Check Availability - IDN


Checks the availability of the specified Internationalized Domain Name(s) (IDN).


Name Data Type Required / Optional Description
auth-userid Integer Required Authentication Parameter
api-key String Required Authentication Parameter
domain-name Array of Strings Required

Internationalized Domain Name(s) that you need to check the availability for

Refer to the supported character sets mentioned below:


The domain name used in the API call can be in Unicode (the native language) or in Punycode format.

Example: The domain name can be provided as ??111 (Unicode) or xn--111-dkd4l (Punycode).

domain-name=??111 domain-name=xn--111-dkd4l

tld String Required TLD for which the domain name availability needs to be checked See details
idnLanguageCode String Required

While performing check availability for an Internationalized Domain Name, you need to provide the corresponding language code:

HTTP Method


Example Test URL Request


Returns a hash map containing domain name availability status for the requested TLDs:

  • available - domain name available for registration

  • regthroughus - domain name currently registered through the Registrar whose connection is being used to check the availability of the domain name

  • regthroughothers - domain name currently registered through a Registrar other than the one whose connection is being used to check the availability of the domain name. If you wish to manage such a domain name through your Reseller / Registrar Account, you may pass a Domain Transfer API call. See details

  • unknown - returned, if for some reason, the Registry connections are not available. You should ideally re-check the domain name availability after some time.