How I Caught and Fixed an N+1 Query in My Django REST API

· Vicente G. Reyes · May 23, 2026, 12:03 p.m.
Summary
This blog post by Vicente G. Reyes discusses the N+1 query problem in Django REST APIs, detailing how it affects performance and providing a clear fix using `select_related` and `prefetch_related`. The author shares personal experiences from debugging an endpoint, demonstrates the offending code, and explains how to avoid future N+1 issues during development and code reviews.
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