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Two AI APIs die this weekend: Perplexity Sonar (Sep 27) and Appsmith AI (Sep 30)

This story is from 2026-09-25. It is preserved in the archive; the latest stories are on the live feed.

Two AI APIs Die This Weekend: Perplexity Sonar (Sep 27) and Appsmith AI (Sep 30) Perplexity retires the Sonar API on September 27, 2026. Appsmith shuts down its managed Appsmith AI plugin on September 30. If you touch either one, this is your last week. Here is the fast version of what is happening…

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  1. 2026-09-25 03:05 · DEV Community — AI
    Two AI APIs die this weekend: Perplexity Sonar (Sep 27) and Appsmith AI (Sep 30)

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