Making requests | Documentation | Reverse NS API | WhoisXML API

Making requests

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Input parameters


Required. Get your personal API KEY on My products page.


Required. Name server.


Optional. The domain name which is used as an offset for the results returned.

Since every response is limited to 300 records, you can retrieve the next page by putting the last domain name from the response into this parameter. For example, if the last domain name in the response is and the field "size" in the output equals 300, in order to retrieve the next page, call

If the parameter is omitted, you get arbitrary 300 records.

To get the first page, put 1 into the parameter.


Optional. Response output format.

Acceptable values: JSON | XML

Default: JSON

Free access

After Sign Up you automatically get a free subscription plan limited to 500 DRS credits.

Usage limits and requests throttling

The maximum number of requests per second is 10. In case that the limit is breached, your subsequent requests will be rejected until the next second.

This API is also available with a dedicated load balancer and premium endpoint to enable faster querying as part of our Premium API Services and Enterprise API Packages.