{
  "id": 9687187,
  "title": "Two AI APIs die this weekend: Perplexity Sonar (Sep 27) and Appsmith AI (Sep 30)",
  "url": "https://urgent.news/2026/09/25/two-ai-apis-die-this-weekend-perplexity-sonar-sep-27-and-appsmith-ai",
  "topic": "ai",
  "section": "AI",
  "published": "2026-09-25T03:05:29.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/kashif_manzer/two-ai-apis-die-this-weekend-perplexity-sonar-sep-27-and-appsmith-ai-sep-30-599h"
  },
  "original_language": "en",
  "account": "Two AI APIs will stop working this weekend: Perplexity Sonar on September 27 and Appsmith AI on September 30. Sonar's retirement was announced in a Perplexity blog post on August 13, with the date appearing in the announcement and documentation, but not in the migration guide or changelog. Appsmith will discontinue its Appsmith AI plugin three days later, with existing plugins continuing to work until the deadline. The migration process involves switching to the Agent API for Sonar users, and switching to third-party providers like OpenAI, Anthropic, or Google for Appsmith AI users. Key differences include changes in endpoint paths, billing models, and context windows. Users must manually check their code for references to Sonar and Appsmith AI, and update accordingly.",
  "summary": "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 and a 15-minute triage to find out whether you are exposed. Perplexity Sonar dies Sunday The…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}