---
title: "Discussion on \"How to troubleshoot the CORS error in Requestly?\" | Hashnode"
description: "Discussion on \"How to troubleshoot the CORS error in Requestly?\". CORS, or cross-origin resource sharing, happens when an endpoint being served from domain-A.com is requested from another domain-B.com.\nThe server hosting the endpoint at domain-A.com  first reads the Origin header sent from the browser, which tells ..."
url: "https://hashnode.com/posts/how-to-troubleshoot-the-cors-error-in-requestly/64ad585a304d1668180e4c75"
---

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# [How to troubleshoot the CORS error in Requestly?](https://requestly.hashnode.dev/how-to-troubleshoot-the-cors-error-in-requestly?utm_source=hashnode&utm_medium=feed)

CORS, or cross-origin resource sharing, happens when an endpoint being served from domain-A.com is requested from another domain-B.com. The server hosting the endpoint at domain-A.com first reads the Origin header sent from the browser, which tells ...

Jul 11, 2023 · 3 min read · requestly.hashnode.dev  
Updated Mar 18, 2024  
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-   [#developer](https://hashnode.com/tag/developer)
-   [#developer-tools](https://hashnode.com/tag/developer-tools)
-   [#cross-origin-resource-sharing](https://hashnode.com/tag/cross-origin-resource-sharing)
-   [#frontend-development](https://hashnode.com/tag/frontend-development)
-   [#debugging](https://hashnode.com/tag/debugging)

## Written by

[Yuvan Arvind](https://hashnode.com/@yuvanarvind)

@yuvanarvind

  
[View profile](https://hashnode.com/@yuvanarvind)

Product & Growth at Requestly (YC W22)

Product & Growth at Requestly (YC W22)

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