These fields are not included in the output of any Extract APIs by default, but are accessible by specifying a comma-delimited list of fields in the &fields= parameter of any Extract API.

Example Request

curl --request GET \
     --url 'https://api.diffbot.com/v3/analyze?url=https%3A%2F%2Fwww.diffbot.com&fields=links&token=<YOURTOKEN>' \
     --header 'Accept: application/json'

Available Optional Fields

These optional fields are available for all Extract APIs.

Field	Description
links	Returns a top-level object (`links`) containing all visible hyperlinks found on the page.
extlinks	Returns a top-level object (`links`) containing every hyperlink found in header and footer nodes (visible or not). Links in the body node are not retrieved.
meta	Returns a top-level object (`meta`) containing the full contents of page meta tags, including sub-arrays for OpenGraph tags, Twitter Card metadata, schema.org microdata, and oEmbed metadata (if available).
querystring	Returns any key/value pairs present in the URL querystring. Items without a discrete value will be returned as `true`.
breadcrumb	Returns a top-level array (`breadcrumb`) of URLs and link text from page breadcrumbs.
content	Returns a top-level field (`content`) of the text on the page extracted by Article Extract API .
allContent	Returns a top-level field (`allContent`) of all the visible rendered text on the page. Similar to running `document.querySelector('body').innerText`.
dom	Returns a top-level field (`dom`) of the the rendered page source.

If they have it, API-specific optional fields may also be found in their respective API Reference pages