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API commands

Please find in the following a set of the most commonly used standard API commands in order to register, modify, renew, and transfer a domain name.

Domain Registration

(API Command reference » AddDomain)
command         = AddDomain
domain          = yourdomain.jp
period          = (INT)
ownercontact0   = (CONTACT)
admincontact0   = (CONTACT)
techcontact0    = (CONTACT)
billingcontact0 = (CONTACT)
nameserver0	= (NAMESERVER)
nameserver1 	= (NAMESERVER)

Domain Modification

(API Command reference » ModifyDomain)
command = ModifyDomain
domain  = yourdomain.jp

Domain Renewal

RenewDomain is not available for .jp TLDs.

.jp domains cannot be renewed explicitly. To renew a .jp domain you have to set the domain renewal mode or default renewal mode to AUTORENEW or RENEWONCE.

Domain Deletion

(API Command reference » DeleteDomain)
command = DeleteDomain
domain  = yourdomain.jp

Domain Transfer

(API Command reference » TransferDomain)
command = TransferDomain
domain  = yourdomain.jp
action  = request
auth    = REG-XX-XXXX-XXXX
ownercontact0   = (CONTACT)
  • Transfers are NOT possible, if the domain is expiring within the next 30 days.
  • A .jp domain transfer must be initiated with a so-called REG-ID, which has to stated in the authorisation code field.
    • You can receive this REG-ID from the current registrar of the domain.
  • The current owner contact information is required, a change of registrant is NOT possible during the transfer

Domain Restore

(API Command reference » RestoreDomain)
command = RestoreDomain
domain  = yourdomain.jp

The restore request will be manually processed by our support team. You will be notified by email.

Domain Restrictions

  • A local address in Japan is provided automatically, if the owner contact does not contain a local Japanes address.
  • If you are using JP as country code in one of the contact handles (owner, admin, tech or billing contact), the field "state" becomes mandatory and has to contain the 2digit JISX040 (ISO 3166-2:JP) prefecture code.

IDN Information

IDNs only available in the following character sets:

  • Kanji
  • Hiragana
  • Katakana

A General-use JP domain name containing Kanji, Hiragana, and/or Katakana must consist of one to fifteen (1~15) characters, excluding ".JP" suffix. The number of characters in an ASCII JP domain name must be from three to sixty-three (3~63).
Please note that if ASCII, Kanji, Hiragana and/or Katakana characters coexist in a same label of a General-use JP domain name, each character will be counted as one, whether or not it is of double byte code or single byte code.

A full list of supported Japanese characters can be found on following website: https://jprs.jp/doc/rule/saisoku-1-wideusejp-furoku-4.html

Supported IDN Scripts

The following IDN scripts are supported by .jp


Get more information of "IDN tables", which represent permitted code points (letters) allowed for Internationalised Domain Name registrations in particular registries on IANA Repository of IDN Practices.

Wedomains :)