Optional Query parameters:

* `search={url-encoded string}`: narrow listing by searching for words in the articles
* `fields={field1,field2}`: only return these fields
* `format={format-type}`: return the content in that content type (if you can't set the `Accept` header)
* `accept={content-type}`: return the content in that content type (if you can't set the `Accept` header)

Optional filters:

* `grade={grade}[&grade={grade}]`: return only items that contain at least one of the specified grades
* `modified_since={YYYY-MM-DD+HH:MM:SS}`: only return items that have been modified since the date. Time is 24 hour format.
* `subject={subject}[&subject={subject}]`: return only items that contain at least one of the specified subjects

Available formats:

* `format=api` or `accept=text%2Fhtml`: The HTML interactive format (default)
* `format=json` or `accept=application%2Fjson`: JavaScript Object Notation
* `format=xml` or `accept=application%2Fxml`: eXtensible Markup Language
* `format=xliff` or `accept=application%2Fx-xliff%2Bxml`: XML Localisation Interchange File Format

GET /api/interactive/df9916b5-842c-4d39-9c0e-410e719856d0
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://admin.nationalgeographic.org/api/interactive/df9916b5-842c-4d39-9c0e-410e719856d0",
    "html_url": "https://www.nationalgeographic.org/interactive/martian-meteorites",
    "uuid": "df9916b5-842c-4d39-9c0e-410e719856d0",
    "title": "Martian Meteorites",
    "subtitle": "",
    "description": "As of July 2015, scientists had identified about 85 Martian meteorites, mostly clustered in the barren deserts of Antarctica and the Sahara.",
    "content": "<p>As of July 2015, scientists had identified about 85 Martian meteorites, mostly clustered in the barren deserts of Antarctica and the Sahara.</p>\r\n",
    "key_image": "https://media.nationalgeographic.org/assets/photos/496/641/255cf72b-ea1a-4339-a15f-a5b141a00869.jpg",
    "credits": {
        "Writer": [
            "Caryl-Sue"
        ],
        "Editor": [
            "Jeannie Evers, Emdash Editing"
        ],
        "Producer": [
            "Caryl-Sue"
        ]
    },
    "appropriate_for": [
        "Educator"
    ],
    "geologic_time": null,
    "relevant_start": null,
    "relevant_end": null,
    "subjects": [
        "Earth Science",
        "Earth Science > Astronomy",
        "Geography"
    ],
    "grades": [
        "6",
        "7",
        "8",
        "9",
        "10",
        "11",
        "12"
    ],
    "eras": [],
    "last_modified": "2015-08-27T13:07:24.848581Z",
    "thumbnail": "https://media.nationalgeographic.org/assets/photos/496/641/255cf72b-ea1a-4339-a15f-a5b141a00869_c11-0-989-734_r60x45.jpg?b6b8793443c9e2067251e7b53c472fbb3cada043",
    "content_type": "interactive",
    "versions": {}
}