One unified format for any available WHOIS data

RST Cloud provides a unified Whois API service with normalised data from any registrars globally in a simple JSON format in an almost unlimited requests frequency rate

Group 33012

Key Usage

activity 1

Phishing investigations

activity 1 (1)

SPAM investigations and e-mail security

activity 1 (2)

FRAUD detection

activity 1 (3)

Tracking domain registration information and checking domain name availability

activity 1 (4)

Researching web infrastructure, locating geo positions

What makes us different

–°omprehensive unified API which you can use from any platform, system or security tool

Real-time whois data for any domain in ready-to-use unified format (JSON)

No query rate limits from registrars

Keeping your requests private by proxying them on behalf of our service

Flexible pricing policy with low entry

Usage Examples


Use in the Antispam solution to assess the reliability of the domain - lifetime, availability of registration data, etc.


Use by SOC experts during investigating a suspected incident to obtain detailed data about a domain


Checking the existence/availability of a domain name for various purposes (OSINT and brand protection, search for phishing resources, investment analysis of domain names, etc.)

Credit card_fill

Banks and financial companies to prevent fraud - checking discrepancies in customer information and preventing intruders


Marketing research, market, sales and other big data analytics


  "status": "registered",
  "registered?": "true",
  "created_on": "2022-01-01 00:00:00",
  "updated_on": "2022-01-01 00:00:00",
  "expires_on": "2023-01-01 00:00:00",
  "age": 365,
  "registrar": "Registrar Name",
  "registrant": "Registrant Name",
  "nameservers": ","