Felix Arntz

Implements JSON feeds following the official JSON feed specification by using the WordPress REST API. By default, only a JSON feed for regular posts is added. This can be easily customized to also provide JSON feeds for e.g. certain custom post types.
<ul>
<li>Adds JSON feeds following the official <a href="https://jsonfeed.org/version/1.1" rel="nofollow ugc">version 1.1 spec</a>.</li>
<li>Adds a JSON feed for posts to the REST API by default (e.g. at <code>/wp-json/feed/v1/posts</code>).</li>
<li>Allows adding JSON feeds for other post types by using a <code>show_json_feed</code> argument when registering the post type.</li>
<li>Places a link tag to the current feed inside the HTML head tag.</li>
<li>Maintains backward compatibility with the previous JSON feed <a href="https://www.jsonfeed.org/version/1/" rel="nofollow ugc">version 1 spec</a>.</li>
<li>Contains extensive filters to modify the feed responses as necessary.</li>
</ul>

WP-API JSON Feed

Implements JSON feeds following the official JSON feed specification by using the WordPress REST API.

Kevin Brent

If you’re looking for a plugin to make data management and syncing for your WordPress websites easier, you’ve come to the right place. 
Our developer-friendly API supports a variety of data sources, including JSON, XML, CSV, Google Sheets, WordPress and WooCommerce websites. And, you can customize every data field, thanks to action and filter hooks already included in the plugin. You can also manipulate the data with conditional logic, create a single data string from multiple data fields, and much, much, more.
How does it work?
The WP Data Sync API is easy to set up and maintain. Map your data source with the data keys from your website and you are ready to go. If you need help mapping your data source, we have support experts available to help.
Import data into your website from almost any data source. Users, posts, pages, products, or other custom post types. Once the data is set in your website, our API will keep the data up to date with the changes in your data feed. This can all be done without writing a single line of code.
Data Source Types 
☑ JSON 
☑ XML 
☑ CSV 
☑ FTP 
☑ Webhook 
☑ WordPress 
☑ WooCommerce 
☑ Google Sheets 
☑ Google Forms
What if I want to know more?
Here are a variety of links that we’ve found helpful in explaining our plugin and how to get started:
<a href="https://wpdatasync.com/?affid=admin" title="WP Data Sync" rel="nofollow ugc">WP Data Sync</a> 
<a href="https://wpdatasync.com/blog/?affid=admin" title="WP Data Sync Blog" rel="nofollow ugc">WP Data Sync Blog</a> 
<a href="https://wpdatasync.com/documentation-type/getting-started/?affid=admin" title="Developer Documentation - Getting Started" rel="nofollow ugc">Developer Documentation – Getting Started</a> 
<a href="https://wpdatasync.com/documentation-type/actions/?affid=admin" title="Developer Documentation - Actions" rel="nofollow ugc">Developer Documentation – Actions</a> 
<a href="https://wpdatasync.com/documentation-type/filters/?affid=admin" title="Developer Documentation - Filters" rel="nofollow ugc">Developer Documentation – Filters</a>

WP Data Sync

Sync data from almost any data source to your WordPress or WooCommerce website.

WP-API JSON Feed vs WP Data Sync