Our database now contains whois records of 246 Million (246,440,472) domain names.
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Whois API / Whois History / Reverse Whois

Our Whois API returns consistent and well-structured WHOIS data in XML & JSON format. Returned data contain parsed WHOIS fields that can be easily understood by your application. Along with Whois API, we also provide API access to Whois History and Reverse Whois.

Powered by Amazon Web Services With support for 2026 TLDs, our cloud-based API lets you quickly access any domain's WHOIS data through Bulk Whois Lookup, Newly Registered Domains, Dropped Deleted Domains, Expiring Domains and Whois Database Download.
Our Services Price Order
1000 Whois Lookup API Queries $2 PayPal
500 Whois History API Queries $2 PayPal
200 Reverse Whois API Queries $2 PayPal
Newly Registered Domains Database $95 Details
Whois Database [246 Million Domains] $5195 Details

Whois History

Simply enter a domain name below to check it's WHOIS History and Website Ownership History.

Domain NameRegistrarCreatedUpdatedExpiry
uxun.wangAlibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)1 Jan 20173 Jan 20171 Jan 2018
acavallo.comFastDomain Inc.29 Jan 20042 Jan 201729 Jan 2018
usnow.centerGoDaddy.com, LLC20 Oct 20146 Jan 201720 Oct 2017
usm.kaufenAscio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA21 Oct 201410 Jan 201721 Oct 2017
usloan.centerGoDaddy.com, LLC20 Oct 20146 Jan 201720 Oct 2017

Whois History Demo

Whois History API

You can fetch WHOIS history of any domain name through:


Whois History API returns all the historical WHOIS records of a domain name that is saved in our local database.
This API call does NOT query the live WHOIS servers, and only returns the records present in our database.
In case Zero WHOIS records are present in our database, you will NOT be charged any API queries.

Sample Output: JSON SchemaXML SchemaJSON Live ResultsXML Live Results

Retrieving Data in XML Format

Simple add "&format=xml" to your API call and get results in XML Format.


Kindly use XML format only if your application strictly requires XML data. Compared to lightweight JSON format, XML carries a lot of extra baggage. This results in slower data transmission, and affects the overall performance of your application interacting with our API. We highly recommend you use JSON format whenever possible.

Account Balance Check

You can check your account's API query balance through:


Sample Output: JSON SchemaXML SchemaJSON Live ResultsXML Live Results

API Status Codes

Every API call will return a Status of either: 0 (ERROR) or 1 (SUCCESS)
In case of Status 0, the reason behind failure of the API call will also be returned.

Sample Output: Invalid API Key (JSON)Invalid API Key (XML)

Pricing & Packages

Whois History Pricing Total API Calls Price CPM Purchase
250 Whois History API Queries 250 FREE $0 Signup Now
500 Whois History API Queries 500 $2 $4.00 Order Now
5,000 Whois History API Queries 5,000 $20 $4.00 Order Now
27,500 Whois History API Queries 27,500 $100 $3.64 Order Now
62,500 Whois History API Queries 62,500 $200 $3.20 Order Now
175,000 Whois History API Queries 175,000 $500 $2.86 Order Now
500,000 Whois History API Queries 500,000 $1000 $2.00 Order Now

Frequently Asked Questions

  1. API Key is available through: Account Manager » API Settings
  2. You will receive each and every unique WHOIS record present in our database for the requested domain name. If no WHOIS record is present in our database, an empty result is returned back.
  3. You will not be charged any API credits if zero WHOIS records are returned for the domain name.
  4. We started recording WHOIS records since November 2012. So the earliest whois data of a domain name in our database will be from November 2012. For reference, you may check all the historical whois records of yahoo.com domain name.
  5. Yes! We only save WHOIS record which contain some changes as compared to the domain's previous WHOIS record.
  6. As we do not save Raw Whois text in our database, this is not included with Whois History results.
  7. Yes, this can be activated through: Account Manager » Account Settings
  8. Please signup now and receive FREE API Credits to test the Whois History API.

If you have any questions, please contact us at Email Address

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