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Twitter Cut Off the Third-Party Apps That Built Its Developer Ecosystem in January 2023 With No Warning. One of Those Apps Coined the Word Tweet and Designed Twitter's Bird Logo Before Twitter Had Either.

The Complaints Department

The Complaints Department

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Twitter Cut Off the Third-Party Apps That Built Its Developer Ecosystem in January 2023 With No Warning. One of Those Apps Coined the Word Tweet and Designed Twitter's Bird Logo Before Twitter Had Either.
Photo by Joshua Hoehne / Unsplash

On January 13, 2023, Twitter's API went dark for third-party client apps with no announcement and no explanation. Tweetbot, Twitterrific, Fenix, and others simply stopped working, all at once, for everyone. Developers spent days guessing whether it was a bug, an outage, or deliberate. Four days later, @TwitterDev tweeted that the company was "enforcing its long-standing API rules" — without naming a single rule that had been broken.

The rule, it turned out, hadn't existed yet. On January 19 and 20, Twitter quietly rewrote its Developer Agreement to explicitly ban apps that "create or attempt to create a substitute" for the official Twitter app, then pulled Twitterrific and Tweetbot from the App Store under the policy it had just written. Two weeks later, Twitter announced that the remaining free API tier would end entirely, replaced by paid access starting at $100 a month and running into the tens of thousands.

The Shutdown

The sequence ran fast and gave developers nothing to work with. First the apps broke, with no notice. Then a vague statement about "long-standing rules." Then a retroactive policy change to justify what had already happened. Then, on February 2, the business terms: free API access would end February 9, replaced by a Basic tier at $100/month and Enterprise tiers reported to start around $42,000/month. What free access remained was cut down to write-only, minimal-read scraps — enough to post, not enough to build a client on.

Twelve Years, Gone in a Week

Tapbots' shutdown notice for Tweetbot read: "We've been proud to serve you over the last 12+ years, but due to circumstances beyond our control, we have to shut down Tweetbot." Tweetbot reportedly accounted for around 90% of Tapbots' revenue. Craig Hockenberry of The Iconfactory, maker of Twitterrific, put it more bluntly, criticizing "the lack of respect that they showed us and basically everybody else in the developer ecosystem."

The App That Named the Product

Twitterrific launched on January 15, 2007 — one of the very first Twitter clients that existed, built more than a year before Twitter shipped its own official iPhone app, and it launched for iPhone alongside the App Store itself on July 10, 2008. Hockenberry originally called posts "twits" in Twitterrific. In January 2007, Twitter engineer Blaine Cook suggested "tweet" instead; Hockenberry adopted it the next day, a full year before Twitter itself started using the word officially. Twitterrific also originated the bird icon, which Twitter adopted as its own logo in 2010, and the character counter that became a defining feature of the product.

Not the First Time

This wasn't a one-off. Back in 2012 and 2013, Twitter's API v1.1 overhaul — announced by platform lead Michael Sippey — imposed a 100,000-user-token ceiling on client apps along with new display and authentication rules. At the time, developers already read it as a deliberate move to squeeze third-party clients out in favor of Twitter's own app. The 2023 shutdown wasn't a new strategy. It was the same one, finished a decade later.

Twitterrific didn't just build on Twitter's API before Twitter had one worth building on — it handed Twitter the word "tweet" and the bird logo before Twitter had either. A decade after first trying to route around the developer who helped define what the product even was, Twitter finished the job on its most formative client with the same tools: a sudden lockout, a citation of unnamed rules, and no conversation at all.

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