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Reverse Whois API Documentation

Reverse WHOIS API

The Reverse WHOIS API searches our 3.6B+ record database backward. You provide an owner attribute and receive every domain connected to it. Four search dimensions are supported: email address, registrant name, company name, and domain keyword. Each accepts either exact-match or pattern-based queries depending on the identifier type.

Authorization

You can make authorized requests to our API by passing API key as a query parameter. To get your API key, login to our billing dashboard and get your API key! If your API key has been compromised, you can change it by clicking on reset button in billing dashboard.

Query Parameters

Required
  • apiKey
    Get your API key from our billing dashboard.
  • whois
    The value of whois will be 'reverse'.
  • keyword
    The domain keyword for requested whois.
  • email
    The email for requested WHOIS (exact or regex match).
  • owner
    The owner name for requested whois.
  • company
    The company name for requested whois.
Optional
  • mode
    Two modes are available mini & default.
  • exact
    The 'exact' parameter can be either 'true' or 'false'.
  • page
    For getting next or desired page of WHOIS info.
  • format
    Two formats are available JSON, XML. If you don't specify the 'format' parameter, the default format will be JSON.

Request

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SHELL
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Response

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Status Codes

Success Codes
  • 200  Request is processed successfully.
Failure Codes
  • 400  Please provide correct value Param
  • 401  Provided API key is invalid.
  • 401  Provided API key is inactive.
  • 401  Please buy a subscription plan or add api credits, then use this api key.
  • 401  Your subscription is deactivated. Please buy new plan or add api credits for using whoisfreaks APIs.
  • 401  Your subscription is deactivated due to much time payment failure. Please buy a new plan or add api credits for using whoisfreaks APIs.
  • 401  Your account is deactivated.
  • 401  You are blocked due to suspicious activity.
  • 404  Record not found.
  • 412  You have exceeded the limit of api plan requests and your subscription is canceled.
  • 413  You have exceeded the limit of api credits requests [allowed_request_no]. Please upgrade your plan.
  • 413  You have exceeded the limit of Surcharge Requests [allowed_surcharge_request_no]. Please upgrade your plan.
  • 429  Please slow down. Your maximum request limit per minute is reached.
  • 500  Internal Server error occurred.
  • 503  Service is unavailable. Please try after some time.
  • 504  Request is timed-out.