latestOpenAPI 3.0.2cPanel License2026-08-106251554.3 MB

3da41671c02c

DNS
Domain Management

Create subdomain

This function creates a subdomain.

get/create_subdomain

Query parameters

document_rootstring required
Example:public_html/directory_name

The subdomain's document root within the home directory.

Note:

  • An invalid document root path will cause this function to fail.
  • If the Restrict document roots to public_html value is set to On in WHM's Tweak Settings interface (WHM >> Home >> Server Configuration >> Tweak Settings), this parameter must begin with the public_html/ path. For more information, read the cpanel.config file documentation.
domainstring domain required
Example:subdomain.example.com

The subdomain name to create.

use_canonical_name0 | 1

Whether to use a canonical name in the Apache® configuration for self-referential URLs.

  • 1 — Use the canonical name.
  • 0 — Do not use the canonical name.

Response

HTTP Request was successful.

Example response

{
  "data": {
    "username": "example"
  },
  "metadata": {
    "command": "create_subdomain",
    "reason": "OK",
    "result": 1,
    "version": 1
  }
}