# Deep Research API

**URL:** <https://community.perplexity.ai/t/deep-research-api/3434>\
**Category:** General\
**Created:** [January 9, 2026, 8:38am UTC](https://community.perplexity.ai/t/deep-research-api/3434 "2026-01-09T08:38:59Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![mopaul](https://sea1.discourse-cdn.com/flex001/user_avatar/community.perplexity.ai/mopaul/32/1222_2.png) [@mopaul](https://community.perplexity.ai/u/mopaul)\
**Post date:** [January 9, 2026, 8:39am UTC](https://community.perplexity.ai/t/deep-research-api/3434/1 "2026-01-09T08:39:00Z")

</div>

It stopped showing a thought process - it has the tag but no tag and also just no thought process, just the actual response. Has this happened to anyone before?