Create a new user account

{
  "type": "object",
  "description": "User creation",
  "required": [
    "password",
    "username"
  ],
  "properties": {
    "email": {
      "type": "string",
      "format": "email",
      "description": "Email of the new account"
    },
    "firstname": {
      "type": "string",
      "description": "First name of the user"
    },
    "lastname": {
      "type": "string",
      "description": "Last name of the user"
    },
    "locale": {
      "type": "string",
      "description": "The user language",
      "enum": [
        "en",
        "en-GB",
        "es",
        "fr",
        "de",
        "it",
        "ja",
        "ko",
        "nl",
        "pl",
        "pt",
        "pt-BR",
        "ro",
        "ru",
        "sv",
        "tr",
        "zh-Hans"
      ]
    },
    "password": {
      "type": "string",
      "format": "password",
      "description": "Password of the new account"
    },
    "username": {
      "type": "string",
      "description": "Username of the new account"
    }
  }
}