rtf_info returns information about Microsoft RTF files. This information is only available for Premium API users.

document_properties: <dictionary> structural metadata about the document.
- custom_xml_data_properties: <integer> number of custom XML data objects.
- default_ansi_codepage: <string> used codepage (i.e. "Western European").
- default_character_set: <string> character set used (i.e. "ANSI").
- default_languages: <list of strings> languages detected in the document.
- dos_stubs: <integer> number of found DOS stubs.
- embedded_drawings: <integer> number of contained drawings.
- embedded_pictures: <integer> number of embedded pictures.
- longest_hex_string: <integer> longest hexadecimal string found in the document.
- non_ascii_characters: <integer> number of non-ASCII characters in the document.
- objects: <list of dictionaries> list of objects contained. Every item on the list contains the following fields:
  - class: <string> object class.
  - type: <string> object type.
- read_only_protection: <boolean> noting if file is for read only.
- rtf_header: <string> RTF header (i.e. "rtf1").
- user_protection: <boolean> user protection.
summary_info: <dictionary> other document properties. Additional subfields may be returned, but the most common ones are:
- author: <string> document author.
- company: <string> document's author's company name.
- creation_time: <string> date of creation in in %Y-%m-%d %H:%M:%S format.
- editing_time: <integer> total editing time in minutes.
- number_of_characters: <integer> number of characters in the document.
- number_of_non_whitespace_characters: <integer> non-whitespace characters found.
- number_of_pages: <integer> number of pages in the document.
- number_of_words: <integer> number of words in the document.
- operator: <string> document creator username.
- print_time: <string> date of last printing in %Y-%m-%d %H:%M:%S format.
- revision_time: <string> date of last revision in %Y-%m-%d %H:%M:%S format.
- title: <string> document title.
- version: <integer> RTF version stated in the document.
- version_number: <integer> document version number.

{
  "data": {
		...
    "attributes" : {
      ...
      "rtf_info": {
        "document_properties": {
            "custom_xml_data_properties": <int>, 
            "default_ansi_codepage": "<string>", 
            "default_character_set": "<string>", 
            "default_languages": [
                "<strings>"
            ],
            "dos_stubs": <int>, 
            "embedded_drawings": <int>,
            "embedded_pictures": <int>, 
            "longest_hex_string": <int>,
            "non_ascii_characters": <int>,
            "objects": [
                {
                    "class": "<string>",
                    "type": "<string>"
                } ...
            ],
            "read_only_protection": <boolean>, 
            "rtf_header": "<string>", 
            "user_protection": <boolean>,
        },
        "summary_info": {
            "author": "<string>",
            "company": "<string>",
            "creation_time": "<string:%Y-%m-%d %H:%M:%S>",
            "editing_time": <int>,
            "number_of_characters": <int>,
            "number_of_non_whitespace_characters": <int>,
            "number_of_pages": <int>,
            "number_of_words": <int>,
            "operator": "<string>",
            "print_time": "<string:%Y-%m-%d %H:%M:%S>",
            "revision_time": "<string:%Y-%m-%d %H:%M:%S>",
            "title": "<string>",
            "version": <int>,
            "version_number": <int>,
            "<string>": <value>
        }
      }
    }
  }
}

{
    "data": {
        "attributes": {
            "rtf_info": {
                "document_properties": {
                    "custom_xml_data_properties": 1,
                    "default_ansi_codepage": "Western European",
                    "default_character_set": "ANSI",
                    "default_languages": [
                        "German - Germany",
                        "Arabic - Saudi Arabia"
                    ],
                    "dos_stubs": 0,
                    "embedded_drawings": 21,
                    "embedded_pictures": 2,
                    "longest_hex_string": 77114,
                    "non_ascii_characters": 0,
                    "objects": [
                        {
                            "class": "Package",
                            "type": "OLE embedded"
                        }
                    ],
                    "read_only_protection": false,
                    "rtf_header": "rtf1",
                    "user_protection": false
                },
                "summary_info": {
                    "author": "blablablabla",
                    "company": "blablablabla",
                    "creation_time": "2020-06-24 17:43:00",
                    "editing_time": 0,
                    "number_of_characters": 1935,
                    "number_of_non_whitespace_characters": 2238,
                    "number_of_pages": 2,
                    "number_of_words": 307,
                    "operator": "blablabla",
                    "print_time": "2020-01-08 18:30:00",
                    "revision_time": "2020-06-24 17:57:00",
                    "title": "blablabla",
                    "version": 3,
                    "version_number": 1
                }
            }
        }
    }
}