Reverse Lookup
The Reverse WHOIS API allows searches across WHOIS records by email (registrant, billing, administrative, technical contacts), owner, keyword, or company. It supports pattern matching when the exact parameter is set to false. For instance, to find a keyword containing ‘end’ after ‘whois’, you can use 'whois*end'. The * (asterisk) represents any number of characters, making searches more flexible and powerful.
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.
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.
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.