Creates a new subaccount under the authenticated main account. Subaccounts allow you to organize trading activities and manage risk separately from the main account.

This method takes no parameters. The new subaccount will be created with default settings and can be configured using other subaccount management methods.

📖 Related Article: Managing Subaccounts

Scope: account:read_write and mainaccount

Try in API console

{
  "result": {
    "email": "user@example.com",
    "system_name": "username_1",
    "portfolio": {
      "btc(example)": {
        "additional_reserve": 0.3
      }
    }
  }
}