# Custom request blocked by cors issue

**URL:** <https://community.yeeflow.com/t/custom-request-blocked-by-cors-issue/270>\
**Category:** Ask the community\
**Created:** [May 6, 2024, 8:46am UTC](https://community.yeeflow.com/t/custom-request-blocked-by-cors-issue/270 "2024-05-06T08:46:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Siu\_Eric](https://yyz2.discourse-cdn.com/flex032/user_avatar/community.yeeflow.com/siu_eric/32/357_2.png) [@Siu\_Eric](https://community.yeeflow.com/u/Siu_Eric)\
**Post date:** [May 6, 2024, 8:46am UTC](https://community.yeeflow.com/t/custom-request-blocked-by-cors-issue/270/1 "2024-05-06T08:46:38Z")

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I am using custom code to post external request but it is blocked by cors issue. Not sure if there is setting in yeeflow that needs to be customised

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**Author:** ![frank](https://avatars.discourse-cdn.com/v4/letter/f/3d9bf3/32.png) [@frank](https://community.yeeflow.com/u/frank)\
**Post date:** [May 8, 2024, 1:28am UTC](https://community.yeeflow.com/t/custom-request-blocked-by-cors-issue/270/2 "2024-05-08T01:28:40Z")

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Hi Eric, the CORS is a policy setting on web server. You need to configure your service end point to allow CORS request from [yeeflow.com](http://yeeflow.com).

Here’s a reference for you.

> **[Cross-Origin Resource Sharing (CORS) - HTTP | MDN](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS)**
>
> Cross-Origin Resource Sharing (CORS) is an HTTP-header based mechanism that allows a server to indicate any origins (domain, scheme, or port) other than its own from which a browser should permit loading resources. CORS also relies on a mechanism by...