{
    "ContentTypeCreate": {
        "identifier": "TContentType",
        "mainLanguageCode": "eng-GB",
        "urlAliasSchema": "<name>",
        "nameSchema": "<name>",
        "isContainer": "true",
        "defaultSortField": "PATH",
        "defaultSortOrder": "ASC",
        "defaultAlwaysAvailable": "true",
        "names": {
        "value": [
            {
            "_languageCode": "eng-GB",
            "#text": "RESTv2DatatypeTest"
            }
        ]
        },
        "descriptions": {
        "value": [
            {
            "_languageCode": "eng-GB",
            "#text": "This is a description"
            }
        ]
        },
        "FieldDefinitions": {
        "FieldDefinition": [
            {
            "identifier": "name",
            "fieldType": "ezstring",
            "names": {
                "value": [
                {
                    "_languageCode": "eng-GB",
                    "#text": "Name"
                }
                ]
            },
            "descriptions": {
                "value": [
                {
                    "_languageCode": "eng-GB",
                    "#text": "This is the name"
                }
                ]
            },
            "fieldGroup": "content",
            "position": "1",
            "isTranslatable": "true",
            "isRequired": "true",
            "isInfoCollector": "false",
            "isSearchable": "true",
            "defaultValue": "New Name"
            }
            ,
        {
          "identifier": "xmltext",
          "fieldType": "ezxmltext",
          "names": {
            "value": [
              {
                "_languageCode": "eng-GB",
                "#text": "XmlText"
              }
            ]
          },
          "descriptions": {
            "value": [
              {
                "_languageCode": "eng-GB",
                "#text": "This is a ezxmltext test"
              }
            ]
          },
          "fieldGroup": "content",
          "position": "2",
          "isTranslatable": "true",
          "isRequired": "false",
          "isInfoCollector": "false",
          "isSearchable": "true"
          ,"fieldSettings": {
                        "numRows": 10
                    }
        }
        ]
        }
    }
  }

http --auth $user:$password GET 'http://$hostname/api/ezp/v2/content/types/40'