20th April 2009 - Link Blog
pubsubhubbub. From Brad Fitzpatrick, a simple but clever way of using web hooks (HTTP callbacks) to inform subscribers that an Atom feed has updated in almost real-time—solving the constant polling problem and making it easier for small sites to offer publish-subscribe APIs. Any Atom feed can delegate subscriber updates to a “hub” server. An example hub server implementation is provided running on App Engine.
Recent articles
- Writing about Agentic Engineering Patterns - 23rd February 2026
- Adding TILs, releases, museums, tools and research to my blog - 20th February 2026
- Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026