• The query results with both parsed fields and raw texts are returned in popular XML & JSON format.
• Real-time WHOIS data, ensuring that only the most up to date and accurate information is available.
• Easily integrable and RESTful API, compatible with all major programming languages

Practical uses

• Cyber Security researchers use WHOIS API for investigating & curbing cybercrime.
• Cyber Security and anti-malware solutions use WHOIS API to detect spam, malicious websites, intrusions, and other online misbehaviors.
• Payment processors and banks use WHOIS API to detect transaction fraud.
• Domainers use WHOIS API to check domain names availability and to track domain registration changes.
• Registries, registrars and domain brokers use WHOIS API to ensure reliable and secure domain name ownership transfer and management.
• Brand agents use WHOIS data to protect their intellectual property and to check potential trademark infringements. They also use WHOIS searches to scope domain name similarities, duplicates, or copycats.
• Domain investors use the information gained from WHOIS searches to learn about their competition and to identify investment opportunities.
• Law enforcement agencies use WHOIS API to identify all the connected domains, websites and IP addresses associated with fraudulent activities and criminals.
• Website owners and managers use WHOIS API to identify new business and partnership opportunities and to locate potential buyers through the contact details provided in the WHOIS records.