After cutting off prominent app makers like Tweetbot and Twitterific, Twitter today quietly updated its developer terms to ban third-party clients altogether.
Spotted by Engadget, the “restrictions” section of Twitter’s 5,000-some-word developer agreement was updated with a clause prohibiting “use or access the Licensed Materials to create or attempt to create a substitute or similar service or product to the Twitter Applications.” Earlier this week, Twitter said that it was “enforcing long-standing API rules” in disallowing clients access to its platform but didn’t cite which specific rules developers were violating. Now we know — retroactively.
As Engadget notes, Twitter clients are a part of Twitter history — Twitterific was created before Twitter had a native iOS app of its own. And they’ve gained a larger following in recent years, thanks in part to their lack of ads.
Twitter’s attitude toward third-party clients has long been permissive and even supportive, with the company going