Google Reader API
Google Reader is an online feed aggregator with heavy use of JavaScript and pretty quick loading of the latest feed data from around the web. Google's AJAX front-end styles back-end data published in the Atom syndication format. The data technologies powering Google Reader …
Context & Ripple Effects
Niall Kennedy broke the story that Google plans to open a feed reader API in early 2006, letting third-party developers build new views of feed data on Google Reader's backend — complete with synchronization, tagging, and read/unread status support. The service already runs an AJAX front-end over Atom-formatted data fetched quickly from around the web, so the API formalizes an architecture that was previously internal plumbing.
The move lands a week after Google launched Google Base, its free database for structured listings, making this a second consecutive December data-layer play: Base opens structured listings, the Reader API opens syndicated feeds. Both arrive while Google's bolstered AOL relationship is being weighed against the rumored Microsoft-Yahoo alignment in the press.
First-order effects
- Third-party developers gain sanctioned access to Google Reader's feed backend — sync, tagging, and read-state included — turning a single consumer aggregator into a platform others can build clients and views against.
- Google shifts Reader from closed product to developer surface at no infrastructure cost, since every third-party view still runs on Google's own feed fetching and storage.
Second-order effects
- Rival web-based feed aggregators face pressure to expose comparable APIs or risk becoming dumb front-ends to someone else's synchronized read-state — the lock-in moves from the interface to the backend.
- Feed publishers get new distribution surfaces beyond any single reader UI, reinforcing the Atom/RSS format itself as application infrastructure rather than a subscription convenience.
Third-order effects
- If the pattern holds alongside Google Base, Google is assembling a position as the default backend for structured and syndicated web data — with third parties competing on presentation while the canonical store sits on Google's servers.
- A successful early-2006 feed API would normalize the model of consumer web services launching with public APIs on day-one roadmaps, raising developer expectations for every aggregator that follows.
The trend: Consumer web applications are opening programmatic APIs so third parties build on their data backends, shifting competitive value from the user interface to who hosts the canonical data.