check

Check WHOIS

Get WHOIS registration data. whois is the raw cached WHOIS payload (shape follows the WHOIS provider), or null.

get/check/whois

Query parameters

querystring

IP address or domain to check

Response

WHOIS data response: {"whois": <raw WHOIS payload> | null}

whoisobject nullable

Changes

Changed in 2 of the 6 revisions of this API.981

Aug 31, 20269d9ef31d83e5971See the full diff
- ▲
  the response property became nullable for the status
  response-property-became-nullable
- ▲
  the response property became nullable for the status
  response-property-became-nullable
- ▲
  the response property became nullable for the status
  response-property-became-nullable
- ▲
  the response property became nullable for the status
  response-property-became-nullable
- ▲
  the response property became optional for the status
  response-property-became-optional
- ▲
  the response property became optional for the status
  response-property-became-optional
- ▲
  the response property became optional for the status
  response-property-became-optional
- ▲
  the response property became optional for the status
  response-property-became-optional
- ▲
  removed the required property / from the response with the status
  response-required-property-removed
- ●
  deleted the path request parameter enrichment
  request-parameter-removed
- ●
  deleted the path request parameter query
  request-parameter-removed
- ●
  removed the optional property / from the response with the status
  response-optional-property-removed
- ●
  removed the optional property / from the response with the status
  response-optional-property-removed
- ●
  removed the optional property / from the response with the status
  response-optional-property-removed
- ●
  removed the optional property / from the response with the status
  response-optional-property-removed
- ●
  removed the optional property / from the response with the status
  response-optional-property-removed
- ○
  added the new optional query request parameter query
  new-optional-request-parameter
This revision also has 17 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog
Aug 30, 2026aa5294fdc8d81See the full diff
- ●
  deleted the path request parameter track_reports
  request-parameter-removed

Full history