# API error 500

**URL:** https://meta.discourse.org/t/topic/401118
**Category:** Support
**Tags:** rest-api, ai
**Created:** [April 21, 2026, 10:13am UTC](https://meta.discourse.org/t/topic/401118 "2026-04-21T10:13:52Z")
**Posts on this page:** 1
**Showing post:** 1

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### Author: ![shixiaochi](https://avatars.discourse-cdn.com/v4/letter/s/839c29/32.png) [@shixiaochi](https://meta.discourse.org/u/shixiaochi)
#### Post date: [April 21, 2026, 10:13am UTC](https://meta.discourse.org/t/topic/401118/1 "2026-04-21T10:13:52Z")

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What are the common causes of a 500 error for the /discourse-ai/embeddings/semantic-search endpoint?

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