---
title: "Discussion on \"Why a CORS Preflight OPTIONS Request Returns 401\" | Hashnode"
description: "Discussion on \"Why a CORS Preflight OPTIONS Request Returns 401\". The browser's preflight carries no credentials, so an auth layer that meets it first returns 401."
url: "https://hashnode.com/posts/debugging-cors-preflight-options-returning-401/6af489c8aefff17c11834022"
---

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# [Why a CORS Preflight OPTIONS Request Returns 401](https://blogs.powerduck.com/debugging-cors-preflight-options-returning-401?utm_source=hashnode&utm_medium=feed)

The browser's preflight carries no credentials, so an auth layer that meets it first returns 401.

9h ago · 5 min read · blogs.powerduck.com  
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