JSON Feed (jsonfeed.org)

What is JSONFeed?

JSON Feed, a format similar to RSS and Atom but in JSON. JSON has become the developers’ choice for APIs, and that developers will often go out of their way to avoid XML.
JSON is simpler to read and write, and it’s less prone to bugs.

Can I add other fields to the feed?

Yes you can! There is a filter, json_feed_item, that allows you to modify the items in the feed just before they’re inserted into the feed itself. For example, if you want to add a link to a post author’s archive page to the respective item in the feed, you can use the following code:

`

function wp_custom_json_feed_fields( $feed_item, $post ){
$feed_item[‘author’][‘archive_link’] = get_author_posts_url( $post->post_author );

return $feed_item;

}
add_filter( ‘json_feed_item’, ‘wp_custom_json_feed_fields’, 10, 2);
`

Can I write information to my posts?

This is a syndication format, which means it only represents your posts and comments as feed elements. This is read only, similar to RSS or Atom. It is not an API.

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1.4.5

• Sanity check on $max_page
• Add filter jsonfeed_comments_feed_enable, which if set to false will disable the comments feed header.
• Add mime type for jsonfeed to filter for W3C Cache Plugin per GitHub issue 67.

1.4.4

• Fix declaration error

1.4.3

• Add next_url
• Add CORS header

1.4.2

• Update WebSub support

1.4.1

• Added author field back for compatibility with JSON Feed 1.0.

1.4.0

• Switch to using GUID for the ID
• Update to the JSONFeed 1.1 standard
• Use the RSS versions of title functions to allow these filters to be used

1.3.1

• Fix attachment array
• Replace custom function with backcompat of function introduced into Core

1.3.0

• Add comments template
• JSONFeed icon now part of repo
• Allow for multiple attachments
• Respect summary setting
• Add support for extra feeds in header

1.2.0

• dshanske added as a contributor/maintainer
• Add featured image if set
• Add site icon if set
• home_page_url now actually returns the correct URL instead of always returning the homepage of the site
• Add avatar and URL to author
• Include site name in feed name in the discovery title
• Fix issue with timezone not reflecting on date

1.1.2

1.1.1

1.0

• Initial release