Domain API - Domain Registration API - ICANN Registrar API - White Label Domain Service

Start Building with NiceNIC Domain API v2

API access is free for every active NiceNIC user. No reseller upgrade is required. Configure your API credentials, make a safe test request, then add the domain, DNS, billing, compliance or WHMCS workflows your application needs.

Register Domain

Domain name registration is the process of reserving a unique name on the Internet for a specific period of time, usually one year or more

Content-Type application/json
category domain
action register

Request parameters

Parameter Name Type Describe Example
domain String (3-60) Domain name example.com
year Integer (4) The registration period is from 1 to 10 years, with some exceptions for certain domains. 1
dns1 Server Primary nameserver ns3.my-ndns.com
dns2 Server Secondary nameserver ns4.my-ndns.com
organization String (1-255) Organization / Company name XXX Ltd.
name String (1-16) Registrant name Xiao Ming
country String (1-255) Country Code, such as CN CN
state String (1-255) Province / State BeiJing
city String (1-255) City acronym BJ
address String (1-255) Mailing address BeiJing
postcode Integer (4-10) Post code / Zip code 100000
phone "." to separate numbers (30) +Country code.district code and phone number +86.13800000000
fax "." to separate numbers (30) +Country code.district code and fax numbe +86.13800000000
email Email address Email address [email protected]
contact_source String (1-255) Contact source, if set to member, contact information will be the same as member information, and other contact information will be ignored member

Response parameters

Parameter Name Type Describe
domain String Domain name
created_date Date Domain registration time
expired_date Date Domain expiration date

Request Example

                                    
{
    curl https://api.nicenic.net/v2/?category=domain&action=register&domain={domain}&year={year}&dns1={dns1}&dns2={dns2}&organization={organization}&name={name}&country={country}&state={state}&city={city}&address={address}&postcode={postcode}&phone={phone}&fax={fax}&email={email}&contact_source={contact_source} 
      -H "Authorization: username:api_secret" 
      -H "Content-Type: application/json" 
}

Return result

0 OK Successful response
                                        
{
    "code": 0,
    "msg" : "success",
    "data" : {
        "domain":"example.com",
        "created_date":"2025-01-21",
        "expired_date":"2026-01-21"        
    }
}
201 Pending Pending order
                                        
{
    "code": 201,
    "msg" : "Pending order, please wait for the order to be processed!"
    }
}

Note: code "201" means the registration order was submitted successfully and the fee was deducted. Final domain activation is still subject to registry confirmation. If the domain cannot be activated, the registration fee will be refunded to your account balance within 24 hours.

400 Bad Request
                                        
{
    "code": 400,
    "msg" : "Request parameter error",
}
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