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Implementing content explorer Type: 'error', status: 403, code: 'cors_origin_not_whitelisted'

  • May 23, 2025
  • 1 reply
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Using below approach to display the Box content in UI: https://developer.box.com/guides/embed/ui-elements/explorer/

while doing that in Browser i am getting error:

pe: 'error', status: 403, code: 'cors_origin_not_whitelisted', context_info: {…}, help_url: 'http://developers.box.com/docs/#errors', 

 

And on page it displays as: A network error has occurred while trying to load.

 

    1 reply

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    Hi Fazil,

    In the setup of your application, accessed via the developer console, there is an area where you need to specify the CORS address.

    So please check if the server http address from where you access the explorer UI element is included.

    Here is a screenshot of one of my apps for context:

    BOX3_JCjiy9dpI70IlIAagcEBBw.pngLet us know if this helped.

    Best regards

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