This extension provides a TTRSS-compliant API. It means with this extension you can use applications made for TTRSS initially.
Note the API is NOT FULLY SUPPORTED YET!
Please be sure to enable API in the configuration and set an API password on your profile.
URL to use is something like http://rss.example.com/api/ttrss.php or http://example.com/freshrss/p/api/ttrss.php.
To use it, upload this directory in your ./extensions directory and enable it on the extension panel in FreshRSS.