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1 vote

Problem :

I keep on facing the below 403 error while performing the AJAX call to the API.

“403 forbidden: the server understood the request, but is refusing to fulfill it.”

Above error occurs usually in Microsoft Edge, but does not come up in IE, Chrome, Firefox or the Safari.

My page does not use the bootstrap, as I know that it can be caused by a page not been able to locate a .LESS files required. Also I have even tried to include the bootstrap to see if that resolved my issue – but it did not.

I am unable to find anything related by doing research on this. My code is exactly the same across all the various browsers and also the response/request headers match to one another - So is it the case that the POST request is sending the incorrect?

6 5 3
7,540 points

1 Answer

0 votes

Solution :

I had the same issue and tried all the solutions which I knew, and neither of them worked actually after long research I found the solution for the error as below:

Please include the credentials in the options as shown in below code snippet.


var dummyurl = 'https://dummy_url/_api/lists'
var myoptions = {
    headers: {"Accept": "application/json; odata=verbose"},
    credentials: 'include'

fetch(dummyurl, myoptions).then( 
    res => res.json().then(json => console.dir(json)) 


This works flawlessly for me.

9 7 4
38,600 points

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