1.2 KiB
The WebSub protocol
WebSub (formerly PubSubHubbub) is a standard protocol to instantly receive (push) notifications when some new content is available on a remote server, for instance when a new article is available via RSS / ATOM.
FreshRSS supports WebSub natively. Just like for the FreshRSS API to work from a mobile phone, supporting WebSub requires that your FreshRSS instance is routable (that is to say, with a public IP, that can be accessed from third-party servers).
Examples of feeds
Many individual feeds and platforms already offer instant notifications through WebSub, such as: Friendica instances, WordPress (from WordPress.com or with an extension), Blogger sites, Medium sites, etc.
Test WebSub
You can test that WebSub works properly in your FreshRSS instance with a service such as:
Add WebSub to your RSS / ATOM feeds
Your CMS (e.g. WordPress) might already offer WebSub as an option. Otherwise, you can make a solution that notifies a hub such as: